[patch 51/94] [PATCH 20/44] [CVE-2009-0029] System call wrapperspart 10

From: Greg KH
Date: Thu Jan 15 2009 - 15:34:28 EST


2.6.28-stable review patch. If anyone has any objections, please let us know.

------------------

From: Heiko Carstens <heiko.carstens@xxxxxxxxxx>

commit bdc480e3bef6eb0e7071770834cbdda7e30a5436 upstream.

Signed-off-by: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
---
fs/buffer.c | 2 +-
fs/namespace.c | 9 ++++-----
fs/open.c | 12 +++++-------
fs/stat.c | 2 +-
4 files changed, 11 insertions(+), 14 deletions(-)

--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -3177,7 +3177,7 @@ void block_sync_page(struct page *page)
* Use of bdflush() is deprecated and will be removed in a future kernel.
* The `pdflush' kernel threads fully replace bdflush daemons and this call.
*/
-asmlinkage long sys_bdflush(int func, long data)
+SYSCALL_DEFINE2(bdflush, int, func, long, data)
{
static int msg_count;

--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -1128,7 +1128,7 @@ static int do_umount(struct vfsmount *mn
* unixes. Our API is identical to OSF/1 to avoid making a mess of AMD
*/

-asmlinkage long sys_umount(char __user * name, int flags)
+SYSCALL_DEFINE2(umount, char __user *, name, int, flags)
{
struct path path;
int retval;
@@ -1160,7 +1160,7 @@ out:
/*
* The 2.0 compatible umount. No flags.
*/
-asmlinkage long sys_oldumount(char __user * name)
+SYSCALL_DEFINE1(oldumount, char __user *, name)
{
return sys_umount(name, 0);
}
@@ -2045,9 +2045,8 @@ struct mnt_namespace *copy_mnt_ns(unsign
return new_ns;
}

-asmlinkage long sys_mount(char __user * dev_name, char __user * dir_name,
- char __user * type, unsigned long flags,
- void __user * data)
+SYSCALL_DEFINE5(mount, char __user *, dev_name, char __user *, dir_name,
+ char __user *, type, unsigned long, flags, void __user *, data)
{
int retval;
unsigned long data_page;
--- a/fs/open.c
+++ b/fs/open.c
@@ -122,7 +122,7 @@ static int vfs_statfs64(struct dentry *d
return 0;
}

-asmlinkage long sys_statfs(const char __user *pathname, struct statfs __user * buf)
+SYSCALL_DEFINE2(statfs, const char __user *, pathname, struct statfs __user *, buf)
{
struct path path;
int error;
@@ -138,8 +138,7 @@ asmlinkage long sys_statfs(const char __
return error;
}

-
-asmlinkage long sys_statfs64(const char __user *pathname, size_t sz, struct statfs64 __user *buf)
+SYSCALL_DEFINE3(statfs64, const char __user *, pathname, size_t, sz, struct statfs64 __user *, buf)
{
struct path path;
long error;
@@ -157,8 +156,7 @@ asmlinkage long sys_statfs64(const char
return error;
}

-
-asmlinkage long sys_fstatfs(unsigned int fd, struct statfs __user * buf)
+SYSCALL_DEFINE2(fstatfs, unsigned int, fd, struct statfs __user *, buf)
{
struct file * file;
struct statfs tmp;
@@ -287,7 +285,7 @@ out:
return error;
}

-asmlinkage long sys_truncate(const char __user * path, unsigned long length)
+SYSCALL_DEFINE2(truncate, const char __user *, path, unsigned long, length)
{
/* on 32-bit boxen it will cut the range 2^31--2^32-1 off */
return do_sys_truncate(path, (long)length);
@@ -336,7 +334,7 @@ out:
return error;
}

-asmlinkage long sys_ftruncate(unsigned int fd, unsigned long length)
+SYSCALL_DEFINE2(ftruncate, unsigned int, fd, unsigned long, length)
{
long ret = do_sys_ftruncate(fd, length, 1);
/* avoid REGPARM breakage on x86: */
--- a/fs/stat.c
+++ b/fs/stat.c
@@ -152,7 +152,7 @@ static int cp_old_stat(struct kstat *sta
return copy_to_user(statbuf,&tmp,sizeof(tmp)) ? -EFAULT : 0;
}

-asmlinkage long sys_stat(char __user * filename, struct __old_kernel_stat __user * statbuf)
+SYSCALL_DEFINE2(stat, char __user *, filename, struct __old_kernel_stat __user *, statbuf)
{
struct kstat stat;
int error = vfs_stat_fd(AT_FDCWD, filename, &stat);

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