Re: [PATCH net-next v4 2/2] bridge: vlan: signal if anything changed on vlan add

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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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