linux-kernel - Re: [PATCH] MIPS: OCTEON: irq: check for null return on kzalloc allocation

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Message-ID: <20180223095301.GL6245@saruman>
Date:   Fri, 23 Feb 2018 09:53:02 +0000
From:   James Hogan <jhogan@...nel.org>
To:     David Daney <ddaney@...iumnetworks.com>
Cc:     Colin King <colin.king@...onical.com>,
        Ralf Baechle <ralf@...ux-mips.org>,
        "Steven J . Hill" <Steven.Hill@...ium.com>,
        David Daney <david.daney@...ium.com>,
        linux-mips@...ux-mips.org, kernel-janitors@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] MIPS: OCTEON: irq: check for null return on kzalloc
 allocation

On Thu, Feb 22, 2018 at 10:10:30AM -0800, David Daney wrote:
> On 02/22/2018 10:08 AM, Colin King wrote:
> > From: Colin Ian King <colin.king@...onical.com>
> > 
> > The allocation of host_data is not null checked, leading to a
> > null pointer dereference if the allocation fails. Fix this by
> > adding a null check and return with -ENOMEM.
> > 
> > Fixes: 64b139f97c01 ("MIPS: OCTEON: irq: add CIB and other fixes")
> > Signed-off-by: Colin Ian King <colin.king@...onical.com>
> 
> Acked-by: David Daney <david.daney@...ium.com>

Applied to my fixes branch with 4.0+ stable tag.

Thanks
James

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