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[08/16] ipvs: fix ip_vs_set_timeout debug messages

Message ID 1349448930-23976-9-git-send-email-arnd@arndb.de
State New
Headers show

Commit Message

Arnd Bergmann Oct. 5, 2012, 2:55 p.m. UTC 
The ip_vs_set_timeout function sets timeouts for TCP and UDP, which
can be enabled independently at compile time. The debug message
always prints both timeouts that are passed into the function,
but if one is disabled, the message will show uninitialized data.

This splits the debug message into two separte IP_VS_DBG statements
that are in the same #ifdef section to ensure we only print the
text about what is actually going on.

Without this patch, building ARM ixp4xx_defconfig results in:

net/netfilter/ipvs/ip_vs_ctl.c: In function 'ip_vs_genl_set_cmd':
net/netfilter/ipvs/ip_vs_ctl.c:2238:47: warning: 't.udp_timeout' may be used uninitialized in this function [-Wuninitialized]
net/netfilter/ipvs/ip_vs_ctl.c:3322:28: note: 't.udp_timeout' was declared here
net/netfilter/ipvs/ip_vs_ctl.c:2238:47: warning: 't.tcp_fin_timeout' may be used uninitialized in this function [-Wuninitialized]
net/netfilter/ipvs/ip_vs_ctl.c:3322:28: note: 't.tcp_fin_timeout' was declared here
net/netfilter/ipvs/ip_vs_ctl.c:2238:47: warning: 't.tcp_timeout' may be used uninitialized in this function [-Wuninitialized]
net/netfilter/ipvs/ip_vs_ctl.c:3322:28: note: 't.tcp_timeout' was declared here

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: David S. Miller <davem@davemloft.net>
Cc: netdev@vger.kernel.org
Cc: Simon Horman <horms@verge.net.au>
Cc: Julian Anastasov <ja@ssi.bg>
Cc: netfilter-devel@vger.kernel.org
Cc: netfilter@vger.kernel.org
Cc: coreteam@netfilter.org
---
 net/netfilter/ipvs/ip_vs_ctl.c |   10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)
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Patch

diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index f51013c..f3a66c3 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -2237,12 +2237,11 @@  static int ip_vs_set_timeout(struct net *net, struct ip_vs_timeout_user *u)
 	struct ip_vs_proto_data *pd;
 #endif
 
-	IP_VS_DBG(2, "Setting timeout tcp:%d tcpfin:%d udp:%d\n",
+#ifdef CONFIG_IP_VS_PROTO_TCP
+	IP_VS_DBG(2, "Setting timeout tcp:%d tcpfin:%d\n",
 		  u->tcp_timeout,
-		  u->tcp_fin_timeout,
-		  u->udp_timeout);
+		  u->tcp_fin_timeout);
 
-#ifdef CONFIG_IP_VS_PROTO_TCP
 	if (u->tcp_timeout) {
 		pd = ip_vs_proto_data_get(net, IPPROTO_TCP);
 		pd->timeout_table[IP_VS_TCP_S_ESTABLISHED]
@@ -2257,6 +2256,9 @@  static int ip_vs_set_timeout(struct net *net, struct ip_vs_timeout_user *u)
 #endif
 
 #ifdef CONFIG_IP_VS_PROTO_UDP
+	IP_VS_DBG(2, "Setting timeout udp:%d\n",
+		  u->udp_timeout);
+
 	if (u->udp_timeout) {
 		pd = ip_vs_proto_data_get(net, IPPROTO_UDP);
 		pd->timeout_table[IP_VS_UDP_S_NORMAL]