Re: [PATCH v2] ath10k: Remove msdu from idr when management pkt send fails
From: Kalle Valo
Date: Mon May 11 2020 - 08:33:12 EST
Rakesh Pillai <pillair@xxxxxxxxxxxxxx> wrote:
> Currently when the sending of any management pkt
> via wmi command fails, the packet is being unmapped
> freed in the error handling. But the idr entry added,
> which is used to track these packet is not getting removed.
>
> Hence, during unload, in wmi cleanup, all the entries
> in IDR are removed and the corresponding buffer is
> attempted to be freed. This can cause a situation where
> one packet is attempted to be freed twice.
>
> Fix this error by rmeoving the msdu from the idr
> list when the sending of a management packet over
> wmi fails.
>
> Tested HW: WCN3990
> Tested FW: WLAN.HL.3.1-01040-QCAHLSWMTPLZ-1
>
> Fixes: 1807da49733e ("ath10k: wmi: add management tx by reference support over wmi")
> Signed-off-by: Rakesh Pillai <pillair@xxxxxxxxxxxxxx>
> Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxx>
Patch applied to ath-next branch of ath.git, thanks.
c730c477176a ath10k: Remove msdu from idr when management pkt send fails
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https://patchwork.kernel.org/patch/11528409/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches