bridge: remove unnecessary condition judgment

Because err is always negative, remove unnecessary condition
judgment.

Signed-off-by: Tan Xiaojun <tanxiaojun@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c
index 33e8f23..c5f5a4a 100644
--- a/net/bridge/br_fdb.c
+++ b/net/bridge/br_fdb.c
@@ -570,8 +570,7 @@
 	rtnl_notify(skb, net, 0, RTNLGRP_NEIGH, NULL, GFP_ATOMIC);
 	return;
 errout:
-	if (err < 0)
-		rtnl_set_sk_err(net, RTNLGRP_NEIGH, err);
+	rtnl_set_sk_err(net, RTNLGRP_NEIGH, err);
 }
 
 /* Dump information about entries, in response to GETNEIGH */
diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c
index c2fd6bc..6526ac8 100644
--- a/net/bridge/br_netlink.c
+++ b/net/bridge/br_netlink.c
@@ -195,8 +195,7 @@
 	rtnl_notify(skb, net, 0, RTNLGRP_LINK, NULL, GFP_ATOMIC);
 	return;
 errout:
-	if (err < 0)
-		rtnl_set_sk_err(net, RTNLGRP_LINK, err);
+	rtnl_set_sk_err(net, RTNLGRP_LINK, err);
 }