author: Al Viro <viro@zeniv.linux.org.uk> 2011-11-25 00:50:41 -0500
committer: Al Viro <viro@zeniv.linux.org.uk> 2012-01-03 22:57:10 -0500
commit: 15169fe784a9846b24cdb0840329d41aebc23249
parent: 143c8c91cee7efdd732ec5f61b3471fc46192f20
Commit Summary:
Diffstat:
1 file changed, 3 insertions, 1 deletion
diff --git a/fs/fhandle.c b/fs/fhandle.c
index 6b088641f5bf..5eff7116951e 100644
--- a/fs/fhandle.c
+++ b/fs/fhandle.c
@@ -10,6 +10,7 @@
#include <linux/personality.h>
#include <asm/uaccess.h>
#include "internal.h"
+#include "mount.h"
static long do_sys_name_to_handle(struct path *path,
struct file_handle __user *ufh,
@@ -66,7 +67,8 @@ static long do_sys_name_to_handle(struct path *path,
} else
retval = 0;
/* copy the mount id */
- if (copy_to_user(mnt_id, &path->mnt->mnt_id, sizeof(*mnt_id)) ||
+ if (copy_to_user(mnt_id, &real_mount(path->mnt)->mnt_id,
+ sizeof(*mnt_id)) ||
copy_to_user(ufh, handle,
sizeof(struct file_handle) + handle_bytes))
retval = -EFAULT;