add "ath10k: fix memory leak in rx ring buffer allocation" to 4.13-stable

add "ath10k: fix memory leak in rx ring buffer allocation" to 4.13-stable

[Christian Lamparter]

Hello,

please add this patch:

Subject: ath10k: fix memory leak in rx ring buffer allocation
Author: Rakesh Pillai <pillair@qti.qualcomm.com>
commit: f35a7f91f66af528b3ee1921de16bea31d347ab0 [0]

to the upcoming 4.13 stable release.

The patch fixes a race condition that leads to crashes due memory
exhaustions. A user (tetsuo55) has reported it helped in his situation:
<https://forum.lede-project.org/t/netgear-r7800-exploration-ipq8065-qca9984/285/469>

Regards,
Christian

[0] <https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/net/wireless/ath/ath10k?id=f35a7f91f66af528b3ee1921de16bea31d347ab0>

Re: add "ath10k: fix memory leak in rx ring buffer allocation" to 4.13-stable

[Greg KH]

On Thu, Sep 07, 2017 at 03:03:24PM +0200, Christian Lamparter wrote:
> Hello,
> 
> please add this patch:
> 
> Subject: ath10k: fix memory leak in rx ring buffer allocation
> Author: Rakesh Pillai <pillair@qti.qualcomm.com>
> commit: f35a7f91f66af528b3ee1921de16bea31d347ab0 [0]
> 
> to the upcoming 4.13 stable release.
> 
> The patch fixes a race condition that leads to crashes due memory
> exhaustions. A user (tetsuo55) has reported it helped in his situation:
> <https://forum.lede-project.org/t/netgear-r7800-exploration-ipq8065-qca9984/285/469>
> 
> Regards,
> Christian
> 
> [0] <https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/net/wireless/ath/ath10k?id=f35a7f91f66af528b3ee1921de16bea31d347ab0>

Looks like it belongs in older kernels as well, so I've backported it
further, thanks.

greg k-h