linux-kernel - [PATCH net-next] ceph: remove unnecessary non NULL check for request

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Date:   Tue, 7 Aug 2018 21:02:34 +0800
From:   YueHaibing <yuehaibing@...wei.com>
To:     <davem@...emloft.net>, <idryomov@...il.com>, <zyan@...hat.com>,
        <sage@...hat.com>
CC:     <linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>,
        <ceph-devel@...r.kernel.org>, YueHaibing <yuehaibing@...wei.com>
Subject: [PATCH net-next] ceph: remove unnecessary non NULL check for request_key

request_key never return NULL,so no need do non-NULL check.

Signed-off-by: YueHaibing <yuehaibing@...wei.com>
---
 net/ceph/ceph_common.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/ceph/ceph_common.c b/net/ceph/ceph_common.c
index 584fdbe..9834edc 100644
--- a/net/ceph/ceph_common.c
+++ b/net/ceph/ceph_common.c
@@ -304,7 +304,7 @@ static int get_secret(struct ceph_crypto_key *dst, const char *name) {
 	struct ceph_crypto_key *ckey;
 
 	ukey = request_key(&key_type_ceph, name, NULL);
-	if (!ukey || IS_ERR(ukey)) {
+	if (IS_ERR(ukey)) {
 		/* request_key errors don't map nicely to mount(2)
 		   errors; don't even try, but still printk */
 		key_err = PTR_ERR(ukey);
-- 
2.7.0