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From:   Eric Anholt <eric@anholt.net>
To:     Stefan Wahren <stefan.wahren@i2se.com>,
        Jassi Brar <jassisinghbrar@gmail.com>
Cc:     Florian Fainelli <f.fainelli@gmail.com>,
        Ray Jui <rjui@broadcom.com>,
        Scott Branden <sbranden@broadcom.com>,
        Phil Elwell <phil@raspberrypi.org>,
        bcm-kernel-feedback-list@broadcom.com,
        linux-kernel@vger.kernel.org, linux-rpi-kernel@lists.infradead.org,
        Stefan Wahren <stefan.wahren@i2se.com>
Subject: Re: [PATCH] mailbox: bcm2835: Fix of_xlate return value
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References: <1527330240-6181-1-git-send-email-stefan.wahren@i2se.com>
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Date:   Wed, 30 May 2018 12:23:20 -0700
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Stefan Wahren <stefan.wahren@i2se.com> writes:

> The bcm2835-mailbox returns NULL instead of an error pointer, which could
> result in a NULL ptr dereference in mbox_request_channel. So fix this
> by returning a proper error pointer.
>
> Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
> Fixes: 0bae6af6d704 ("mailbox: Enable BCM2835 mailbox support")

Reviewed-by: Eric Anholt <eric@anholt.net>

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