linux-kernel - Re: [PATCH] pinctrl: single: fix potential NULL dereference

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Message-ID: <Y3eAIb7x6de9Bigy@atomide.com>
Date:   Fri, 18 Nov 2022 14:52:49 +0200
From:   Tony Lindgren <tony@...mide.com>
To:     Maxim Korotkov <korotkov.maxim.s@...il.com>
Cc:     Haojian Zhuang <haojian.zhuang@...aro.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        linux-arm-kernel@...ts.infradead.org, linux-omap@...r.kernel.org,
        linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
        lvc-project@...uxtesting.org
Subject: Re: [PATCH] pinctrl: single: fix potential NULL dereference

* Maxim Korotkov <korotkov.maxim.s@...il.com> [221118 10:33]:
> Added checking of pointer "function" in pcs_set_mux().
> pinmux_generic_get_function() can return NULL and the pointer
> "function" was dereferenced without checking against NULL.

Reviewed-by: Tony Lindgren <tony@...mide.com>