From: Hans de Goede <hdegoede@redhat.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Udo van den Heuvel <udovdh@xs4all.nl>, linux-kernel@vger.kernel.org
Subject: Re: pwc driver bugs
Date: Thu, 24 May 2012 21:10:08 +0200 [thread overview]
Message-ID: <4FBE8790.6000000@redhat.com> (raw)
In-Reply-To: <20120524165638.0ade5a6f@pyramind.ukuu.org.uk>
Alan,
Thanks for adding me to the CC on this. Udo, I've
responded to your bugs in bugzilla.
Regards,
Hans
On 05/24/2012 05:56 PM, Alan Cox wrote:
> On Thu, 24 May 2012 17:03:49 +0200
> Udo van den Heuvel<udovdh@xs4all.nl> wrote:
>
>> Hello,
>>
>> I discovered some issues in the pwc driver for certain USB webcams.
>> I opened some bugs[1].
>> I do think both issues might be related and the crash issue is quite
>> serious.
>>
>> Please have a look, I can assist by testing any patches with fixes. (for
>> ~3.3.7)
>
> commit ceede9fa8939e40ad0ddb4ad1355f45c6f1d3478
>
> looks rather relevant here.
>
> commit ceede9fa8939e40ad0ddb4ad1355f45c6f1d3478
> Author: Hans de Goede<hdegoede@redhat.com>
> Date: Wed May 9 04:43:12 2012 -0300
>
> [media] pwc: Fix locking
>
> My last locking rework for pwc mistakenly assumed that videbuf2 does
> its own locking, but it does not! This patch fixes the missing
> locking by moving over the the video_device lock, and introducing a
> separate lock for the videobuf2_queue.
>
> Signed-off-by: Hans de Goede<hdegoede@redhat.com>
> Signed-off-by: Mauro Carvalho Chehab<mchehab@redhat.com>
prev parent reply other threads:[~2012-05-24 19:10 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-24 15:03 pwc driver bugs Udo van den Heuvel
2012-05-24 15:56 ` Alan Cox
2012-05-24 16:37 ` Udo van den Heuvel
2012-05-24 19:10 ` Hans de Goede [this message]
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