author: Jeff Layton <jlayton@redhat.com> 2012-12-11 12:10:15 -0500
committer: Al Viro <viro@zeniv.linux.org.uk> 2012-12-20 18:50:09 -0500
commit: 49e09e1cc576daa99ea22f3a3c699062c34f8c0f
parent: 68f1bb8bb89e0bb813c893a42373a26ebdab7f9c
Commit Summary:
Diffstat:
1 file changed, 7 insertions, 1 deletion
diff --git a/fs/xattr.c b/fs/xattr.c
index c5e90d2d751f..74d36e063c8d 100644
--- a/fs/xattr.c
+++ b/fs/xattr.c
@@ -394,8 +394,9 @@ SYSCALL_DEFINE5(lsetxattr, const char __user *, pathname,
{
struct path path;
int error;
-
- error = user_lpath(pathname, &path);
+ unsigned int lookup_flags = 0;
+retry:
+ error = user_path_at(AT_FDCWD, pathname, lookup_flags, &path);
if (error)
return error;
error = mnt_want_write(path.mnt);
@@ -404,6 +405,10 @@ SYSCALL_DEFINE5(lsetxattr, const char __user *, pathname,
mnt_drop_write(path.mnt);
}
path_put(&path);
+ if (retry_estale(error, lookup_flags)) {
+ lookup_flags |= LOOKUP_REVAL;
+ goto retry;
+ }
return error;
}