linux-kernel - Re: [PATCH] pinctrl: ns2: Fix potential NULL dereference

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Date:   Fri, 7 Jun 2019 23:06:27 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Young Xiao <92siuyang@...il.com>
Cc:     Ray Jui <rjui@...adcom.com>, Scott Branden <sbranden@...adcom.com>,
        bcm-kernel-feedback-list <bcm-kernel-feedback-list@...adcom.com>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] pinctrl: ns2: Fix potential NULL dereference

On Wed, May 29, 2019 at 4:42 AM Young Xiao <92siuyang@...il.com> wrote:

> platform_get_resource() may fail and return NULL, so we should
> better check it's return value to avoid a NULL pointer dereference
> a bit later in the code.
>
> Signed-off-by: Young Xiao <92siuyang@...il.com>

Patch applied with Ray's ACK.

Yours,
Linus Walleij