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, 3 insertions, 2 deletions

diff --git a/init/initramfs.c b/init/initramfs.c
index 4b9c20205092..d9c6e782ff53 100644
--- a/init/initramfs.c
+++ b/init/initramfs.c
@@ -528,7 +528,7 @@ static void __init clean_rootfs(void)
         struct linux_dirent64 *dirp;
         int num;
 
-        fd = sys_open("/", O_RDONLY, 0);
+        fd = sys_open((const char __user __force *) "/", O_RDONLY, 0);
         WARN_ON(fd < 0);
         if (fd < 0)
                 return;
@@ -590,7 +590,8 @@ static int __init populate_rootfs(void)
                 }
                 printk(KERN_INFO "rootfs image is not initramfs (%s)"
                                 "; looks like an initrd\n", err);
-                fd = sys_open("/initrd.image", O_WRONLY|O_CREAT, 0700);
+                fd = sys_open((const char __user __force *) "/initrd.image",
+                              O_WRONLY|O_CREAT, 0700);
                 if (fd >= 0) {
                         sys_write(fd, (char *)initrd_start,
                                         initrd_end - initrd_start);