ovl: Return -ENOMEM if an allocation fails ovl_lookup()
authorDan Carpenter <dan.carpenter@oracle.com>
Fri, 22 Sep 2017 20:45:18 +0000 (23:45 +0300)
committerMiklos Szeredi <mszeredi@redhat.com>
Thu, 19 Oct 2017 14:19:52 +0000 (16:19 +0200)
commit0ce5cdc9d79277e55c3d80bf7d2b1adea2752078
tree63a093a0e017fd8064ee8a98de5f383593dcf42a
parentb3885bd6edb41b91a0e3976469f72ae31bfb8d95
ovl: Return -ENOMEM if an allocation fails ovl_lookup()

The error code is missing here so it means we return ERR_PTR(0) or NULL.
The other error paths all return an error code so this probably should
as well.

Fixes: 02b69b284cd7 ("ovl: lookup redirects")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Chandan Rajendra <chandan@linux.vnet.ibm.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
fs/overlayfs/namei.c