Rafał Miłecki <zaj...@gmail.com> writes:

> On 16 June 2016 at 17:10, Kalle Valo <kv...@codeaurora.org> wrote:
>> Rafał Miłecki <zaj...@gmail.com> 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: Rafał Miłecki <zaj...@gmail.com>
>>
>> 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

I was trying to apply this to wireless-drivers-next. I didn't get a
confirmation from Arend and I didn't consider the fix important enough
for 4.7. But of course I can reconsider if needed.

-- 
Kalle Valo

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