[PATCH v3 0/2] wcn36xx: fix crash because rx skb allocation failure
Kalle Valo
kvalo at codeaurora.org
Thu Jan 7 05:05:53 PST 2016
Fengwei Yin <fengwei.yin at linaro.org> writes:
> The current wcn36xx driver didn't handle rx skb allocation failure case.
> It only could be triggered when system is in extremly memory shortage
> case. King Lawrence <lking at qti.qualcomm.com> hit it by git clone linux
> kernel tree on DragonBoard <1>.
>
> The fixing is not to submit the old rx skb to network upper layer and
> reuse it as rx DMA buffer again.
>
> Changes from v2:
> * Remove the ugly macro introduced in v2 per comment from Julian Calaby.
> * Seperate the DMA int mask register writing as one patch per comment
> from Bjorn Andersson.
>
> Changes from v1:
> * Move switch block out of while loop.
> * Remove the warning of unknown channel because we didn't deal with it.
>
> Fengwei Yin (2):
> wcn36xx: handle rx skb allocation failure to avoid system crash
> wcn36xx: split DMA mask register writing.
Applied to ath.git, thanks.
--
Kalle Valo
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