From: Kalle Valo <kvalo@codeaurora.org>
To: Fengwei Yin <fengwei.yin@linaro.org>
Cc: julian.calaby@gmail.com, linux-wireless@vger.kernel.org,
wcn36xx@lists.infradead.org, me@bobcopeland.com,
k.eugene.e@gmail.com, bjorn.andersson@sonymobile.com,
lking@qti.qualcomm.com
Subject: Re: [PATCH v3 0/2] wcn36xx: fix crash because rx skb allocation failure
Date: Thu, 07 Jan 2016 15:05:53 +0200 [thread overview]
Message-ID: <87si29k09a.fsf@kamboji.qca.qualcomm.com> (raw)
In-Reply-To: <1450617641-29531-1-git-send-email-fengwei.yin@linaro.org> (Fengwei Yin's message of "Sun, 20 Dec 2015 21:20:39 +0800")
Fengwei Yin <fengwei.yin@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@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
next prev parent reply other threads:[~2016-01-07 13:06 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-20 13:20 [PATCH v3 0/2] wcn36xx: fix crash because rx skb allocation failure Fengwei Yin
2015-12-20 13:20 ` [PATCH v3 1/2] wcn36xx: handle rx skb allocation failure to avoid system crash Fengwei Yin
2015-12-20 13:20 ` [PATCH v3 2/2] wcn36xx: split DMA mask register writing Fengwei Yin
2016-01-07 13:05 ` Kalle Valo [this message]
2016-01-07 13:08 ` [PATCH v3 0/2] wcn36xx: fix crash because rx skb allocation failure yfw
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