linux-kernel - Re: [PATCH] ath10k: add cleanup in ath10k_sta

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Message-ID: <87eeyax5s3.fsf@codeaurora.org>
Date:   Thu, 14 Nov 2019 09:42:52 +0200
From:   Kalle Valo <kvalo@...eaurora.org>
To:     Bjorn Andersson <bjorn.andersson@...aro.org>
Cc:     Wenwen Wang <wenwen@...uga.edu>,
        "David S. Miller" <davem@...emloft.net>,
        "open list\:QUALCOMM ATHEROS ATH10K WIRELESS DRIVER" 
        <ath10k@...ts.infradead.org>,
        "open list\:NETWORKING DRIVERS \(WIRELESS\)" 
        <linux-wireless@...r.kernel.org>,
        "open list\:NETWORKING DRIVERS" <netdev@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>,
        jeffrey.l.hugo@...il.com, govinds@...eaurora.org
Subject: Re: [PATCH] ath10k: add cleanup in ath10k_sta_state()

Bjorn Andersson <bjorn.andersson@...aro.org> writes:

> On Thu 15 Aug 14:04 PDT 2019, Wenwen Wang wrote:
>
>> If 'sta->tdls' is false, no cleanup is executed, leading to memory/resource
>> leaks, e.g., 'arsta->tx_stats'. To fix this issue, perform cleanup before
>> go to the 'exit' label.
>> 
>
> Unfortunately this patch consistently crashes all my msm8998, sdm845 and
> qcs404 devices (running ath10k_snoc).  Upon trying to join a network the
> WiFi firmware crashes with the following:
>
> [  124.315286] wlan0: authenticate with 70:3a:cb:4d:34:f3
> [  124.334051] wlan0: send auth to 70:3a:cb:4d:34:f3 (try 1/3)
> [  124.338828] wlan0: authenticated
> [  124.342470] wlan0: associate with 70:3a:cb:4d:34:f3 (try 1/3)
> [  124.347223] wlan0: RX AssocResp from 70:3a:cb:4d:34:f3 (capab=0x1011 status=0 aid=2)
> [ 124.402535] qcom-q6v5-mss 4080000.remoteproc: fatal error received:
> err_qdi.c:456:EF:wlan_process:1:cmnos_thread.c:3900:Asserted in
> wlan_vdev.c:_wlan_vdev_up:3219
>
> Can we please revert it for v5.5?

Yes, let's revert it. And thanks for sending the patch to do that:

https://patchwork.kernel.org/patch/11242743/

-- 
Kalle Valo