netdev - [PATCH net-next 2/9] net: Remove e_inval label from ip_route_input

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Message-Id: <1442962523-3974-3-git-send-email-dsa@cumulusnetworks.com>
Date:	Tue, 22 Sep 2015 15:55:16 -0700
From:	David Ahern <dsa@...ulusnetworks.com>
To:	netdev@...r.kernel.org
Cc:	David Ahern <dsa@...ulusnetworks.com>
Subject: [PATCH net-next 2/9] net: Remove e_inval label from ip_route_input_slow

e_inval has 1 explicit user and 1 fallthrough user -- martian_destination.
Move setting err to EINVAL before the 2 users and use the goto out label
instead of e_inval.

Signed-off-by: David Ahern <dsa@...ulusnetworks.com>
---
 net/ipv4/route.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index ef36dfed24da..3c5000db5972 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1775,8 +1775,9 @@ static int ip_route_input_slow(struct sk_buff *skb, __be32 daddr, __be32 saddr,
 out:	return err;
 
 brd_input:
+	err = -EINVAL;
 	if (skb->protocol != htons(ETH_P_IP))
-		goto e_inval;
+		goto out;
 
 	if (!ipv4_is_zeronet(saddr)) {
 		err = fib_validate_source(skb, saddr, 0, tos, 0, dev,
@@ -1842,15 +1843,13 @@ out:	return err;
 	 *	Do not cache martian addresses: they should be logged (RFC1812)
 	 */
 martian_destination:
+	err = -EINVAL;
 	RT_CACHE_STAT_INC(in_martian_dst);
 #ifdef CONFIG_IP_ROUTE_VERBOSE
 	if (IN_DEV_LOG_MARTIANS(in_dev))
 		net_warn_ratelimited("martian destination %pI4 from %pI4, dev %s\n",
 				     &daddr, &saddr, dev->name);
 #endif
-
-e_inval:
-	err = -EINVAL;
 	goto out;
 
 e_nobufs:
-- 
1.9.1

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