init: mark __user address space on string literals

When calling syscall service routines in kernel, some of arguments should
be user pointers but were missing __user markup on string literals.  Add
it.  Removes some sparse warnings.

Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Cc: Phillip Lougher <phillip@lougher.demon.co.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/init/do_mounts.c b/init/do_mounts.c
index 62a47eafa8e9..830aaec9c7d5 100644
--- a/init/do_mounts.c
+++ b/init/do_mounts.c
@@ -291,7 +291,7 @@ static int __init do_mount_root(char *name, char *fs, int flags, void *data)
         if (err)
                 return err;
 
-        sys_chdir("/root");
+        sys_chdir((const char __user __force *)"/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,
@@ -488,5 +488,5 @@ void __init prepare_namespace(void)
 out:
         devtmpfs_mount("dev");
         sys_mount(".", "/", NULL, MS_MOVE, NULL);
-        sys_chroot(".");
+        sys_chroot((const char __user __force *)".");
 }