net/ipv4: avoid compile error in fib_info_nh_uses_dev

edumazet · davem330 · commit 075e264fa33e · 2018-09-21T19:41:30.000-07:00
net/ipv4/fib_frontend.c: In function 'fib_info_nh_uses_dev': net/ipv4/fib_frontend.c:322:6: error: unused variable 'ret' [-Werror=unused-variable] cc1: all warnings being treated as errors Fixes: 78f2756 ("net/ipv4: Move device validation to helper") Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: David Ahern <dsahern@gmail.com> Reviewed-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
@@ -318,9 +318,9 @@ __be32 fib_compute_spec_dst(struct sk_buff *skb)
 bool fib_info_nh_uses_dev(struct fib_info *fi, const struct net_device *dev)
 {
 	bool dev_match = false;
+#ifdef CONFIG_IP_ROUTE_MULTIPATH
 	int ret;
 
-#ifdef CONFIG_IP_ROUTE_MULTIPATH
 	for (ret = 0; ret < fi->fib_nhs; ret++) {
 		struct fib_nh *nh = &fi->fib_nh[ret];
 

Original file line number	Diff line number	Diff line change
`@@ -318,9 +318,9 @@ __be32 fib_compute_spec_dst(struct sk_buff *skb)`
`318`	`318`	`bool fib_info_nh_uses_dev(struct fib_info fi, const struct net_device dev)`
`319`	`319`	`{`
`320`	`320`	`bool dev_match = false;`
	`321`	`+#ifdef CONFIG_IP_ROUTE_MULTIPATH`
`321`	`322`	`int ret;`
`322`	`323`
`323`		`-#ifdef CONFIG_IP_ROUTE_MULTIPATH`
`324`	`324`	`for (ret = 0; ret < fi->fib_nhs; ret++) {`
`325`	`325`	`struct fib_nh *nh = &fi->fib_nh[ret];`
`326`	`326`