[PATCH -next] cifs: use PTR_ERR_OR_ZERO() to simplify code

[Chen Zhou <chenzhou10@xxxxxxxxxx>]

PTR_ERR_OR_ZERO contains if(IS_ERR(...)) + PTR_ERR, just use
PTR_ERR_OR_ZERO directly.

Signed-off-by: Chen Zhou <chenzhou10@xxxxxxxxxx>
---
 fs/cifs/dfs_cache.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/cifs/dfs_cache.c b/fs/cifs/dfs_cache.c
index 751c2fc..43c1b43 100644
--- a/fs/cifs/dfs_cache.c
+++ b/fs/cifs/dfs_cache.c
@@ -662,7 +662,7 @@ static int __dfs_cache_find(const unsigned int xid, struct cifs_ses *ses,
 	 */
 	if (noreq) {
 		up_read(&htable_rw_lock);
-		return IS_ERR(ce) ? PTR_ERR(ce) : 0;
+		return PTR_ERR_OR_ZERO(ce);
 	}
 
 	if (!IS_ERR(ce)) {
-- 
2.7.4