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Date:   Fri, 17 Sep 2021 15:58:11 -0500
From:   Rob Herring <robh@kernel.org>
To:     David Brazdil <dbrazdil@google.com>
Cc:     Rob Herring <robh+dt@kernel.org>, devicetree@vger.kernel.org,
        Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
        Frank Rowand <frowand.list@gmail.com>,
        Will Deacon <will@kernel.org>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] of: restricted dma: Fix condition for rmem init
Message-ID: <YUUBYx7qiwYjxhIG@robh.at.kernel.org>
References: <20210917131423.2760155-1-dbrazdil@google.com>
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On Fri, 17 Sep 2021 14:14:23 +0100, David Brazdil wrote:
> of_dma_set_restricted_buffer fails to handle negative return values from
> of_property_count_elems_of_size, e.g. when the property does not exist.
> This results in an attempt to assign a non-existent reserved memory
> region to the device and a warning being printed. Fix the condition to
> take negative values into account.
> 
> Fixes: f3cfd136aef0 ("of: restricted dma: Don't fail device probe on
> rmem init failure")
> Cc: Will Deacon <will@kernel.org>
> Signed-off-by: David Brazdil <dbrazdil@google.com>
> ---
>  drivers/of/device.c | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
> 

Applied, thanks!