nl80211: delete interface from bridge before removing the interface

[Jouni Malinen]

On Sat, Oct 10, 2015 at 09:24:30PM +0300, Yoel D. wrote:
> I've encountered the following error during hostapd shutdown process:
> 
>     hostapd: nl80211: Failed to remove interface wlan0-1 from bridge
> br0: No such device
> 
> I think that this error occurs because the function
> wpa_driver_nl80211_if_remove() removes the specified interface from
> the host via the function nl80211_remove_iface() before deleting it
> from the bridge via the function linux_br_del_if().
> 
> Thus, when the function linux_br_del_if() is finally invoked in the
> next few lines of code, the aforementioned error is raised since the
> interface no longer exists.

Does this cause any real issue to functionality apart from seeing that
entry in debug log? I'm pretty sure this is not the only case where
similar debug entries can be seen since the operation is not really
needed in some cases.

-- 
Jouni Malinen                                            PGP id EFC895FA