[PATCH 05/26] Security: Change current->fs[ug]id to current_fs[ug]id()

From: David Howells
Date: Tue Jan 15 2008 - 18:50:00 EST

Change current->fs[ug]id to current_fs[ug]id() so that fsgid and fsuid can be
separated from the task_struct.

Signed-off-by: David Howells <dhowells@xxxxxxxxxx>
---

arch/ia64/kernel/perfmon.c | 4 ++--
arch/powerpc/platforms/cell/spufs/inode.c | 4 ++--
drivers/isdn/capi/capifs.c | 4 ++--
drivers/usb/core/inode.c | 4 ++--
fs/9p/fid.c | 2 +-
fs/9p/vfs_inode.c | 4 ++--
fs/9p/vfs_super.c | 4 ++--
fs/affs/inode.c | 4 ++--
fs/anon_inodes.c | 4 ++--
fs/attr.c | 4 ++--
fs/bfs/dir.c | 4 ++--
fs/cifs/cifsproto.h | 2 +-
fs/cifs/dir.c | 12 ++++++------
fs/cifs/inode.c | 8 ++++----
fs/cifs/misc.c | 4 ++--
fs/coda/cache.c | 6 +++---
fs/coda/upcall.c | 4 ++--
fs/devpts/inode.c | 4 ++--
fs/dquot.c | 2 +-
fs/exec.c | 4 ++--
fs/ext2/balloc.c | 2 +-
fs/ext2/ialloc.c | 4 ++--
fs/ext2/ioctl.c | 2 +-
fs/ext3/balloc.c | 2 +-
fs/ext3/ialloc.c | 4 ++--
fs/ext4/balloc.c | 2 +-
fs/ext4/ialloc.c | 4 ++--
fs/fuse/dev.c | 4 ++--
fs/gfs2/inode.c | 10 +++++-----
fs/hfs/inode.c | 4 ++--
fs/hfsplus/inode.c | 4 ++--
fs/hpfs/namei.c | 24 ++++++++++++------------
fs/hugetlbfs/inode.c | 16 ++++++++--------
fs/jffs2/fs.c | 4 ++--
fs/jfs/jfs_inode.c | 4 ++--
fs/locks.c | 2 +-
fs/minix/bitmap.c | 4 ++--
fs/namei.c | 8 ++++----
fs/nfsd/vfs.c | 4 ++--
fs/ocfs2/dlm/dlmfs.c | 8 ++++----
fs/ocfs2/namei.c | 4 ++--
fs/pipe.c | 4 ++--
fs/posix_acl.c | 4 ++--
fs/ramfs/inode.c | 4 ++--
fs/reiserfs/namei.c | 4 ++--
fs/sysv/ialloc.c | 4 ++--
fs/udf/ialloc.c | 4 ++--
fs/udf/namei.c | 2 +-
fs/ufs/ialloc.c | 4 ++--
fs/xfs/linux-2.6/xfs_linux.h | 4 ++--
fs/xfs/xfs_acl.c | 6 +++---
fs/xfs/xfs_attr.c | 2 +-
fs/xfs/xfs_inode.c | 6 +++---
fs/xfs/xfs_vnodeops.c | 8 ++++----
include/linux/fs.h | 2 +-
include/linux/sched.h | 3 +++
ipc/mqueue.c | 4 ++--
kernel/cgroup.c | 4 ++--
mm/shmem.c | 8 ++++----
net/9p/client.c | 2 +-
net/socket.c | 4 ++--
net/sunrpc/auth.c | 8 ++++----
security/commoncap.c | 8 ++++----
security/keys/key.c | 2 +-
security/keys/keyctl.c | 2 +-
security/keys/request_key.c | 10 +++++-----
security/keys/request_key_auth.c | 2 +-
67 files changed, 163 insertions(+), 160 deletions(-)


diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index 73e7c2e..ef383d9 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -2206,8 +2206,8 @@ pfm_alloc_fd(struct file **cfile)
DPRINT(("new inode ino=%ld @%p\n", inode->i_ino, inode));

inode->i_mode = S_IFCHR|S_IRUGO;
- inode->i_uid = current->fsuid;
- inode->i_gid = current->fsgid;
+ inode->i_uid = current_fsuid();
+ inode->i_gid = current_fsgid();

sprintf(name, "[%lu]", inode->i_ino);
this.name = name;
diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c
index c0e968a..4efe7bf 100644
--- a/arch/powerpc/platforms/cell/spufs/inode.c
+++ b/arch/powerpc/platforms/cell/spufs/inode.c
@@ -85,8 +85,8 @@ spufs_new_inode(struct super_block *sb, int mode)
goto out;

inode->i_mode = mode;
- inode->i_uid = current->fsuid;
- inode->i_gid = current->fsgid;
+ inode->i_uid = current_fsuid();
+ inode->i_gid = current_fsgid();
inode->i_blocks = 0;
inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
out:
diff --git a/drivers/isdn/capi/capifs.c b/drivers/isdn/capi/capifs.c
index 2dd1b57..26b9aea 100644
--- a/drivers/isdn/capi/capifs.c
+++ b/drivers/isdn/capi/capifs.c
@@ -148,8 +148,8 @@ void capifs_new_ncci(unsigned int number, dev_t device)
if (!inode)
return;
inode->i_ino = number+2;
- inode->i_uid = config.setuid ? config.uid : current->fsuid;
- inode->i_gid = config.setgid ? config.gid : current->fsgid;
+ inode->i_uid = config.setuid ? config.uid : current_fsuid();
+ inode->i_gid = config.setgid ? config.gid : current_fsgid();
inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
init_special_inode(inode, S_IFCHR|config.mode, device);
//inode->i_op = &capifs_file_inode_operations;
diff --git a/drivers/usb/core/inode.c b/drivers/usb/core/inode.c
index cd4f111..9173eae 100644
--- a/drivers/usb/core/inode.c
+++ b/drivers/usb/core/inode.c
@@ -246,8 +246,8 @@ static struct inode *usbfs_get_inode (struct super_block *sb, int mode, dev_t de

if (inode) {
inode->i_mode = mode;
- inode->i_uid = current->fsuid;
- inode->i_gid = current->fsgid;
+ inode->i_uid = current_fsuid();
+ inode->i_gid = current_fsgid();
inode->i_blocks = 0;
inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
switch (mode & S_IFMT) {
diff --git a/fs/9p/fid.c b/fs/9p/fid.c
index b364da7..cd7799c 100644
--- a/fs/9p/fid.c
+++ b/fs/9p/fid.c
@@ -121,7 +121,7 @@ struct p9_fid *v9fs_fid_lookup(struct dentry *dentry)
switch (access) {
case V9FS_ACCESS_SINGLE:
case V9FS_ACCESS_USER:
- uid = current->fsuid;
+ uid = current_fsuid();
any = 0;
break;

diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index 23581bc..b6d7fc9 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -202,8 +202,8 @@ struct inode *v9fs_get_inode(struct super_block *sb, int mode)
inode = new_inode(sb);
if (inode) {
inode->i_mode = mode;
- inode->i_uid = current->fsuid;
- inode->i_gid = current->fsgid;
+ inode->i_uid = current_fsuid();
+ inode->i_gid = current_fsgid();
inode->i_blocks = 0;
inode->i_rdev = 0;
inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c
index 678c02f..465520d 100644
--- a/fs/9p/vfs_super.c
+++ b/fs/9p/vfs_super.c
@@ -112,8 +112,8 @@ static int v9fs_get_sb(struct file_system_type *fs_type, int flags,
struct v9fs_session_info *v9ses = NULL;
struct p9_stat *st = NULL;
int mode = S_IRWXUGO | S_ISVTX;
- uid_t uid = current->fsuid;
- gid_t gid = current->fsgid;
+ uid_t uid = current_fsuid();
+ gid_t gid = current_fsgid();
struct p9_fid *fid;
int retval = 0;

diff --git a/fs/affs/inode.c b/fs/affs/inode.c
index 4609a6c..fb84ebc 100644
--- a/fs/affs/inode.c
+++ b/fs/affs/inode.c
@@ -305,8 +305,8 @@ affs_new_inode(struct inode *dir)
mark_buffer_dirty_inode(bh, inode);
affs_brelse(bh);

- inode->i_uid = current->fsuid;
- inode->i_gid = current->fsgid;
+ inode->i_uid = current_fsuid();
+ inode->i_gid = current_fsgid();
inode->i_ino = block;
inode->i_nlink = 1;
inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC;
diff --git a/fs/anon_inodes.c b/fs/anon_inodes.c
index 2332188..a2f6a13 100644
--- a/fs/anon_inodes.c
+++ b/fs/anon_inodes.c
@@ -162,8 +162,8 @@ static struct inode *anon_inode_mkinode(void)
*/
inode->i_state = I_DIRTY;
inode->i_mode = S_IRUSR | S_IWUSR;
- inode->i_uid = current->fsuid;
- inode->i_gid = current->fsgid;
+ inode->i_uid = current_fsuid();
+ inode->i_gid = current_fsgid();
inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
return inode;
}
diff --git a/fs/attr.c b/fs/attr.c
index 966b73e..117cca7 100644
--- a/fs/attr.c
+++ b/fs/attr.c
@@ -29,13 +29,13 @@ int inode_change_ok(struct inode *inode, struct iattr *attr)

/* Make sure a caller can chown. */
if ((ia_valid & ATTR_UID) &&
- (current->fsuid != inode->i_uid ||
+ (current_fsuid() != inode->i_uid ||
attr->ia_uid != inode->i_uid) && !capable(CAP_CHOWN))
goto error;

/* Make sure caller can chgrp. */
if ((ia_valid & ATTR_GID) &&
- (current->fsuid != inode->i_uid ||
+ (current_fsuid() != inode->i_uid ||
(!in_group_p(attr->ia_gid) && attr->ia_gid != inode->i_gid)) &&
!capable(CAP_CHOWN))
goto error;
diff --git a/fs/bfs/dir.c b/fs/bfs/dir.c
index 1fd056d..499c531 100644
--- a/fs/bfs/dir.c
+++ b/fs/bfs/dir.c
@@ -104,8 +104,8 @@ static int bfs_create(struct inode *dir, struct dentry *dentry, int mode,
}
set_bit(ino, info->si_imap);
info->si_freei--;
- inode->i_uid = current->fsuid;
- inode->i_gid = (dir->i_mode & S_ISGID) ? dir->i_gid : current->fsgid;
+ inode->i_uid = current_fsuid();
+ inode->i_gid = (dir->i_mode & S_ISGID) ? dir->i_gid : current_fsgid();
inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC;
inode->i_blocks = 0;
inode->i_op = &bfs_file_inops;
diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h
index 8350eec..1c659db 100644
--- a/fs/cifs/cifsproto.h
+++ b/fs/cifs/cifsproto.h
@@ -39,7 +39,7 @@ extern int smb_send(struct socket *, struct smb_hdr *,
unsigned int /* length */ , struct sockaddr *);
extern unsigned int _GetXid(void);
extern void _FreeXid(unsigned int);
-#define GetXid() (int)_GetXid(); cFYI(1,("CIFS VFS: in %s as Xid: %d with uid: %d",__FUNCTION__, xid,current->fsuid));
+#define GetXid() (int)_GetXid(); cFYI(1,("CIFS VFS: in %s as Xid: %d with uid: %d",__FUNCTION__, xid,current_fsuid()));
#define FreeXid(curr_xid) {_FreeXid(curr_xid); cFYI(1,("CIFS VFS: leaving %s (xid = %d) rc = %d",__FUNCTION__,curr_xid,(int)rc));}
extern char *build_path_from_dentry(struct dentry *);
extern char *build_wildcard_path_from_dentry(struct dentry *direntry);
diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c
index 37dc97a..728726a 100644
--- a/fs/cifs/dir.c
+++ b/fs/cifs/dir.c
@@ -211,8 +211,8 @@ cifs_create(struct inode *inode, struct dentry *direntry, int mode,
mode &= ~current->fs->umask;
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SET_UID) {
CIFSSMBUnixSetPerms(xid, pTcon, full_path, mode,
- (__u64)current->fsuid,
- (__u64)current->fsgid,
+ (__u64)current_fsuid(),
+ (__u64)current_fsgid(),
0 /* dev */,
cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags &
@@ -246,8 +246,8 @@ cifs_create(struct inode *inode, struct dentry *direntry, int mode,
if ((oplock & CIFS_CREATE_ACTION) &&
(cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_SET_UID)) {
- newinode->i_uid = current->fsuid;
- newinode->i_gid = current->fsgid;
+ newinode->i_uid = current_fsuid();
+ newinode->i_gid = current_fsgid();
}
}
}
@@ -340,8 +340,8 @@ int cifs_mknod(struct inode *inode, struct dentry *direntry, int mode,
mode &= ~current->fs->umask;
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SET_UID) {
rc = CIFSSMBUnixSetPerms(xid, pTcon, full_path,
- mode, (__u64)current->fsuid,
- (__u64)current->fsgid,
+ mode, (__u64)current_fsuid(),
+ (__u64)current_fsgid(),
device_number, cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index e915eb1..8040b1b 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -1031,8 +1031,8 @@ mkdir_get_info:
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SET_UID) {
CIFSSMBUnixSetPerms(xid, pTcon, full_path,
mode,
- (__u64)current->fsuid,
- (__u64)current->fsgid,
+ (__u64)current_fsuid(),
+ (__u64)current_fsgid(),
0 /* dev_t */,
cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags &
@@ -1055,9 +1055,9 @@ mkdir_get_info:
if (cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_SET_UID) {
direntry->d_inode->i_uid =
- current->fsuid;
+ current_fsuid();
direntry->d_inode->i_gid =
- current->fsgid;
+ current_fsgid();
}
}
}
diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c
index 15546c2..b862231 100644
--- a/fs/cifs/misc.c
+++ b/fs/cifs/misc.c
@@ -351,13 +351,13 @@ header_assemble(struct smb_hdr *buffer, char smb_command /* command */ ,
/* BB Add support for establishing new tCon and SMB Session */
/* with userid/password pairs found on the smb session */
/* for other target tcp/ip addresses BB */
- if (current->fsuid != treeCon->ses->linux_uid) {
+ if (current_fsuid() != treeCon->ses->linux_uid) {
cFYI(1, ("Multiuser mode and UID "
"did not match tcon uid"));
read_lock(&GlobalSMBSeslock);
list_for_each(temp_item, &GlobalSMBSessionList) {
ses = list_entry(temp_item, struct cifsSesInfo, cifsSessionList);
- if (ses->linux_uid == current->fsuid) {
+ if (ses->linux_uid == current_fsuid()) {
if (ses->server == treeCon->ses->server) {
cFYI(1, ("found matching uid substitute right smb_uid"));
buffer->Uid = ses->Suid;
diff --git a/fs/coda/cache.c b/fs/coda/cache.c
index 8a23703..a5bf577 100644
--- a/fs/coda/cache.c
+++ b/fs/coda/cache.c
@@ -32,8 +32,8 @@ void coda_cache_enter(struct inode *inode, int mask)
struct coda_inode_info *cii = ITOC(inode);

cii->c_cached_epoch = atomic_read(&permission_epoch);
- if (cii->c_uid != current->fsuid) {
- cii->c_uid = current->fsuid;
+ if (cii->c_uid != current_fsuid()) {
+ cii->c_uid = current_fsuid();
cii->c_cached_perm = mask;
} else
cii->c_cached_perm |= mask;
@@ -60,7 +60,7 @@ int coda_cache_check(struct inode *inode, int mask)
int hit;

hit = (mask & cii->c_cached_perm) == mask &&
- cii->c_uid == current->fsuid &&
+ cii->c_uid == current_fsuid() &&
cii->c_cached_epoch == atomic_read(&permission_epoch);

return hit;
diff --git a/fs/coda/upcall.c b/fs/coda/upcall.c
index 359e531..806e6aa 100644
--- a/fs/coda/upcall.c
+++ b/fs/coda/upcall.c
@@ -54,9 +54,9 @@ static void *alloc_upcall(int opcode, int size)
inp->ih.pgid = task_pgrp_nr(current);
#ifdef CONFIG_CODA_FS_OLD_API
memset(&inp->ih.cred, 0, sizeof(struct coda_cred));
- inp->ih.cred.cr_fsuid = current->fsuid;
+ inp->ih.cred.cr_fsuid = current_fsuid();
#else
- inp->ih.uid = current->fsuid;
+ inp->ih.uid = current_fsuid();
#endif
return (void*)inp;
}
diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c
index 06ef9a2..1c9ffd9 100644
--- a/fs/devpts/inode.c
+++ b/fs/devpts/inode.c
@@ -172,8 +172,8 @@ int devpts_pty_new(struct tty_struct *tty)
return -ENOMEM;

inode->i_ino = number+2;
- inode->i_uid = config.setuid ? config.uid : current->fsuid;
- inode->i_gid = config.setgid ? config.gid : current->fsgid;
+ inode->i_uid = config.setuid ? config.uid : current_fsuid();
+ inode->i_gid = config.setgid ? config.gid : current_fsgid();
inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
init_special_inode(inode, S_IFCHR|config.mode, device);
inode->i_private = tty;
diff --git a/fs/dquot.c b/fs/dquot.c
index cee7c6f..eb4f9f1 100644
--- a/fs/dquot.c
+++ b/fs/dquot.c
@@ -849,7 +849,7 @@ static inline int need_print_warning(struct dquot *dquot)

switch (dquot->dq_type) {
case USRQUOTA:
- return current->fsuid == dquot->dq_id;
+ return current_fsuid() == dquot->dq_id;
case GRPQUOTA:
return in_group_p(dquot->dq_id);
}
diff --git a/fs/exec.c b/fs/exec.c
index 282240a..a09ce1b 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -1678,7 +1678,7 @@ int do_coredump(long signr, int exit_code, struct pt_regs * regs)
struct inode * inode;
struct file * file;
int retval = 0;
- int fsuid = current->fsuid;
+ int fsuid = current_fsuid();
int flag = 0;
int ispipe = 0;
unsigned long core_limit = current->signal->rlim[RLIMIT_CORE].rlim_cur;
@@ -1784,7 +1784,7 @@ int do_coredump(long signr, int exit_code, struct pt_regs * regs)
* Dont allow local users get cute and trick others to coredump
* into their pre-created files:
*/
- if (inode->i_uid != current->fsuid)
+ if (inode->i_uid != current_fsuid())
goto close_fail;
if (!file->f_op)
goto close_fail;
diff --git a/fs/ext2/balloc.c b/fs/ext2/balloc.c
index 377ad17..bbddd14 100644
--- a/fs/ext2/balloc.c
+++ b/fs/ext2/balloc.c
@@ -1128,7 +1128,7 @@ static int ext2_has_free_blocks(struct ext2_sb_info *sbi)
free_blocks = percpu_counter_read_positive(&sbi->s_freeblocks_counter);
root_blocks = le32_to_cpu(sbi->s_es->s_r_blocks_count);
if (free_blocks < root_blocks + 1 && !capable(CAP_SYS_RESOURCE) &&
- sbi->s_resuid != current->fsuid &&
+ sbi->s_resuid != current_fsuid() &&
(sbi->s_resgid == 0 || !in_group_p (sbi->s_resgid))) {
return 0;
}
diff --git a/fs/ext2/ialloc.c b/fs/ext2/ialloc.c
index 5deb8b7..1d020a9 100644
--- a/fs/ext2/ialloc.c
+++ b/fs/ext2/ialloc.c
@@ -554,7 +554,7 @@ got:

sb->s_dirt = 1;
mark_buffer_dirty(bh2);
- inode->i_uid = current->fsuid;
+ inode->i_uid = current_fsuid();
if (test_opt (sb, GRPID))
inode->i_gid = dir->i_gid;
else if (dir->i_mode & S_ISGID) {
@@ -562,7 +562,7 @@ got:
if (S_ISDIR(mode))
mode |= S_ISGID;
} else
- inode->i_gid = current->fsgid;
+ inode->i_gid = current_fsgid();
inode->i_mode = mode;

inode->i_ino = ino;
diff --git a/fs/ext2/ioctl.c b/fs/ext2/ioctl.c
index 320b2cb..f5fdb95 100644
--- a/fs/ext2/ioctl.c
+++ b/fs/ext2/ioctl.c
@@ -105,7 +105,7 @@ int ext2_ioctl (struct inode * inode, struct file * filp, unsigned int cmd,
if (IS_RDONLY(inode))
return -EROFS;

- if ((current->fsuid != inode->i_uid) && !capable(CAP_FOWNER))
+ if ((current_fsuid() != inode->i_uid) && !capable(CAP_FOWNER))
return -EACCES;

if (get_user(rsv_window_size, (int __user *)arg))
diff --git a/fs/ext3/balloc.c b/fs/ext3/balloc.c
index a8ba7e8..55e39a3 100644
--- a/fs/ext3/balloc.c
+++ b/fs/ext3/balloc.c
@@ -1360,7 +1360,7 @@ static int ext3_has_free_blocks(struct ext3_sb_info *sbi)
free_blocks = percpu_counter_read_positive(&sbi->s_freeblocks_counter);
root_blocks = le32_to_cpu(sbi->s_es->s_r_blocks_count);
if (free_blocks < root_blocks + 1 && !capable(CAP_SYS_RESOURCE) &&
- sbi->s_resuid != current->fsuid &&
+ sbi->s_resuid != current_fsuid() &&
(sbi->s_resgid == 0 || !in_group_p (sbi->s_resgid))) {
return 0;
}
diff --git a/fs/ext3/ialloc.c b/fs/ext3/ialloc.c
index 1bc8cd8..fe20718 100644
--- a/fs/ext3/ialloc.c
+++ b/fs/ext3/ialloc.c
@@ -543,7 +543,7 @@ got:
percpu_counter_inc(&sbi->s_dirs_counter);
sb->s_dirt = 1;

- inode->i_uid = current->fsuid;
+ inode->i_uid = current_fsuid();
if (test_opt (sb, GRPID))
inode->i_gid = dir->i_gid;
else if (dir->i_mode & S_ISGID) {
@@ -551,7 +551,7 @@ got:
if (S_ISDIR(mode))
mode |= S_ISGID;
} else
- inode->i_gid = current->fsgid;
+ inode->i_gid = current_fsgid();
inode->i_mode = mode;

inode->i_ino = ino;
diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
index 71ee95e..a67d6bc 100644
--- a/fs/ext4/balloc.c
+++ b/fs/ext4/balloc.c
@@ -1480,7 +1480,7 @@ static int ext4_has_free_blocks(struct ext4_sb_info *sbi)
free_blocks = percpu_counter_read_positive(&sbi->s_freeblocks_counter);
root_blocks = ext4_r_blocks_count(sbi->s_es);
if (free_blocks < root_blocks + 1 && !capable(CAP_SYS_RESOURCE) &&
- sbi->s_resuid != current->fsuid &&
+ sbi->s_resuid != current_fsuid() &&
(sbi->s_resgid == 0 || !in_group_p (sbi->s_resgid))) {
return 0;
}
diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index c61f37f..37e95d2 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -674,7 +674,7 @@ got:
percpu_counter_inc(&sbi->s_dirs_counter);
sb->s_dirt = 1;

- inode->i_uid = current->fsuid;
+ inode->i_uid = current_fsuid();
if (test_opt (sb, GRPID))
inode->i_gid = dir->i_gid;
else if (dir->i_mode & S_ISGID) {
@@ -682,7 +682,7 @@ got:
if (S_ISDIR(mode))
mode |= S_ISGID;
} else
- inode->i_gid = current->fsgid;
+ inode->i_gid = current_fsgid();
inode->i_mode = mode;

inode->i_ino = ino + group * EXT4_INODES_PER_GROUP(sb);
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index db534bc..471a256 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -79,8 +79,8 @@ static void __fuse_put_request(struct fuse_req *req)

static void fuse_req_init_context(struct fuse_req *req)
{
- req->in.h.uid = current->fsuid;
- req->in.h.gid = current->fsgid;
+ req->in.h.uid = current_fsuid();
+ req->in.h.gid = current_fsgid();
req->in.h.pid = current->pid;
}

diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index 5f6dc32..7719132 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -688,18 +688,18 @@ static void munge_mode_uid_gid(struct gfs2_inode *dip, unsigned int *mode,
(dip->i_inode.i_mode & S_ISUID) && dip->i_inode.i_uid) {
if (S_ISDIR(*mode))
*mode |= S_ISUID;
- else if (dip->i_inode.i_uid != current->fsuid)
+ else if (dip->i_inode.i_uid != current_fsuid())
*mode &= ~07111;
*uid = dip->i_inode.i_uid;
} else
- *uid = current->fsuid;
+ *uid = current_fsuid();

if (dip->i_inode.i_mode & S_ISGID) {
if (S_ISDIR(*mode))
*mode |= S_ISGID;
*gid = dip->i_inode.i_gid;
} else
- *gid = current->fsgid;
+ *gid = current_fsgid();
}

static int alloc_dinode(struct gfs2_inode *dip, u64 *no_addr, u64 *generation)
@@ -1108,8 +1108,8 @@ int gfs2_unlink_ok(struct gfs2_inode *dip, const struct qstr *name,
return -EPERM;

if ((dip->i_inode.i_mode & S_ISVTX) &&
- dip->i_inode.i_uid != current->fsuid &&
- ip->i_inode.i_uid != current->fsuid && !capable(CAP_FOWNER))
+ dip->i_inode.i_uid != current_fsuid() &&
+ ip->i_inode.i_uid != current_fsuid() && !capable(CAP_FOWNER))
return -EPERM;

if (IS_APPEND(&dip->i_inode))
diff --git a/fs/hfs/inode.c b/fs/hfs/inode.c
index 97f8446..29caee5 100644
--- a/fs/hfs/inode.c
+++ b/fs/hfs/inode.c
@@ -155,8 +155,8 @@ struct inode *hfs_new_inode(struct inode *dir, struct qstr *name, int mode)
hfs_cat_build_key(sb, (btree_key *)&HFS_I(inode)->cat_key, dir->i_ino, name);
inode->i_ino = HFS_SB(sb)->next_id++;
inode->i_mode = mode;
- inode->i_uid = current->fsuid;
- inode->i_gid = current->fsgid;
+ inode->i_uid = current_fsuid();
+ inode->i_gid = current_fsgid();
inode->i_nlink = 1;
inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC;
HFS_I(inode)->flags = 0;
diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c
index 37744cf..af54c28 100644
--- a/fs/hfsplus/inode.c
+++ b/fs/hfsplus/inode.c
@@ -312,8 +312,8 @@ struct inode *hfsplus_new_inode(struct super_block *sb, int mode)

inode->i_ino = HFSPLUS_SB(sb).next_cnid++;
inode->i_mode = mode;
- inode->i_uid = current->fsuid;
- inode->i_gid = current->fsgid;
+ inode->i_uid = current_fsuid();
+ inode->i_gid = current_fsgid();
inode->i_nlink = 1;
inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC;
INIT_LIST_HEAD(&HFSPLUS_I(inode).open_dir_list);
diff --git a/fs/hpfs/namei.c b/fs/hpfs/namei.c
index d256559..2af4578 100644
--- a/fs/hpfs/namei.c
+++ b/fs/hpfs/namei.c
@@ -92,11 +92,11 @@ static int hpfs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
inc_nlink(dir);
insert_inode_hash(result);

- if (result->i_uid != current->fsuid ||
- result->i_gid != current->fsgid ||
+ if (result->i_uid != current_fsuid() ||
+ result->i_gid != current_fsgid() ||
result->i_mode != (mode | S_IFDIR)) {
- result->i_uid = current->fsuid;
- result->i_gid = current->fsgid;
+ result->i_uid = current_fsuid();
+ result->i_gid = current_fsgid();
result->i_mode = mode | S_IFDIR;
hpfs_write_inode_nolock(result);
}
@@ -184,11 +184,11 @@ static int hpfs_create(struct inode *dir, struct dentry *dentry, int mode, struc

insert_inode_hash(result);

- if (result->i_uid != current->fsuid ||
- result->i_gid != current->fsgid ||
+ if (result->i_uid != current_fsuid() ||
+ result->i_gid != current_fsgid() ||
result->i_mode != (mode | S_IFREG)) {
- result->i_uid = current->fsuid;
- result->i_gid = current->fsgid;
+ result->i_uid = current_fsuid();
+ result->i_gid = current_fsgid();
result->i_mode = mode | S_IFREG;
hpfs_write_inode_nolock(result);
}
@@ -247,8 +247,8 @@ static int hpfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t
result->i_mtime.tv_nsec = 0;
result->i_atime.tv_nsec = 0;
hpfs_i(result)->i_ea_size = 0;
- result->i_uid = current->fsuid;
- result->i_gid = current->fsgid;
+ result->i_uid = current_fsuid();
+ result->i_gid = current_fsgid();
result->i_nlink = 1;
result->i_size = 0;
result->i_blocks = 1;
@@ -325,8 +325,8 @@ static int hpfs_symlink(struct inode *dir, struct dentry *dentry, const char *sy
result->i_atime.tv_nsec = 0;
hpfs_i(result)->i_ea_size = 0;
result->i_mode = S_IFLNK | 0777;
- result->i_uid = current->fsuid;
- result->i_gid = current->fsgid;
+ result->i_uid = current_fsuid();
+ result->i_gid = current_fsgid();
result->i_blocks = 1;
result->i_nlink = 1;
result->i_size = strlen(symlink);
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index 09ee07f..39ad919 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -543,9 +543,9 @@ static int hugetlbfs_mknod(struct inode *dir,
if (S_ISDIR(mode))
mode |= S_ISGID;
} else {
- gid = current->fsgid;
+ gid = current_fsgid();
}
- inode = hugetlbfs_get_inode(dir->i_sb, current->fsuid, gid, mode, dev);
+ inode = hugetlbfs_get_inode(dir->i_sb, current_fsuid(), gid, mode, dev);
if (inode) {
dir->i_ctime = dir->i_mtime = CURRENT_TIME;
d_instantiate(dentry, inode);
@@ -578,9 +578,9 @@ static int hugetlbfs_symlink(struct inode *dir,
if (dir->i_mode & S_ISGID)
gid = dir->i_gid;
else
- gid = current->fsgid;
+ gid = current_fsgid();

- inode = hugetlbfs_get_inode(dir->i_sb, current->fsuid,
+ inode = hugetlbfs_get_inode(dir->i_sb, current_fsuid(),
gid, S_IFLNK|S_IRWXUGO, 0);
if (inode) {
int l = strlen(symname)+1;
@@ -819,8 +819,8 @@ hugetlbfs_fill_super(struct super_block *sb, void *data, int silent)

config.nr_blocks = -1; /* No limit on size by default */
config.nr_inodes = -1; /* No limit on number of inodes by default */
- config.uid = current->fsuid;
- config.gid = current->fsgid;
+ config.uid = current_fsuid();
+ config.gid = current_fsgid();
config.mode = 0755;
ret = hugetlbfs_parse_options(data, &config);
if (ret)
@@ -933,8 +933,8 @@ struct file *hugetlb_file_setup(const char *name, size_t size)
goto out_shm_unlock;

error = -ENOSPC;
- inode = hugetlbfs_get_inode(root->d_sb, current->fsuid,
- current->fsgid, S_IFREG | S_IRWXUGO, 0);
+ inode = hugetlbfs_get_inode(root->d_sb, current_fsuid(),
+ current_fsgid(), S_IFREG | S_IRWXUGO, 0);
if (!inode)
goto out_dentry;

diff --git a/fs/jffs2/fs.c b/fs/jffs2/fs.c
index d2e06f7..61849f3 100644
--- a/fs/jffs2/fs.c
+++ b/fs/jffs2/fs.c
@@ -425,14 +425,14 @@ struct inode *jffs2_new_inode (struct inode *dir_i, int mode, struct jffs2_raw_i

memset(ri, 0, sizeof(*ri));
/* Set OS-specific defaults for new inodes */
- ri->uid = cpu_to_je16(current->fsuid);
+ ri->uid = cpu_to_je16(current_fsuid());

if (dir_i->i_mode & S_ISGID) {
ri->gid = cpu_to_je16(dir_i->i_gid);
if (S_ISDIR(mode))
mode |= S_ISGID;
} else {
- ri->gid = cpu_to_je16(current->fsgid);
+ ri->gid = cpu_to_je16(current_fsgid());
}

/* POSIX ACLs have to be processed now, at least partly.
diff --git a/fs/jfs/jfs_inode.c b/fs/jfs/jfs_inode.c
index ed6574b..70022fd 100644
--- a/fs/jfs/jfs_inode.c
+++ b/fs/jfs/jfs_inode.c
@@ -93,13 +93,13 @@ struct inode *ialloc(struct inode *parent, umode_t mode)
return ERR_PTR(rc);
}

- inode->i_uid = current->fsuid;
+ inode->i_uid = current_fsuid();
if (parent->i_mode & S_ISGID) {
inode->i_gid = parent->i_gid;
if (S_ISDIR(mode))
mode |= S_ISGID;
} else
- inode->i_gid = current->fsgid;
+ inode->i_gid = current_fsgid();

/*
* New inodes need to save sane values on disk when
diff --git a/fs/locks.c b/fs/locks.c
index 8b8388e..359030b 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -1358,7 +1358,7 @@ int generic_setlease(struct file *filp, long arg, struct file_lock **flp)
struct inode *inode = dentry->d_inode;
int error, rdlease_count = 0, wrlease_count = 0;

- if ((current->fsuid != inode->i_uid) && !capable(CAP_LEASE))
+ if ((current_fsuid() != inode->i_uid) && !capable(CAP_LEASE))
return -EACCES;
if (!S_ISREG(inode->i_mode))
return -EINVAL;
diff --git a/fs/minix/bitmap.c b/fs/minix/bitmap.c
index 703cc35..3aebe32 100644
--- a/fs/minix/bitmap.c
+++ b/fs/minix/bitmap.c
@@ -262,8 +262,8 @@ struct inode * minix_new_inode(const struct inode * dir, int * error)
iput(inode);
return NULL;
}
- inode->i_uid = current->fsuid;
- inode->i_gid = (dir->i_mode & S_ISGID) ? dir->i_gid : current->fsgid;
+ inode->i_uid = current_fsuid();
+ inode->i_gid = (dir->i_mode & S_ISGID) ? dir->i_gid : current_fsgid();
inode->i_ino = j;
inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC;
inode->i_blocks = 0;
diff --git a/fs/namei.c b/fs/namei.c
index 73e2e66..b07ae67 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -184,7 +184,7 @@ int generic_permission(struct inode *inode, int mask,
{
umode_t mode = inode->i_mode;

- if (current->fsuid == inode->i_uid)
+ if (current_fsuid() == inode->i_uid)
mode >>= 6;
else {
if (IS_POSIXACL(inode) && (mode & S_IRWXG) && check_acl) {
@@ -452,7 +452,7 @@ static int exec_permission_lite(struct inode *inode,
if (inode->i_op && inode->i_op->permission)
return -EAGAIN;

- if (current->fsuid == inode->i_uid)
+ if (current_fsuid() == inode->i_uid)
mode >>= 6;
else if (in_group_p(inode->i_gid))
mode >>= 3;
@@ -1435,9 +1435,9 @@ static inline int check_sticky(struct inode *dir, struct inode *inode)
{
if (!(dir->i_mode & S_ISVTX))
return 0;
- if (inode->i_uid == current->fsuid)
+ if (inode->i_uid == current_fsuid())
return 0;
- if (dir->i_uid == current->fsuid)
+ if (dir->i_uid == current_fsuid())
return 0;
return !capable(CAP_FOWNER);
}
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index d019918..f11c48d 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -1857,7 +1857,7 @@ nfsd_permission(struct svc_rqst *rqstp, struct svc_export *exp,
IS_APPEND(inode)? " append" : "",
IS_RDONLY(inode)? " ro" : "");
dprintk(" owner %d/%d user %d/%d\n",
- inode->i_uid, inode->i_gid, current->fsuid, current->fsgid);
+ inode->i_uid, inode->i_gid, current_fsuid(), current->fsgid);
#endif

/* Normally we reject any write/sattr etc access on a read-only file
@@ -1899,7 +1899,7 @@ nfsd_permission(struct svc_rqst *rqstp, struct svc_export *exp,
* with NFSv3.
*/
if ((acc & MAY_OWNER_OVERRIDE) &&
- inode->i_uid == current->fsuid)
+ inode->i_uid == current_fsuid())
return 0;

err = permission(inode, acc & (MAY_READ|MAY_WRITE|MAY_EXEC), NULL);
diff --git a/fs/ocfs2/dlm/dlmfs.c b/fs/ocfs2/dlm/dlmfs.c
index 6639baa..ea65979 100644
--- a/fs/ocfs2/dlm/dlmfs.c
+++ b/fs/ocfs2/dlm/dlmfs.c
@@ -328,8 +328,8 @@ static struct inode *dlmfs_get_root_inode(struct super_block *sb)
ip = DLMFS_I(inode);

inode->i_mode = mode;
- inode->i_uid = current->fsuid;
- inode->i_gid = current->fsgid;
+ inode->i_uid = current_fsuid();
+ inode->i_gid = current_fsgid();
inode->i_blocks = 0;
inode->i_mapping->backing_dev_info = &dlmfs_backing_dev_info;
inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
@@ -354,8 +354,8 @@ static struct inode *dlmfs_get_inode(struct inode *parent,
return NULL;

inode->i_mode = mode;
- inode->i_uid = current->fsuid;
- inode->i_gid = current->fsgid;
+ inode->i_uid = current_fsuid();
+ inode->i_gid = current_fsgid();
inode->i_blocks = 0;
inode->i_mapping->backing_dev_info = &dlmfs_backing_dev_info;
inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
index 989ac27..86e2717 100644
--- a/fs/ocfs2/namei.c
+++ b/fs/ocfs2/namei.c
@@ -426,13 +426,13 @@ static int ocfs2_mknod_locked(struct ocfs2_super *osb,
fe->i_blkno = cpu_to_le64(fe_blkno);
fe->i_suballoc_bit = cpu_to_le16(suballoc_bit);
fe->i_suballoc_slot = cpu_to_le16(osb->slot_num);
- fe->i_uid = cpu_to_le32(current->fsuid);
+ fe->i_uid = cpu_to_le32(current_fsuid());
if (dir->i_mode & S_ISGID) {
fe->i_gid = cpu_to_le32(dir->i_gid);
if (S_ISDIR(mode))
mode |= S_ISGID;
} else
- fe->i_gid = cpu_to_le32(current->fsgid);
+ fe->i_gid = cpu_to_le32(current_fsgid());
fe->i_mode = cpu_to_le16(mode);
if (S_ISCHR(mode) || S_ISBLK(mode))
fe->id1.dev1.i_rdev = cpu_to_le64(huge_encode_dev(dev));
diff --git a/fs/pipe.c b/fs/pipe.c
index e66ec48..598cf6c 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -938,8 +938,8 @@ static struct inode * get_pipe_inode(void)
*/
inode->i_state = I_DIRTY;
inode->i_mode = S_IFIFO | S_IRUSR | S_IWUSR;
- inode->i_uid = current->fsuid;
- inode->i_gid = current->fsgid;
+ inode->i_uid = current_fsuid();
+ inode->i_gid = current_fsgid();
inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;

return inode;
diff --git a/fs/posix_acl.c b/fs/posix_acl.c
index aec931e..39df95a 100644
--- a/fs/posix_acl.c
+++ b/fs/posix_acl.c
@@ -217,11 +217,11 @@ posix_acl_permission(struct inode *inode, const struct posix_acl *acl, int want)
switch(pa->e_tag) {
case ACL_USER_OBJ:
/* (May have been checked already) */
- if (inode->i_uid == current->fsuid)
+ if (inode->i_uid == current_fsuid())
goto check_perm;
break;
case ACL_USER:
- if (pa->e_id == current->fsuid)
+ if (pa->e_id == current_fsuid())
goto mask;
break;
case ACL_GROUP_OBJ:
diff --git a/fs/ramfs/inode.c b/fs/ramfs/inode.c
index 8428d5b..98421f7 100644
--- a/fs/ramfs/inode.c
+++ b/fs/ramfs/inode.c
@@ -55,8 +55,8 @@ struct inode *ramfs_get_inode(struct super_block *sb, int mode, dev_t dev)

if (inode) {
inode->i_mode = mode;
- inode->i_uid = current->fsuid;
- inode->i_gid = current->fsgid;
+ inode->i_uid = current_fsuid();
+ inode->i_gid = current_fsgid();
inode->i_blocks = 0;
inode->i_mapping->a_ops = &ramfs_aops;
inode->i_mapping->backing_dev_info = &ramfs_backing_dev_info;
diff --git a/fs/reiserfs/namei.c b/fs/reiserfs/namei.c
index b378eea..84458f3 100644
--- a/fs/reiserfs/namei.c
+++ b/fs/reiserfs/namei.c
@@ -582,7 +582,7 @@ static int new_inode_init(struct inode *inode, struct inode *dir, int mode)
/* the quota init calls have to know who to charge the quota to, so
** we have to set uid and gid here
*/
- inode->i_uid = current->fsuid;
+ inode->i_uid = current_fsuid();
inode->i_mode = mode;
/* Make inode invalid - just in case we are going to drop it before
* the initialization happens */
@@ -593,7 +593,7 @@ static int new_inode_init(struct inode *inode, struct inode *dir, int mode)
if (S_ISDIR(mode))
inode->i_mode |= S_ISGID;
} else {
- inode->i_gid = current->fsgid;
+ inode->i_gid = current_fsgid();
}
DQUOT_INIT(inode);
return 0;
diff --git a/fs/sysv/ialloc.c b/fs/sysv/ialloc.c
index 115ab0d..241e976 100644
--- a/fs/sysv/ialloc.c
+++ b/fs/sysv/ialloc.c
@@ -165,9 +165,9 @@ struct inode * sysv_new_inode(const struct inode * dir, mode_t mode)
if (S_ISDIR(mode))
mode |= S_ISGID;
} else
- inode->i_gid = current->fsgid;
+ inode->i_gid = current_fsgid();

- inode->i_uid = current->fsuid;
+ inode->i_uid = current_fsuid();
inode->i_ino = fs16_to_cpu(sbi, ino);
inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC;
inode->i_blocks = 0;
diff --git a/fs/udf/ialloc.c b/fs/udf/ialloc.c
index 636d8f6..1f3c01a 100644
--- a/fs/udf/ialloc.c
+++ b/fs/udf/ialloc.c
@@ -105,13 +105,13 @@ struct inode *udf_new_inode(struct inode *dir, int mode, int *err)
mark_buffer_dirty(UDF_SB_LVIDBH(sb));
}
inode->i_mode = mode;
- inode->i_uid = current->fsuid;
+ inode->i_uid = current_fsuid();
if (dir->i_mode & S_ISGID) {
inode->i_gid = dir->i_gid;
if (S_ISDIR(mode))
mode |= S_ISGID;
} else {
- inode->i_gid = current->fsgid;
+ inode->i_gid = current_fsgid();
}

UDF_I_LOCATION(inode).logicalBlockNum = block;
diff --git a/fs/udf/namei.c b/fs/udf/namei.c
index bec96a6..e2d466c 100644
--- a/fs/udf/namei.c
+++ b/fs/udf/namei.c
@@ -636,7 +636,7 @@ static int udf_mknod(struct inode *dir, struct dentry *dentry, int mode,
if (!inode)
goto out;

- inode->i_uid = current->fsuid;
+ inode->i_uid = current_fsuid();
init_special_inode(inode, mode, rdev);
if (!(fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err))) {
inode->i_nlink--;
diff --git a/fs/ufs/ialloc.c b/fs/ufs/ialloc.c
index 7e260bc..88f8889 100644
--- a/fs/ufs/ialloc.c
+++ b/fs/ufs/ialloc.c
@@ -304,13 +304,13 @@ cg_found:

inode->i_ino = cg * uspi->s_ipg + bit;
inode->i_mode = mode;
- inode->i_uid = current->fsuid;
+ inode->i_uid = current_fsuid();
if (dir->i_mode & S_ISGID) {
inode->i_gid = dir->i_gid;
if (S_ISDIR(mode))
inode->i_mode |= S_ISGID;
} else
- inode->i_gid = current->fsgid;
+ inode->i_gid = current_fsgid();

inode->i_blocks = 0;
inode->i_generation = 0;
diff --git a/fs/xfs/linux-2.6/xfs_linux.h b/fs/xfs/linux-2.6/xfs_linux.h
index dc3752d..0b943dd 100644
--- a/fs/xfs/linux-2.6/xfs_linux.h
+++ b/fs/xfs/linux-2.6/xfs_linux.h
@@ -126,8 +126,8 @@

#define current_cpu() (raw_smp_processor_id())
#define current_pid() (current->pid)
-#define current_fsuid(cred) (current->fsuid)
-#define current_fsgid(cred) (current->fsgid)
+#define this_fsuid(cred) (current_fsuid())
+#define this_fsgid(cred) (current_fsgid())
#define current_test_flags(f) (current->flags & (f))
#define current_set_flags_nested(sp, f) \
(*(sp) = current->flags, current->flags |= (f))
diff --git a/fs/xfs/xfs_acl.c b/fs/xfs/xfs_acl.c
index 5bfb66f..878ca6e 100644
--- a/fs/xfs/xfs_acl.c
+++ b/fs/xfs/xfs_acl.c
@@ -386,7 +386,7 @@ xfs_acl_allow_set(
error = xfs_getattr(ip, &va, 0);
if (error)
return error;
- if (va.va_uid != current->fsuid && !capable(CAP_FOWNER))
+ if (va.va_uid != current_fsuid() && !capable(CAP_FOWNER))
return EPERM;
return error;
}
@@ -460,13 +460,13 @@ xfs_acl_access(
switch (fap->acl_entry[i].ae_tag) {
case ACL_USER_OBJ:
seen_userobj = 1;
- if (fuid != current->fsuid)
+ if (fuid != current_fsuid())
continue;
matched.ae_tag = ACL_USER_OBJ;
matched.ae_perm = allows;
break;
case ACL_USER:
- if (fap->acl_entry[i].ae_id != current->fsuid)
+ if (fap->acl_entry[i].ae_id != current_fsuid())
continue;
matched.ae_tag = ACL_USER;
matched.ae_perm = allows;
diff --git a/fs/xfs/xfs_attr.c b/fs/xfs/xfs_attr.c
index 93fa64d..33c1173 100644
--- a/fs/xfs/xfs_attr.c
+++ b/fs/xfs/xfs_attr.c
@@ -2627,7 +2627,7 @@ attr_user_capable(
!capable(CAP_SYS_ADMIN))
return -EPERM;
if (S_ISDIR(inode->i_mode) && (inode->i_mode & S_ISVTX) &&
- (current_fsuid(cred) != inode->i_uid) && !capable(CAP_FOWNER))
+ (this_fsuid(cred) != inode->i_uid) && !capable(CAP_FOWNER))
return -EPERM;
return 0;
}
diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index 3449480..9c635d2 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -1132,8 +1132,8 @@ xfs_ialloc(
ip->i_d.di_onlink = 0;
ip->i_d.di_nlink = nlink;
ASSERT(ip->i_d.di_nlink == nlink);
- ip->i_d.di_uid = current_fsuid(cr);
- ip->i_d.di_gid = current_fsgid(cr);
+ ip->i_d.di_uid = this_fsuid(cr);
+ ip->i_d.di_gid = this_fsgid(cr);
ip->i_d.di_projid = prid;
memset(&(ip->i_d.di_pad[0]), 0, sizeof(ip->i_d.di_pad));

@@ -3642,7 +3642,7 @@ xfs_iaccess(
if ((error = _ACL_XFS_IACCESS(ip, mode, cr)) != -1)
return error ? XFS_ERROR(error) : 0;

- if (current_fsuid(cr) != ip->i_d.di_uid) {
+ if (this_fsuid(cr) != ip->i_d.di_uid) {
mode >>= 3;
if (!in_group_p((gid_t)ip->i_d.di_gid))
mode >>= 3;
diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c
index efd5aff..86bc8ec 100644
--- a/fs/xfs/xfs_vnodeops.c
+++ b/fs/xfs/xfs_vnodeops.c
@@ -341,7 +341,7 @@ xfs_setattr(
xfs_ilock(ip, lock_flags);

/* boolean: are we the file owner? */
- file_owner = (current_fsuid(credp) == ip->i_d.di_uid);
+ file_owner = (this_fsuid(credp) == ip->i_d.di_uid);

/*
* Change various properties of a file.
@@ -1878,7 +1878,7 @@ xfs_create(
* Make sure that we have allocated dquot(s) on disk.
*/
error = XFS_QM_DQVOPALLOC(mp, dp,
- current_fsuid(credp), current_fsgid(credp), prid,
+ this_fsuid(credp), this_fsgid(credp), prid,
XFS_QMOPT_QUOTALL|XFS_QMOPT_INHERIT, &udqp, &gdqp);
if (error)
goto std_return;
@@ -2757,7 +2757,7 @@ xfs_mkdir(
* Make sure that we have allocated dquot(s) on disk.
*/
error = XFS_QM_DQVOPALLOC(mp, dp,
- current_fsuid(credp), current_fsgid(credp), prid,
+ this_fsuid(credp), this_fsgid(credp), prid,
XFS_QMOPT_QUOTALL | XFS_QMOPT_INHERIT, &udqp, &gdqp);
if (error)
goto std_return;
@@ -3249,7 +3249,7 @@ xfs_symlink(
* Make sure that we have allocated dquot(s) on disk.
*/
error = XFS_QM_DQVOPALLOC(mp, dp,
- current_fsuid(credp), current_fsgid(credp), prid,
+ this_fsuid(credp), this_fsgid(credp), prid,
XFS_QMOPT_QUOTALL | XFS_QMOPT_INHERIT, &udqp, &gdqp);
if (error)
goto std_return;
diff --git a/include/linux/fs.h b/include/linux/fs.h
index b3ec4a4..850d3fc 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1057,7 +1057,7 @@ enum {
#define has_fs_excl() atomic_read(&current->fs_excl)

#define is_owner_or_cap(inode) \
- ((current->fsuid == (inode)->i_uid) || capable(CAP_FOWNER))
+ ((current_fsuid() == (inode)->i_uid) || capable(CAP_FOWNER))

/* not quite ready to be deprecated, but... */
extern void lock_super(struct super_block *);
diff --git a/include/linux/sched.h b/include/linux/sched.h
index cc14656..c500e4c 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1180,6 +1180,9 @@ struct task_struct {
struct prop_local_single dirties;
};

+#define current_fsuid() (current->fsuid)
+#define current_fsgid() (current->fsgid)
+
/*
* Priority of a process goes from 0..MAX_PRIO-1, valid RT
* priority is 0..MAX_RT_PRIO-1, and SCHED_NORMAL/SCHED_BATCH
diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index 6ca7b97..590045a 100644
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -109,8 +109,8 @@ static struct inode *mqueue_get_inode(struct super_block *sb, int mode,
inode = new_inode(sb);
if (inode) {
inode->i_mode = mode;
- inode->i_uid = current->fsuid;
- inode->i_gid = current->fsgid;
+ inode->i_uid = current_fsuid();
+ inode->i_gid = current_fsgid();
inode->i_blocks = 0;
inode->i_mtime = inode->i_ctime = inode->i_atime =
CURRENT_TIME;
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 1a3c239..1b85df5 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -577,8 +577,8 @@ static struct inode *cgroup_new_inode(mode_t mode, struct super_block *sb)

if (inode) {
inode->i_mode = mode;
- inode->i_uid = current->fsuid;
- inode->i_gid = current->fsgid;
+ inode->i_uid = current_fsuid();
+ inode->i_gid = current_fsgid();
inode->i_blocks = 0;
inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
inode->i_mapping->backing_dev_info = &cgroup_backing_dev_info;
diff --git a/mm/shmem.c b/mm/shmem.c
index 51b3d6c..292b329 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -1412,8 +1412,8 @@ shmem_get_inode(struct super_block *sb, int mode, dev_t dev)
inode = new_inode(sb);
if (inode) {
inode->i_mode = mode;
- inode->i_uid = current->fsuid;
- inode->i_gid = current->fsgid;
+ inode->i_uid = current_fsuid();
+ inode->i_gid = current_fsgid();
inode->i_blocks = 0;
inode->i_mapping->a_ops = &shmem_aops;
inode->i_mapping->backing_dev_info = &shmem_backing_dev_info;
@@ -2241,8 +2241,8 @@ static int shmem_fill_super(struct super_block *sb,
struct inode *inode;
struct dentry *root;
int mode = S_IRWXUGO | S_ISVTX;
- uid_t uid = current->fsuid;
- gid_t gid = current->fsgid;
+ uid_t uid = current_fsuid();
+ gid_t gid = current_fsgid();
int err = -ENOMEM;
struct shmem_sb_info *sbinfo;
unsigned long blocks = 0;
diff --git a/net/9p/client.c b/net/9p/client.c
index af91993..9cb8b3b 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -938,7 +938,7 @@ static struct p9_fid *p9_fid_create(struct p9_client *clnt)
fid->rdir_fpos = 0;
fid->rdir_pos = 0;
fid->rdir_fcall = NULL;
- fid->uid = current->fsuid;
+ fid->uid = current_fsuid();
fid->clnt = clnt;
fid->aux = NULL;

diff --git a/net/socket.c b/net/socket.c
index 74784df..e5f8151 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -484,8 +484,8 @@ static struct socket *sock_alloc(void)
sock = SOCKET_I(inode);

inode->i_mode = S_IFSOCK | S_IRWXUGO;
- inode->i_uid = current->fsuid;
- inode->i_gid = current->fsgid;
+ inode->i_uid = current_fsuid();
+ inode->i_gid = current_fsgid();

get_cpu_var(sockets_in_use)++;
put_cpu_var(sockets_in_use);
diff --git a/net/sunrpc/auth.c b/net/sunrpc/auth.c
index 1ea2755..390a1ec 100644
--- a/net/sunrpc/auth.c
+++ b/net/sunrpc/auth.c
@@ -337,8 +337,8 @@ struct rpc_cred *
rpcauth_lookupcred(struct rpc_auth *auth, int flags)
{
struct auth_cred acred = {
- .uid = current->fsuid,
- .gid = current->fsgid,
+ .uid = current_fsuid(),
+ .gid = current_fsgid(),
.group_info = current->group_info,
};
struct rpc_cred *ret;
@@ -373,8 +373,8 @@ rpcauth_bindcred(struct rpc_task *task)
{
struct rpc_auth *auth = task->tk_client->cl_auth;
struct auth_cred acred = {
- .uid = current->fsuid,
- .gid = current->fsgid,
+ .uid = current_fsuid(),
+ .gid = current_fsgid(),
.group_info = current->group_info,
};
struct rpc_cred *ret;
diff --git a/security/commoncap.c b/security/commoncap.c
index 5bc1895..bbe188e 100644
--- a/security/commoncap.c
+++ b/security/commoncap.c
@@ -336,8 +336,8 @@ void cap_bprm_apply_creds (struct linux_binprm *bprm, int unsafe)
}
}

- current->suid = current->euid = current->fsuid = bprm->e_uid;
- current->sgid = current->egid = current->fsgid = bprm->e_gid;
+ current->suid = current->euid = current_fsuid() = bprm->e_uid;
+ current->sgid = current->egid = current_fsgid() = bprm->e_gid;

/* For init, we want to retain the capabilities set
* in the init_task struct. Thus we skip the usual
@@ -466,11 +466,11 @@ int cap_task_post_setuid (uid_t old_ruid, uid_t old_euid, uid_t old_suid,
*/

if (!issecure (SECURE_NO_SETUID_FIXUP)) {
- if (old_fsuid == 0 && current->fsuid != 0) {
+ if (old_fsuid == 0 && current_fsuid() != 0) {
cap_t (current->cap_effective) &=
~CAP_FS_MASK;
}
- if (old_fsuid != 0 && current->fsuid == 0) {
+ if (old_fsuid != 0 && current_fsuid() == 0) {
cap_t (current->cap_effective) |=
(cap_t (current->cap_permitted) &
CAP_FS_MASK);
diff --git a/security/keys/key.c b/security/keys/key.c
index fdd5ca6..48fabb1 100644
--- a/security/keys/key.c
+++ b/security/keys/key.c
@@ -817,7 +817,7 @@ key_ref_t key_create_or_update(key_ref_t keyring_ref,
perm |= KEY_USR_WRITE;

/* allocate a new key */
- key = key_alloc(ktype, description, current->fsuid, current->fsgid,
+ key = key_alloc(ktype, description, current_fsuid(), current->fsgid,
current, perm, flags);
if (IS_ERR(key)) {
key_ref = ERR_PTR(PTR_ERR(key));
diff --git a/security/keys/keyctl.c b/security/keys/keyctl.c
index 56e963b..b3a63dd 100644
--- a/security/keys/keyctl.c
+++ b/security/keys/keyctl.c
@@ -810,7 +810,7 @@ long keyctl_setperm_key(key_serial_t id, key_perm_t perm)
down_write(&key->sem);

/* if we're not the sysadmin, we can only change a key that we own */
- if (capable(CAP_SYS_ADMIN) || key->uid == current->fsuid) {
+ if (capable(CAP_SYS_ADMIN) || key->uid == current_fsuid()) {
key->perm = perm;
ret = 0;
}
diff --git a/security/keys/request_key.c b/security/keys/request_key.c
index aee4897..6d25911 100644
--- a/security/keys/request_key.c
+++ b/security/keys/request_key.c
@@ -76,7 +76,7 @@ static int call_sbin_request_key(struct key_construction *cons,
/* allocate a new session keyring */
sprintf(desc, "_req.%u", key->serial);

- keyring = keyring_alloc(desc, current->fsuid, current->fsgid, current,
+ keyring = keyring_alloc(desc, current_fsuid(), current->fsgid, current,
KEY_ALLOC_QUOTA_OVERRUN, NULL);
if (IS_ERR(keyring)) {
ret = PTR_ERR(keyring);
@@ -89,8 +89,8 @@ static int call_sbin_request_key(struct key_construction *cons,
goto error_link;

/* record the UID and GID */
- sprintf(uid_str, "%d", current->fsuid);
- sprintf(gid_str, "%d", current->fsgid);
+ sprintf(uid_str, "%d", current_fsuid());
+ sprintf(gid_str, "%d", current_fsgid());

/* we say which key is under construction */
sprintf(key_str, "%d", key->serial);
@@ -278,7 +278,7 @@ static int construct_alloc_key(struct key_type *type,
mutex_lock(&user->cons_lock);

key = key_alloc(type, description,
- current->fsuid, current->fsgid, current, KEY_POS_ALL,
+ current_fsuid(), current->fsgid, current, KEY_POS_ALL,
flags);
if (IS_ERR(key))
goto alloc_failed;
@@ -341,7 +341,7 @@ static struct key *construct_key_and_link(struct key_type *type,
struct key *key;
int ret;

- user = key_user_lookup(current->fsuid);
+ user = key_user_lookup(current_fsuid());
if (!user)
return ERR_PTR(-ENOMEM);

diff --git a/security/keys/request_key_auth.c b/security/keys/request_key_auth.c
index 6827ae3..cce6b4d 100644
--- a/security/keys/request_key_auth.c
+++ b/security/keys/request_key_auth.c
@@ -194,7 +194,7 @@ struct key *request_key_auth_new(struct key *target, const void *callout_info,
sprintf(desc, "%x", target->serial);

authkey = key_alloc(&key_type_request_key_auth, desc,
- current->fsuid, current->fsgid, current,
+ current_fsuid(), current->fsgid, current,
KEY_POS_VIEW | KEY_POS_READ | KEY_POS_SEARCH |
KEY_USR_VIEW, KEY_ALLOC_NOT_IN_QUOTA);
if (IS_ERR(authkey)) {

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