linux-kernel - Re: [PATCH 1/1] dmaengine: bcm-sba-raid: Handle mbox_request

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Message-ID: <3ab7434a-e2da-2767-a20d-4f4ebb48e553@gmail.com>
Date:   Fri, 27 Dec 2019 08:27:13 -0800
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Rayagonda Kokatanur <rayagonda.kokatanur@...adcom.com>,
        Vinod Koul <vkoul@...nel.org>,
        Dan Williams <dan.j.williams@...el.com>,
        Ray Jui <ray.jui@...adcom.com>,
        Scott Branden <scott.branden@...adcom.com>,
        dmaengine@...r.kernel.org, linux-kernel@...r.kernel.org,
        BCM Kernel Feedback <bcm-kernel-feedback-list@...adcom.com>
Subject: Re: [PATCH 1/1] dmaengine: bcm-sba-raid: Handle mbox_request_channel
 failure



On 12/27/2019 1:54 AM, Rayagonda Kokatanur wrote:
> Fix kernel NULL pointer dereference error when mbox_request_channel()
> fails to allocate channel.
> 
> Fixes: 4e9f8187aec ("dmaengine: bcm-sba-raid: Use only single mailbox channel")
> Signed-off-by: Rayagonda Kokatanur <rayagonda.kokatanur@...adcom.com>

Reviewed-by: Florian Fainelli <f.fainelli@...il.com>
-- 
Florian