author: Jeff Layton <jlayton@redhat.com> 2012-12-11 12:10:17 -0500
committer: Al Viro <viro@zeniv.linux.org.uk> 2012-12-20 18:50:10 -0500
commit: 12f06212990400db1b54bd7b49b7f6f5f1b32469
parent: bd9bbc9842bde1b14046cdbda1153f0d49061135
Commit Summary:
Diffstat:
1 file changed, 7 insertions, 1 deletion
diff --git a/fs/xattr.c b/fs/xattr.c
index 49d09e158809..4caa8efeada3 100644
--- a/fs/xattr.c
+++ b/fs/xattr.c
@@ -645,8 +645,9 @@ SYSCALL_DEFINE2(removexattr, const char __user *, pathname,
{
struct path path;
int error;
-
- error = user_path(pathname, &path);
+ unsigned int lookup_flags = LOOKUP_FOLLOW;
+retry:
+ error = user_path_at(AT_FDCWD, pathname, lookup_flags, &path);
if (error)
return error;
error = mnt_want_write(path.mnt);
@@ -655,6 +656,10 @@ SYSCALL_DEFINE2(removexattr, 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;
}