netdev - [PATCH net-next 4/6] tcp_metrics: Remove the unused return code from tcp_metrics_flush

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Message-ID: <87ioeayqfp.fsf_-_@x220.int.ebiederm.org>
Date:	Mon, 09 Mar 2015 13:30:02 -0500
From:	ebiederm@...ssion.com (Eric W. Biederman)
To:	David Miller <davem@...emloft.net>
Cc:	edumazet@...gle.com, netdev@...r.kernel.org,
	stephen@...workplumber.org, nicolas.dichtel@...nd.com,
	roopa@...ulusnetworks.com, hannes@...essinduktion.org,
	ddutt@...ulusnetworks.com, vipin@...ulusnetworks.com,
	shmulik.ladkani@...il.com, dsahern@...il.com
Subject: [PATCH net-next 4/6] tcp_metrics: Remove the unused return code from tcp_metrics_flush_all


tcp_metrics_flush_all always returns 0.  Remove the unnecessary return code.

Signed-off-by: "Eric W. Biederman" <ebiederm@...ssion.com>
---
 net/ipv4/tcp_metrics.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/net/ipv4/tcp_metrics.c b/net/ipv4/tcp_metrics.c
index 4ec02d6cab5b..e98c6e9770c1 100644
--- a/net/ipv4/tcp_metrics.c
+++ b/net/ipv4/tcp_metrics.c
@@ -1038,7 +1038,7 @@ out_free:
 
 #define deref_genl(p)	rcu_dereference_protected(p, lockdep_genl_is_held())
 
-static int tcp_metrics_flush_all(struct net *net)
+static void tcp_metrics_flush_all(struct net *net)
 {
 	unsigned int max_rows = 1U << net->ipv4.tcp_metrics_hash_log;
 	struct tcpm_hash_bucket *hb = net->ipv4.tcp_metrics_hash;
@@ -1059,7 +1059,6 @@ static int tcp_metrics_flush_all(struct net *net)
 			tm = next;
 		}
 	}
-	return 0;
 }
 
 static int tcp_metrics_nl_cmd_del(struct sk_buff *skb, struct genl_info *info)
@@ -1076,8 +1075,10 @@ static int tcp_metrics_nl_cmd_del(struct sk_buff *skb, struct genl_info *info)
 	ret = parse_nl_addr(info, &daddr, &hash, 1);
 	if (ret < 0)
 		return ret;
-	if (ret > 0)
-		return tcp_metrics_flush_all(net);
+	if (ret > 0) {
+		tcp_metrics_flush_all(net);
+		return 0;
+	}
 	ret = parse_nl_saddr(info, &saddr);
 	if (ret < 0)
 		src = false;
-- 
2.2.1

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