From: Pavel Machek <pavel@ucw.cz>
Date: Wed, 24 Jul 2019 20:56:37 +0000 (-0700)
Subject: net/ipv4: cleanup error condition testing
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=c7148c03db80e44da7197ec5f558f630333c5cad;p=openwrt%2Fstaging%2Fblogic.git

net/ipv4: cleanup error condition testing

Cleanup testing for error condition.

Signed-off-by: Pavel Machek <pavel@denx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/ipv4/inet_fragment.c b/net/ipv4/inet_fragment.c
index d666756be5f1..a999451345f9 100644
--- a/net/ipv4/inet_fragment.c
+++ b/net/ipv4/inet_fragment.c
@@ -331,7 +331,7 @@ struct inet_frag_queue *inet_frag_find(struct fqdir *fqdir, void *key)
 	prev = rhashtable_lookup(&fqdir->rhashtable, key, fqdir->f->rhash_params);
 	if (!prev)
 		fq = inet_frag_create(fqdir, key, &prev);
-	if (prev && !IS_ERR(prev)) {
+	if (!IS_ERR_OR_NULL(prev)) {
 		fq = prev;
 		if (!refcount_inc_not_zero(&fq->refcnt))
 			fq = NULL;