From: Mika Westerberg <mika.westerberg@linux.intel.com>
To: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: linux-gpio@vger.kernel.org,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Linus Walleij <linus.walleij@linaro.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] pinctrl: check ops->pin_config_set in pinconf_set_config()
Date: Fri, 4 Aug 2017 13:12:02 +0300 [thread overview]
Message-ID: <20170804101202.GW2369@lahna.fi.intel.com> (raw)
In-Reply-To: <1501815572-2792-1-git-send-email-yamada.masahiro@socionext.com>
On Fri, Aug 04, 2017 at 11:59:32AM +0900, Masahiro Yamada wrote:
> pinconf_set_config() is called by pinctrl_gpio_set_config().
> If a GPIO driver is backed by a pinctrl driver and it does not
> support .pin_config_set() hook, it causes NULL pointer dereference.
>
> Fixes: 15381bc7c7f5 ("pinctrl: Allow configuration of pins from gpiolib based drivers")
> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
next prev parent reply other threads:[~2017-08-04 10:12 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-04 2:59 Masahiro Yamada
2017-08-04 10:12 ` Mika Westerberg [this message]
2017-08-07 13:21 ` Linus Walleij
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