[NETLINK]: Mark attribute construction exception unlikely
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/netlink.h b/include/linux/netlink.h
index d5bfaba..2aee0f5 100644
--- a/include/linux/netlink.h
+++ b/include/linux/netlink.h
@@ -245,7 +245,7 @@
}
#define NLMSG_NEW(skb, pid, seq, type, len, flags) \
-({ if (skb_tailroom(skb) < (int)NLMSG_SPACE(len)) \
+({ if (unlikely(skb_tailroom(skb) < (int)NLMSG_SPACE(len))) \
goto nlmsg_failure; \
__nlmsg_put(skb, pid, seq, type, len, flags); })