DL-Mirrors/kernel-tenderloin-3.0
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init: mark __user address space on string literals

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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>
This commit is contained in:
Namhyung Kim
2010-10-26 14:22:42 -07:00
committed by Linus Torvalds
parent f0cfec1118
commit 562f5e638d
5 changed files with 11 additions and 10 deletions
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5
init/initramfs.c
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@@ -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);