Fix to return PTR_ERR() error code from the error handling case instead
fo 0 in function alloc_wbufs(), as done elsewhere in this function.
Fixes: 6a98bc4614de ("ubifs: Add authentication nodes to journal")
Signed-off-by: Wang ShaoBo <bobo.shaobowang@huawei.com>
Reviewed-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Richard Weinberger <richard@nod.at>
                c->jheads[i].wbuf.jhead = i;
                c->jheads[i].grouped = 1;
                c->jheads[i].log_hash = ubifs_hash_get_desc(c);
-               if (IS_ERR(c->jheads[i].log_hash))
+               if (IS_ERR(c->jheads[i].log_hash)) {
+                       err = PTR_ERR(c->jheads[i].log_hash);
                        goto out;
+               }
        }
 
        /*