RE: [ 099/171 ] mwifiex: fix race when queuing commands

[Bing Zhao]

Hi Steven,

> 3.6.11.2 stable review patch.
> If anyone has any objections, please let me know.
> 
> ------------------
> 
> From: Amitkumar Karwar <akarwar@xxxxxxxxxxx>
> 
> [ Upstream commit 00d7ea11ff0783e24fe70778f3141270b561aaa1 ]
> 
> Running the following script repeatedly on XO-4 with SD8787
> produces command timeout and system lockup.

The patch 099/171 and 100/171 (mwifiex: skip pending commands after function shutdown) are intended for 3.8 to solve a race issue found on XO-4 platform.

For 3.7 and lower kernel versions, these patches are not verified.
I'd suggest do not merge them to 3.6.11.x to avoid potential side effects.

Later, if we get a user report of the same problem on 3.6, we can verify these patches on his/her platform and add these patches back.

Thanks,
Bing

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