netdev - RE: [PATCH] ipvs: Remove unused variable "cs" from ip_vs

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Message-ID: <C8A6796DE7C66C4ABCBC18106CB6C1CC106D903183@ESESSCMS0356.eemea.ericsson.se>
Date:	Wed, 19 Oct 2011 11:23:54 +0200
From:	Hans Schillström 
	<hans.schillstrom@...csson.com>
To:	Krzysztof Wilczynski <krzysztof.wilczynski@...ux.com>,
	Simon Horman <horms@...ge.net.au>
CC:	Patrick McHardy <kaber@...sh.net>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: RE: [PATCH] ipvs: Remove unused variable "cs" from ip_vs_leave
 function.

Hello
>This is to address the following warning during compilation time:
>
>  net/netfilter/ipvs/ip_vs_core.c: In function ‘ip_vs_leave’:
>  net/netfilter/ipvs/ip_vs_core.c:532: warning: unused variable ‘cs’
>
>This variable is indeed no longer in use.
>
>Signed-off-by: Krzysztof Wilczynski <krzysztof.wilczynski@...ux.com>

In my code there is another fix needed as well (todays net-next)
i.e.  usage od cs  "cs = ip_vs_set_state(cp, IP_VS_DIR_INPUT, skb, pd)"


diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
index 4f77bb1..a4ef9c6 100644
--- a/net/netfilter/ipvs/ip_vs_core.c
+++ b/net/netfilter/ipvs/ip_vs_core.c
@@ -530,7 +530,7 @@ int ip_vs_leave(struct ip_vs_service *svc, struct sk_buff *skb,
           a cache_bypass connection entry */
        ipvs = net_ipvs(net);
        if (ipvs->sysctl_cache_bypass && svc->fwmark && unicast) {
-               int ret, cs;
+               int ret;
                struct ip_vs_conn *cp;
                unsigned int flags = (svc->flags & IP_VS_SVC_F_ONEPACKET &&
                                      iph.protocol == IPPROTO_UDP)?
@@ -557,7 +557,7 @@ int ip_vs_leave(struct ip_vs_service *svc, struct sk_buff *skb,
                ip_vs_in_stats(cp, skb);
 
                /* set state */
-               cs = ip_vs_set_state(cp, IP_VS_DIR_INPUT, skb, pd);
+               ip_vs_set_state(cp, IP_VS_DIR_INPUT, skb, pd);
 
                /* transmit the first SYN packet */
                ret = cp->packet_xmit(skb, cp, pd->pp);

>---
> net/netfilter/ipvs/ip_vs_core.c |    2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
>diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
>index 00ea1ad..4f7d89d 100644
>--- a/net/netfilter/ipvs/ip_vs_core.c
>+++ b/net/netfilter/ipvs/ip_vs_core.c
>@@ -529,7 +529,7 @@ int ip_vs_leave(struct ip_vs_service *svc, struct sk_buff *skb,
>           a cache_bypass connection entry */
>        ipvs = net_ipvs(net);
>        if (ipvs->sysctl_cache_bypass && svc->fwmark && unicast) {
>-               int ret, cs;
>+               int ret;
>                struct ip_vs_conn *cp;
>                unsigned int flags = (svc->flags & IP_VS_SVC_F_ONEPACKET &&
>                                      iph.protocol == IPPROTO_UDP)?
>--
>1.7.7

Regards
Hans Schillstrom <hans.schillstrom@...csson.com>
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