[PATCH v3 2/2] init: use kern_sys_* wrappers instead of syscall

From: Namhyung Kim
Date: Mon Aug 30 2010 - 13:28:13 EST

replace direct syscall invocations to its wrapper functions defined
in init/sys-wrapper.h

Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxx>
---
init/do_mounts.c | 29 +++++++++++----------
init/do_mounts_initrd.c | 48 +++++++++++++++++++-----------------
init/do_mounts_md.c | 29 +++++++++++----------
init/do_mounts_rd.c | 37 ++++++++++++++--------------
init/initramfs.c | 61 ++++++++++++++++++++++++-----------------------
init/main.c | 9 ++++---
init/noinitramfs.c | 10 ++++----
7 files changed, 115 insertions(+), 108 deletions(-)

diff --git a/init/do_mounts.c b/init/do_mounts.c
index 529581f..7ce3eb3 100644
--- a/init/do_mounts.c
+++ b/init/do_mounts.c
@@ -22,6 +22,7 @@
#include <linux/nfs_mount.h>

#include "do_mounts.h"
+#include "sys-wrapper.h"

int __initdata rd_doload; /* 1 = load RAM disk, 0 = don't load */

@@ -217,11 +218,11 @@ static void __init get_fs_names(char *page)

static int __init do_mount_root(char *name, char *fs, int flags, void *data)
{
- int err = sys_mount(name, "/root", fs, flags, data);
+ int err = kern_sys_mount(name, "/root", fs, flags, data);
if (err)
return err;

- sys_chdir((const char __user __force *)"/root");
+ kern_sys_chdir("/root");
ROOT_DEV = current->fs->pwd.mnt->mnt_sb->s_dev;
printk("VFS: Mounted root (%s filesystem)%s on device %u:%u.\n",
current->fs->pwd.mnt->mnt_sb->s_type->name,
@@ -287,7 +288,7 @@ retry:
out:
putname(fs_names);
}
-
+
#ifdef CONFIG_ROOT_NFS
static int __init mount_nfs_root(void)
{
@@ -312,21 +313,21 @@ void __init change_floppy(char *fmt, ...)
va_start(args, fmt);
vsprintf(buf, fmt, args);
va_end(args);
- fd = sys_open("/dev/root", O_RDWR | O_NDELAY, 0);
+ fd = kern_sys_open("/dev/root", O_RDWR | O_NDELAY, 0);
if (fd >= 0) {
- sys_ioctl(fd, FDEJECT, 0);
- sys_close(fd);
+ kern_sys_ioctl(fd, FDEJECT, 0);
+ kern_sys_close(fd);
}
printk(KERN_NOTICE "VFS: Insert %s and press ENTER\n", buf);
- fd = sys_open("/dev/console", O_RDWR, 0);
+ fd = kern_sys_open("/dev/console", O_RDWR, 0);
if (fd >= 0) {
- sys_ioctl(fd, TCGETS, (long)&termios);
+ kern_sys_ioctl(fd, TCGETS, (long)&termios);
termios.c_lflag &= ~ICANON;
- sys_ioctl(fd, TCSETSF, (long)&termios);
- sys_read(fd, &c, 1);
+ kern_sys_ioctl(fd, TCSETSF, (long)&termios);
+ kern_sys_read(fd, &c, 1);
termios.c_lflag |= ICANON;
- sys_ioctl(fd, TCSETSF, (long)&termios);
- sys_close(fd);
+ kern_sys_ioctl(fd, TCSETSF, (long)&termios);
+ kern_sys_close(fd);
}
}
#endif
@@ -417,6 +418,6 @@ void __init prepare_namespace(void)
mount_root();
out:
devtmpfs_mount("dev");
- sys_mount(".", "/", NULL, MS_MOVE, NULL);
- sys_chroot((const char __user __force *)".");
+ kern_sys_mount(".", "/", NULL, MS_MOVE, NULL);
+ kern_sys_chroot(".");
}
diff --git a/init/do_mounts_initrd.c b/init/do_mounts_initrd.c
index 3098a38..6ca18b8 100644
--- a/init/do_mounts_initrd.c
+++ b/init/do_mounts_initrd.c
@@ -9,6 +9,7 @@
#include <linux/freezer.h>

#include "do_mounts.h"
+#include "sys-wrapper.h"

unsigned long initrd_start, initrd_end;
int initrd_below_start_ok;
@@ -30,8 +31,9 @@ static int __init do_linuxrc(void *_shell)
extern const char *envp_init[];
const char *shell = _shell;

- sys_close(old_fd);sys_close(root_fd);
- sys_setsid();
+ kern_sys_close(old_fd);
+ kern_sys_close(root_fd);
+ kern_sys_setsid();
return kernel_execve(shell, argv, envp_init);
}

@@ -44,13 +46,13 @@ static void __init handle_initrd(void)
create_dev("/dev/root.old", Root_RAM0);
/* mount initrd on rootfs' /root */
mount_block_root("/dev/root.old", root_mountflags & ~MS_RDONLY);
- sys_mkdir("/old", 0700);
- root_fd = sys_open("/", 0, 0);
- old_fd = sys_open("/old", 0, 0);
+ kern_sys_mkdir("/old", 0700);
+ root_fd = kern_sys_open("/", 0, 0);
+ old_fd = kern_sys_open("/old", 0, 0);
/* move initrd over / and chdir/chroot in initrd root */
- sys_chdir("/root");
- sys_mount(".", "/", NULL, MS_MOVE, NULL);
- sys_chroot(".");
+ kern_sys_chdir("/root");
+ kern_sys_mount(".", "/", NULL, MS_MOVE, NULL);
+ kern_sys_chroot(".");

/*
* In case that a resume from disk is carried out by linuxrc or one of
@@ -60,22 +62,22 @@ static void __init handle_initrd(void)

pid = kernel_thread(do_linuxrc, "/linuxrc", SIGCHLD);
if (pid > 0)
- while (pid != sys_wait4(-1, NULL, 0, NULL))
+ while (pid != kern_sys_wait4(-1, NULL, 0, NULL))
yield();

current->flags &= ~PF_FREEZER_SKIP;

/* move initrd to rootfs' /old */
- sys_fchdir(old_fd);
- sys_mount("/", ".", NULL, MS_MOVE, NULL);
+ kern_sys_fchdir(old_fd);
+ kern_sys_mount("/", ".", NULL, MS_MOVE, NULL);
/* switch root and cwd back to / of rootfs */
- sys_fchdir(root_fd);
- sys_chroot(".");
- sys_close(old_fd);
- sys_close(root_fd);
+ kern_sys_fchdir(root_fd);
+ kern_sys_chroot(".");
+ kern_sys_close(old_fd);
+ kern_sys_close(root_fd);

if (new_decode_dev(real_root_dev) == Root_RAM0) {
- sys_chdir("/old");
+ kern_sys_chdir("/old");
return;
}

@@ -83,23 +85,23 @@ static void __init handle_initrd(void)
mount_root();

printk(KERN_NOTICE "Trying to move old root to /initrd ... ");
- error = sys_mount("/old", "/root/initrd", NULL, MS_MOVE, NULL);
+ error = kern_sys_mount("/old", "/root/initrd", NULL, MS_MOVE, NULL);
if (!error)
printk("okay\n");
else {
- int fd = sys_open("/dev/root.old", O_RDWR, 0);
+ int fd = kern_sys_open("/dev/root.old", O_RDWR, 0);
if (error == -ENOENT)
printk("/initrd does not exist. Ignored.\n");
else
printk("failed\n");
printk(KERN_NOTICE "Unmounting old root\n");
- sys_umount("/old", MNT_DETACH);
+ kern_sys_umount("/old", MNT_DETACH);
printk(KERN_NOTICE "Trying to free ramdisk memory ... ");
if (fd < 0) {
error = fd;
} else {
- error = sys_ioctl(fd, BLKFLSBUF, 0);
- sys_close(fd);
+ error = kern_sys_ioctl(fd, BLKFLSBUF, 0);
+ kern_sys_close(fd);
}
printk(!error ? "okay\n" : "failed\n");
}
@@ -116,11 +118,11 @@ int __init initrd_load(void)
* mounted in the normal path.
*/
if (rd_load_image("/initrd.image") && ROOT_DEV != Root_RAM0) {
- sys_unlink("/initrd.image");
+ kern_sys_unlink("/initrd.image");
handle_initrd();
return 1;
}
}
- sys_unlink("/initrd.image");
+ kern_sys_unlink("/initrd.image");
return 0;
}
diff --git a/init/do_mounts_md.c b/init/do_mounts_md.c
index 32c4799..7ac2db1 100644
--- a/init/do_mounts_md.c
+++ b/init/do_mounts_md.c
@@ -3,6 +3,7 @@
#include <linux/raid/md_p.h>

#include "do_mounts.h"
+#include "sys-wrapper.h"

/*
* When md (and any require personalities) are compiled into the kernel
@@ -170,17 +171,17 @@ static void __init md_setup_drive(void)
partitioned ? "_d" : "", minor,
md_setup_args[ent].device_names);

- fd = sys_open(name, 0, 0);
+ fd = kern_sys_open(name, 0, 0);
if (fd < 0) {
printk(KERN_ERR "md: open failed - cannot start "
"array %s\n", name);
continue;
}
- if (sys_ioctl(fd, SET_ARRAY_INFO, 0) == -EBUSY) {
+ if (kern_sys_ioctl(fd, SET_ARRAY_INFO, 0) == -EBUSY) {
printk(KERN_WARNING
"md: Ignoring md=%d, already autodetected. (Use raid=noautodetect)\n",
minor);
- sys_close(fd);
+ kern_sys_close(fd);
continue;
}

@@ -199,7 +200,7 @@ static void __init md_setup_drive(void)
ainfo.state = (1 << MD_SB_CLEAN);
ainfo.layout = 0;
ainfo.chunk_size = md_setup_args[ent].chunk;
- err = sys_ioctl(fd, SET_ARRAY_INFO, (long)&ainfo);
+ err = kern_sys_ioctl(fd, SET_ARRAY_INFO, (long)&ainfo);
for (i = 0; !err && i <= MD_SB_DISKS; i++) {
dev = devices[i];
if (!dev)
@@ -209,7 +210,7 @@ static void __init md_setup_drive(void)
dinfo.state = (1<<MD_DISK_ACTIVE)|(1<<MD_DISK_SYNC);
dinfo.major = MAJOR(dev);
dinfo.minor = MINOR(dev);
- err = sys_ioctl(fd, ADD_NEW_DISK, (long)&dinfo);
+ err = kern_sys_ioctl(fd, ADD_NEW_DISK, (long)&dinfo);
}
} else {
/* persistent */
@@ -219,11 +220,11 @@ static void __init md_setup_drive(void)
break;
dinfo.major = MAJOR(dev);
dinfo.minor = MINOR(dev);
- sys_ioctl(fd, ADD_NEW_DISK, (long)&dinfo);
+ kern_sys_ioctl(fd, ADD_NEW_DISK, (long)&dinfo);
}
}
if (!err)
- err = sys_ioctl(fd, RUN_ARRAY, 0);
+ err = kern_sys_ioctl(fd, RUN_ARRAY, 0);
if (err)
printk(KERN_WARNING "md: starting md%d failed\n", minor);
else {
@@ -232,11 +233,11 @@ static void __init md_setup_drive(void)
* boot a kernel with devfs compiled in from partitioned md
* array without it
*/
- sys_close(fd);
- fd = sys_open(name, 0, 0);
- sys_ioctl(fd, BLKRRPART, 0);
+ kern_sys_close(fd);
+ fd = kern_sys_open(name, 0, 0);
+ kern_sys_ioctl(fd, BLKRRPART, 0);
}
- sys_close(fd);
+ kern_sys_close(fd);
}
}

@@ -283,10 +284,10 @@ static void __init autodetect_raid(void)

wait_for_device_probe();

- fd = sys_open((const char __user __force *) "/dev/md0", 0, 0);
+ fd = kern_sys_open("/dev/md0", 0, 0);
if (fd >= 0) {
- sys_ioctl(fd, RAID_AUTORUN, raid_autopart);
- sys_close(fd);
+ kern_sys_ioctl(fd, RAID_AUTORUN, raid_autopart);
+ kern_sys_close(fd);
}
}

diff --git a/init/do_mounts_rd.c b/init/do_mounts_rd.c
index 6e1ee69..a622033 100644
--- a/init/do_mounts_rd.c
+++ b/init/do_mounts_rd.c
@@ -10,6 +10,7 @@
#include <linux/slab.h>

#include "do_mounts.h"
+#include "sys-wrapper.h"
#include "../fs/squashfs/squashfs_fs.h"

#include <linux/decompress/generic.h>
@@ -76,8 +77,8 @@ identify_ramdisk_image(int fd, int start_block, decompress_fn *decompressor)
/*
* Read block 0 to test for compressed kernel
*/
- sys_lseek(fd, start_block * BLOCK_SIZE, 0);
- sys_read(fd, buf, size);
+ kern_sys_lseek(fd, start_block * BLOCK_SIZE, 0);
+ kern_sys_read(fd, buf, size);

*decompressor = decompress_method(buf, size, &compress_name);
if (compress_name) {
@@ -122,8 +123,8 @@ identify_ramdisk_image(int fd, int start_block, decompress_fn *decompressor)
/*
* Read block 1 to test for minix and ext2 superblock
*/
- sys_lseek(fd, (start_block+1) * BLOCK_SIZE, 0);
- sys_read(fd, buf, size);
+ kern_sys_lseek(fd, (start_block+1) * BLOCK_SIZE, 0);
+ kern_sys_read(fd, buf, size);

/* Try minix */
if (minixsb->s_magic == MINIX_SUPER_MAGIC ||
@@ -150,7 +151,7 @@ identify_ramdisk_image(int fd, int start_block, decompress_fn *decompressor)
start_block);

done:
- sys_lseek(fd, start_block * BLOCK_SIZE, 0);
+ kern_sys_lseek(fd, start_block * BLOCK_SIZE, 0);
kfree(buf);
return nblocks;
}
@@ -168,11 +169,11 @@ int __init rd_load_image(char *from)
char rotator[4] = { '|' , '/' , '-' , '\\' };
#endif

- out_fd = sys_open((const char __user __force *) "/dev/ram", O_RDWR, 0);
+ out_fd = kern_sys_open("/dev/ram", O_RDWR, 0);
if (out_fd < 0)
goto out;

- in_fd = sys_open(from, O_RDONLY, 0);
+ in_fd = kern_sys_open(from, O_RDONLY, 0);
if (in_fd < 0)
goto noclose_input;

@@ -197,7 +198,7 @@ int __init rd_load_image(char *from)
* silly to use anything else, so make sure to use 1KiB
* blocksize while generating ext2fs ramdisk-images.
*/
- if (sys_ioctl(out_fd, BLKGETSIZE, (unsigned long)&rd_blocks) < 0)
+ if (kern_sys_ioctl(out_fd, BLKGETSIZE, (unsigned long)&rd_blocks) < 0)
rd_blocks = 0;
else
rd_blocks >>= 1;
@@ -211,7 +212,7 @@ int __init rd_load_image(char *from)
/*
* OK, time to copy in the data
*/
- if (sys_ioctl(in_fd, BLKGETSIZE, (unsigned long)&devblocks) < 0)
+ if (kern_sys_ioctl(in_fd, BLKGETSIZE, (unsigned long)&devblocks) < 0)
devblocks = 0;
else
devblocks >>= 1;
@@ -236,20 +237,20 @@ int __init rd_load_image(char *from)
if (i && (i % devblocks == 0)) {
printk("done disk #%d.\n", disk++);
rotate = 0;
- if (sys_close(in_fd)) {
+ if (kern_sys_close(in_fd)) {
printk("Error closing the disk.\n");
goto noclose_input;
}
change_floppy("disk #%d", disk);
- in_fd = sys_open(from, O_RDONLY, 0);
+ in_fd = kern_sys_open(from, O_RDONLY, 0);
if (in_fd < 0) {
printk("Error opening disk.\n");
goto noclose_input;
}
printk("Loading disk #%d... ", disk);
}
- sys_read(in_fd, buf, BLOCK_SIZE);
- sys_write(out_fd, buf, BLOCK_SIZE);
+ kern_sys_read(in_fd, buf, BLOCK_SIZE);
+ kern_sys_write(out_fd, buf, BLOCK_SIZE);
#if !defined(CONFIG_S390) && !defined(CONFIG_PPC_ISERIES)
if (!(i % 16)) {
printk("%c\b", rotator[rotate & 0x3]);
@@ -262,12 +263,12 @@ int __init rd_load_image(char *from)
successful_load:
res = 1;
done:
- sys_close(in_fd);
+ kern_sys_close(in_fd);
noclose_input:
- sys_close(out_fd);
+ kern_sys_close(out_fd);
out:
kfree(buf);
- sys_unlink((const char __user __force *) "/dev/ram");
+ kern_sys_unlink("/dev/ram");
return res;
}

@@ -286,7 +287,7 @@ static int crd_infd, crd_outfd;

static int __init compr_fill(void *buf, unsigned int len)
{
- int r = sys_read(crd_infd, buf, len);
+ int r = kern_sys_read(crd_infd, buf, len);
if (r < 0)
printk(KERN_ERR "RAMDISK: error while reading compressed data");
else if (r == 0)
@@ -296,7 +297,7 @@ static int __init compr_fill(void *buf, unsigned int len)

static int __init compr_flush(void *window, unsigned int outcnt)
{
- int written = sys_write(crd_outfd, window, outcnt);
+ int written = kern_sys_write(crd_outfd, window, outcnt);
if (written != outcnt) {
if (decompress_error == 0)
printk(KERN_ERR
diff --git a/init/initramfs.c b/init/initramfs.c
index d9c6e78..4a07af2 100644
--- a/init/initramfs.c
+++ b/init/initramfs.c
@@ -8,6 +8,7 @@
#include <linux/dirent.h>
#include <linux/syscalls.h>
#include <linux/utime.h>
+#include "sys-wrapper.h"

static __initdata char *message;
static void __init error(char *x)
@@ -271,7 +272,7 @@ static int __init maybe_link(void)
if (nlink >= 2) {
char *old = find_link(major, minor, ino, mode, collected);
if (old)
- return (sys_link(old, collected) < 0) ? -1 : 1;
+ return (kern_sys_link(old, collected) < 0) ? -1 : 1;
}
return 0;
}
@@ -280,11 +281,11 @@ static void __init clean_path(char *path, mode_t mode)
{
struct stat st;

- if (!sys_newlstat(path, &st) && (st.st_mode^mode) & S_IFMT) {
+ if (!kern_sys_newlstat(path, &st) && (st.st_mode^mode) & S_IFMT) {
if (S_ISDIR(st.st_mode))
- sys_rmdir(path);
+ kern_sys_rmdir(path);
else
- sys_unlink(path);
+ kern_sys_unlink(path);
}
}

@@ -305,28 +306,28 @@ static int __init do_name(void)
int openflags = O_WRONLY|O_CREAT;
if (ml != 1)
openflags |= O_TRUNC;
- wfd = sys_open(collected, openflags, mode);
+ wfd = kern_sys_open(collected, openflags, mode);

if (wfd >= 0) {
- sys_fchown(wfd, uid, gid);
- sys_fchmod(wfd, mode);
+ kern_sys_fchown(wfd, uid, gid);
+ kern_sys_fchmod(wfd, mode);
if (body_len)
- sys_ftruncate(wfd, body_len);
+ kern_sys_ftruncate(wfd, body_len);
vcollected = kstrdup(collected, GFP_KERNEL);
state = CopyFile;
}
}
} else if (S_ISDIR(mode)) {
- sys_mkdir(collected, mode);
- sys_chown(collected, uid, gid);
- sys_chmod(collected, mode);
+ kern_sys_mkdir(collected, mode);
+ kern_sys_chown(collected, uid, gid);
+ kern_sys_chmod(collected, mode);
dir_add(collected, mtime);
} else if (S_ISBLK(mode) || S_ISCHR(mode) ||
S_ISFIFO(mode) || S_ISSOCK(mode)) {
if (maybe_link() == 0) {
- sys_mknod(collected, mode, rdev);
- sys_chown(collected, uid, gid);
- sys_chmod(collected, mode);
+ kern_sys_mknod(collected, mode, rdev);
+ kern_sys_chown(collected, uid, gid);
+ kern_sys_chmod(collected, mode);
do_utime(collected, mtime);
}
}
@@ -336,15 +337,15 @@ static int __init do_name(void)
static int __init do_copy(void)
{
if (count >= body_len) {
- sys_write(wfd, victim, body_len);
- sys_close(wfd);
+ kern_sys_write(wfd, victim, body_len);
+ kern_sys_close(wfd);
do_utime(vcollected, mtime);
kfree(vcollected);
eat(body_len);
state = SkipIt;
return 0;
} else {
- sys_write(wfd, victim, count);
+ kern_sys_write(wfd, victim, count);
body_len -= count;
eat(count);
return 1;
@@ -355,8 +356,8 @@ static int __init do_symlink(void)
{
collected[N_ALIGN(name_len) + body_len] = '\0';
clean_path(collected, 0);
- sys_symlink(collected + N_ALIGN(name_len), collected);
- sys_lchown(collected, uid, gid);
+ kern_sys_symlink(collected + N_ALIGN(name_len), collected);
+ kern_sys_lchown(collected, uid, gid);
do_utime(collected, mtime);
state = SkipIt;
next_state = Reset;
@@ -528,31 +529,31 @@ static void __init clean_rootfs(void)
struct linux_dirent64 *dirp;
int num;

- fd = sys_open((const char __user __force *) "/", O_RDONLY, 0);
+ fd = kern_sys_open("/", O_RDONLY, 0);
WARN_ON(fd < 0);
if (fd < 0)
return;
buf = kzalloc(BUF_SIZE, GFP_KERNEL);
WARN_ON(!buf);
if (!buf) {
- sys_close(fd);
+ kern_sys_close(fd);
return;
}

dirp = buf;
- num = sys_getdents64(fd, dirp, BUF_SIZE);
+ num = kern_sys_getdents64(fd, dirp, BUF_SIZE);
while (num > 0) {
while (num > 0) {
struct stat st;
int ret;

- ret = sys_newlstat(dirp->d_name, &st);
+ ret = kern_sys_newlstat(dirp->d_name, &st);
WARN_ON_ONCE(ret);
if (!ret) {
if (S_ISDIR(st.st_mode))
- sys_rmdir(dirp->d_name);
+ kern_sys_rmdir(dirp->d_name);
else
- sys_unlink(dirp->d_name);
+ kern_sys_unlink(dirp->d_name);
}

num -= dirp->d_reclen;
@@ -560,10 +561,10 @@ static void __init clean_rootfs(void)
}
dirp = buf;
memset(buf, 0, BUF_SIZE);
- num = sys_getdents64(fd, dirp, BUF_SIZE);
+ num = kern_sys_getdents64(fd, dirp, BUF_SIZE);
}

- sys_close(fd);
+ kern_sys_close(fd);
kfree(buf);
}
#endif
@@ -590,12 +591,12 @@ static int __init populate_rootfs(void)
}
printk(KERN_INFO "rootfs image is not initramfs (%s)"
"; looks like an initrd\n", err);
- fd = sys_open((const char __user __force *) "/initrd.image",
+ fd = kern_sys_open("/initrd.image",
O_WRONLY|O_CREAT, 0700);
if (fd >= 0) {
- sys_write(fd, (char *)initrd_start,
+ kern_sys_write(fd, (char *)initrd_start,
initrd_end - initrd_start);
- sys_close(fd);
+ kern_sys_close(fd);
free_initrd();
}
#else
diff --git a/init/main.c b/init/main.c
index 94ab488..6d53cfa 100644
--- a/init/main.c
+++ b/init/main.c
@@ -68,6 +68,7 @@
#include <linux/sfi.h>
#include <linux/shmem_fs.h>
#include <linux/slab.h>
+#include "sys-wrapper.h"

#include <asm/io.h>
#include <asm/bugs.h>
@@ -893,11 +894,11 @@ static int __init kernel_init(void * unused)
do_basic_setup();

/* Open the /dev/console on the rootfs, this should never fail */
- if (sys_open((const char __user *) "/dev/console", O_RDWR, 0) < 0)
+ if (kern_sys_open("/dev/console", O_RDWR, 0) < 0)
printk(KERN_WARNING "Warning: unable to open an initial console.\n");

- (void) sys_dup(0);
- (void) sys_dup(0);
+ (void) kern_sys_dup(0);
+ (void) kern_sys_dup(0);
/*
* check if there is an early userspace init. If yes, let it do all
* the work
@@ -906,7 +907,7 @@ static int __init kernel_init(void * unused)
if (!ramdisk_execute_command)
ramdisk_execute_command = "/init";

- if (sys_access((const char __user *) ramdisk_execute_command, 0) != 0) {
+ if (kern_sys_access(ramdisk_execute_command, 0) != 0) {
ramdisk_execute_command = NULL;
prepare_namespace();
}
diff --git a/init/noinitramfs.c b/init/noinitramfs.c
index 267739d..f75ae08 100644
--- a/init/noinitramfs.c
+++ b/init/noinitramfs.c
@@ -29,17 +29,17 @@ static int __init default_rootfs(void)
{
int err;

- err = sys_mkdir((const char __user __force *) "/dev", 0755);
+ err = kern_sys_mkdir("/dev", 0755);
if (err < 0)
goto out;

- err = sys_mknod((const char __user __force *) "/dev/console",
- S_IFCHR | S_IRUSR | S_IWUSR,
- new_encode_dev(MKDEV(5, 1)));
+ err = kern_sys_mknod("/dev/console",
+ S_IFCHR | S_IRUSR | S_IWUSR,
+ new_encode_dev(MKDEV(5, 1)));
if (err < 0)
goto out;

- err = sys_mkdir((const char __user __force *) "/root", 0700);
+ err = kern_sys_mkdir("/root", 0700);
if (err < 0)
goto out;

--
1.7.2.2

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