Re: [PATCH 4.7 FIX] brcmfmac: fix lockup when removing P2P interface after event timeout

[RafaÅ MiÅecki]

On 16 June 2016 at 17:10, Kalle Valo <kvalo@xxxxxxxxxxxxxx> wrote:
> RafaÅ MiÅecki <zajec5@xxxxxxxxx> writes:
>
>> Removing P2P interface is handled by sending a proper request to the
>> firmware. On success firmware triggers an event and driver's handler
>> removes a matching interface.
>>
>> However on event timeout we remove interface directly from the cfg80211
>> callback. Current code doesn't handle this case correctly as it always
>> assumes rtnl to be unlocked.
>>
>> Fix it by adding an extra rtnl_locked parameter to functions and calling
>> unregister_netdevice when needed.
>>
>> Signed-off-by: RafaÅ MiÅecki <zajec5@xxxxxxxxx>
>
> Failed to apply, please rebase:
>
> Applying: brcmfmac: fix lockup when removing P2P interface after event timeout
> Using index info to reconstruct a base tree...
> Falling back to patching base and 3-way merge...
> Auto-merging drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c
> Auto-merging drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.h
> CONFLICT (content): Merge conflict in drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.h
> Auto-merging drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
> Auto-merging drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
> Failed to merge in the changes.
> Patch failed at 0001 brcmfmac: fix lockup when removing P2P interface after event timeout

What tree did you try it on?

I just went into a dir where I have cloned:
git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers.git

My HEAD commit is:
034fdd4 Merge ath-current from ath.git

And I can apply this patch cleanly doing:
curl https://patchwork.kernel.org/patch/9138925/mbox/ | git am

-- 
RafaÅ