From: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Date: Thu, 19 Oct 2017 20:17:32 +0300
Subject: net: bridge: fix returning of vlan range op errors
Git-commit: 66c54517540cedf5a22911c6b7f5c7d8b5d1e1be
Patch-mainline: v4.14-rc6
References: networking-stable-17_11_14

When vlan tunnels were introduced, vlan range errors got silently
dropped and instead 0 was returned always. Restore the previous
behaviour and return errors to user-space.

Fixes: efa5356b0d97 ("bridge: per vlan dst_metadata netlink support")
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Acked-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
---
 net/bridge/br_netlink.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/net/bridge/br_netlink.c
+++ b/net/bridge/br_netlink.c
@@ -573,7 +573,7 @@ static int br_process_vlan_info(struct n
 		}
 		*vinfo_last = NULL;
 
-		return 0;
+		return err;
 	}
 
 	return br_vlan_info(br, p, cmd, vinfo_curr);