Re: [PATCH] mmc: cd-gpio: allow NULL context in mmc_cd_gpio_free()

[Chris Ball <cjb@laptop.org>]

Hi Guennadi,

On Tue, Apr 24 2012, Guennadi Liakhovetski wrote:
> Do not Oops, even if mmc_cd_gpio_free() is mistakenly called on a
> driver-cleanup path, even though a previous call to mmc_cd_gpio_request()
> failed.
>
> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
> ---
>
> Hi Chris
>
> Unfortunately, as I submitted the final version of the original cd-gpio 
> patch http://article.gmane.org/gmane.linux.kernel.mmc/12013 I forgot, that 
> I'd already sent a v2 and hadn't incremented the version to v3. And that 
> version contained the below fix, that went lost because of the wrong 
> version number. So, please, push this incremental fix for 3.4, because 
> otherwise some error-paths of the tmio-mmc driver can Oops.

Sorry about that, I should have noticed this as well.

Pushed to mmc-next for 3.4 with a stable@ tag for 3.3.  (It's helpful if
you can add the stable@ tag yourself when submitting.)

- Chris.
-- 
Chris Ball   <cjb@laptop.org>   <http://printf.net/>
One Laptop Per Child