Re: [PATCH 1/2] ARM: integrator: impd1: fix NULL pointer dereference

From: Linus Walleij
Date: Fri Jan 11 2019 - 07:22:51 EST


On Fri, Jan 4, 2019 at 6:18 PM Gustavo A. R. Silva
<gustavo@xxxxxxxxxxxxxx> wrote:

> There is a potential NULL pointer dereference in case devm_kzalloc()
> fails and returns NULL.
>
> Fix this by adding a NULL check on lookup.
>
> This issue was detected with the help of Coccinelle.
>
> Fixes: 684284b64aae ("ARM: integrator: add MMCI device to IM-PD1")
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Gustavo A. R. Silva <gustavo@xxxxxxxxxxxxxx>

I already have a patch fixing this from Nicholas Mc Guire, just that I
forgot to push it upstream. I'll fix, sorry for not applying his patch
earlier.

Yours,
Linus Walleij