[Bridge] [PATCH net-next v4 2/2] bridge: vlan: signal if anything changed on vlan add
Toshiaki Makita
makita.toshiaki at lab.ntt.co.jp
Thu Oct 26 10:16:27 UTC 2017
On 2017/10/26 7:52, Nikolay Aleksandrov wrote:
...
> @@ -559,6 +574,7 @@ int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags)
>
> ASSERT_RTNL();
>
> + *changed = false;
> vg = br_vlan_group(br);
> vlan = br_vlan_find(vg, vid);
> if (vlan) {
> @@ -576,9 +592,12 @@ int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags)
> refcount_inc(&vlan->refcnt);
> vlan->flags |= BRIDGE_VLAN_INFO_BRENTRY;
> vg->num_vlans++;
> + *changed = true;
> }
> - __vlan_add_flags(vlan, flags);
> - return 0;
> + if (__vlan_add_flags(vlan, flags))
> + *changed = true;
> +
> + return ret;
"ret" isn't always initialized here, is it?
Toshiaki Makita
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