Re: BUG: scheduling while atomic in f_fs when gadget remove driver

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, Sep 28, 2016 at 2:38 PM, Michal Nazarewicz <mina86@xxxxxxxxxx> wrote:
> On Wed, Sep 28 2016, Michal Nazarewicz wrote:
>> With that done, the only thing which needs a mutex is
>> epfile->read_buffer.
>
> Perhaps this would do:
>
> ---- >8 -------------------------------------------------- -------------
> From 6416a1065203a39328311f6c58083089efe169aa Mon Sep 17 00:00:00 2001
> From: Michal Nazarewicz <mina86@xxxxxxxxxx>
> Date: Wed, 28 Sep 2016 23:36:56 +0200
> Subject: [RFC] usb: gadget: f_fs: stop sleeping in ffs_func_eps_disable
> MIME-Version: 1.0
> Content-Type: text/plain; charset=UTF-8
> Content-Transfer-Encoding: 8bit
>
> ffs_func_eps_disable is called from atomic context so it cannot sleep
> thus cannot grab a mutex.  Change the handling of epfile->read_buffer
> to use non-sleeping synchronisation method.
>
> Reported-by: Chen Yu <chenyu56@xxxxxxxxxx>
> Signed-off-by: Michał Nazarewicz <mina86@xxxxxxxxxx>
> Fixes: 9353afbbfa7b ("buffer data from ‘oversized’ OUT requests")

So the patch here seems to be in some odd encoding? Can you resend it
using git-send-email or in some way other then embedding it inline
here? Maybe just point me to a git tree that has it?

thanks
-john
--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Linux Media]     [Linux Input]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Old Linux USB Devel Archive]

  Powered by Linux