ipv6: ignore rtnl_unicast() return code

rtnl_unicast() return value is not of interest, we can silently ignore
it, save some instructions and four byte on the stack.

Signed-off-by: Hagen Paul Pfeifer <hagen@jauu.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 0e1d53b..618f67c 100644 (file)
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -1039,7 +1039,6 @@ static void ip6mr_cache_resolve(struct net *net, struct mr6_table *mrt,
 
        while((skb = __skb_dequeue(&uc->mfc_un.unres.unresolved))) {
                if (ipv6_hdr(skb)->version == 0) {
-                       int err;
                        struct nlmsghdr *nlh = (struct nlmsghdr *)skb_pull(skb, sizeof(struct ipv6hdr));
 
                        if (__ip6mr_fill_mroute(mrt, skb, c, NLMSG_DATA(nlh)) > 0) {
@@ -1050,7 +1049,7 @@ static void ip6mr_cache_resolve(struct net *net, struct mr6_table *mrt,
                                skb_trim(skb, nlh->nlmsg_len);
                                ((struct nlmsgerr *)NLMSG_DATA(nlh))->error = -EMSGSIZE;
                        }
-                       err = rtnl_unicast(skb, net, NETLINK_CB(skb).pid);
+                       rtnl_unicast(skb, net, NETLINK_CB(skb).pid);
                } else
                        ip6_mr_forward(net, mrt, skb, c);
        }