linux-kernel - [PATCH v2] net: fix warning in af

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Message-Id: <1539669446-51996-1-git-send-email-kyeongdon.kim@lge.com>
Date:   Tue, 16 Oct 2018 14:57:26 +0900
From:   Kyeongdon Kim <kyeongdon.kim@....com>
To:     davem@...emloft.net, ktkhai@...tuozzo.com, viro@...iv.linux.org.uk,
        garsilva@...eddedor.com, jbaron@...mai.com, dvlasenk@...hat.com,
        xiyou.wangcong@...il.com
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        kyeongdon.kim@....com
Subject: [PATCH v2] net: fix warning in af_unix

This fixes the "'hash' may be used uninitialized in this function"

net/unix/af_unix.c:1041:20: warning: 'hash' may be used uninitialized in this function [-Wmaybe-uninitialized]
  addr->hash = hash ^ sk->sk_type;

Signed-off-by: Kyeongdon Kim <kyeongdon.kim@....com>
---
 net/unix/af_unix.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index d1edfa3..98d34fb 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -225,6 +225,8 @@ static inline void unix_release_addr(struct unix_address *addr)
 
 static int unix_mkname(struct sockaddr_un *sunaddr, int len, unsigned int *hashp)
 {
+	*hashp = 0;
+
 	if (len <= sizeof(short) || len > sizeof(*sunaddr))
 		return -EINVAL;
 	if (!sunaddr || sunaddr->sun_family != AF_UNIX)
-- 
2.6.2