fs: cifs: Drop unlikely before IS_ERR(_OR_NULL)

IS_ERR(_OR_NULL) already contain an 'unlikely' compiler flag,
so no need to do that again from its callers. Drop it.

Cc: linux-cifs@vger.kernel.org
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Paulo Alcantara <palcantara@suse.de>

fs/cifs/dfs_cache.c

@@ -492,7 +492,7 @@ static struct dfs_cache_entry *__find_cache_entry(unsigned int hash,
 #ifdef CONFIG_CIFS_DEBUG2
 			char *name = get_tgt_name(ce);
 
-			if (unlikely(IS_ERR(name))) {
+			if (IS_ERR(name)) {
 				rcu_read_unlock();
 				return ERR_CAST(name);
 			}