linux-kernel - Re: [PATCH] slimbus: qcom-ngd-ctrl: Avoid sending power requests without QMI

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Message-ID: <a92ba901-283f-e0fb-54e0-af6c87bbd44a@linaro.org>
Date:   Wed, 25 Nov 2020 09:58:06 +0000
From:   Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To:     Bjorn Andersson <bjorn.andersson@...aro.org>,
        Andy Gross <agross@...nel.org>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Vinod Koul <vkoul@...nel.org>, linux-arm-msm@...r.kernel.org,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] slimbus: qcom-ngd-ctrl: Avoid sending power requests
 without QMI



On 25/11/2020 05:42, Bjorn Andersson wrote:
> Attempting to send a power request during PM operations, when the QMI
> handle isn't initialized results in a NULL pointer dereference. So check
> if the QMI handle has been initialized before attempting to post the
> power requests.
> 
> Fixes: 917809e2280b ("slimbus: ngd: Add qcom SLIMBus NGD driver")
> Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>


Applied thanks,

--srini