netdev - [PATCH net-next] tipc: fix return value check in tipc_mcast_send

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Date:   Thu, 21 Mar 2019 08:58:10 +0000
From:   Wei Yongjun <weiyongjun1@...wei.com>
To:     Jon Maloy <jon.maloy@...csson.com>,
        Ying Xue <ying.xue@...driver.com>,
        Hoang Le <hoang.h.le@...tech.com.au>
CC:     Wei Yongjun <weiyongjun1@...wei.com>, <netdev@...r.kernel.org>,
        <tipc-discussion@...ts.sourceforge.net>,
        <kernel-janitors@...r.kernel.org>
Subject: [PATCH net-next] tipc: fix return value check in tipc_mcast_send_sync()

Fix the return value check which testing the wrong variable
in tipc_mcast_send_sync().

Fixes: c55c8edafa91 ("tipc: smooth change between replicast and broadcast")
Signed-off-by: Wei Yongjun <weiyongjun1@...wei.com>
---
 net/tipc/bcast.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/tipc/bcast.c b/net/tipc/bcast.c
index 5264a8ff6e01..a41c0fa9c650 100644
--- a/net/tipc/bcast.c
+++ b/net/tipc/bcast.c
@@ -329,7 +329,7 @@ static int tipc_mcast_send_sync(struct net *net, struct sk_buff *skb,
 
 	/* Allocate dummy message */
 	_skb = tipc_buf_acquire(MCAST_H_SIZE, GFP_KERNEL);
-	if (!skb)
+	if (!_skb)
 		return -ENOMEM;
 
 	/* Preparing for 'synching' header */