Re: mwifiex: fix racing condition when downloading firmware

[Kalle Valo]

Wei-Ning Huang <wnhuang@xxxxxxxxxxxx> wrote:
> The action 'check for winner' and 'download firmware' should be an
> atomic action. This is true for btmrvl driver but not mwmfiex, which
> cause firmware download to fail when the following senerio happens:
> 
> 1) mwifiex check winner status: true
> 2) btmrvl check winner status: true, and start downloading firmware
> 3) mwfieix tries to download firmware, but failed because btmrvl is
> already downloading.
> 
> This won't happen if 1) and 3) is an atomic action. This patch adds
> sdio_claim/release_host call around those two actions to make sure it's
> atomic.
> 
> Signed-off-by: Wei-Ning Huang <wnhuang@xxxxxxxxxxxx>

Thanks, 1 patch applied to wireless-drivers-next.git:

65c71efe1c59 mwifiex: fix racing condition when downloading firmware

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https://patchwork.kernel.org/patch/9123771/