linux-kernel - Re: [PATCH] ARM: OMAP1: ams-delta: fix early boot crash when LED support is disabled

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Message-ID: <20190416144412.GF2839@atomide.com>
Date:   Tue, 16 Apr 2019 07:44:12 -0700
From:   Tony Lindgren <tony@...mide.com>
To:     Pavel Machek <pavel@....cz>
Cc:     Aaro Koskinen <aaro.koskinen@....fi>, linux-omap@...r.kernel.org,
        Janusz Krzysztofik <jmkrzyszt@...il.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ARM: OMAP1: ams-delta: fix early boot crash when LED
 support is disabled

* Pavel Machek <pavel@....cz> [190416 07:14]:
> On Tue 2019-04-16 02:37:32, Aaro Koskinen wrote:
> > When we boot with the LED support (CONFIG_NEW_LEDS) disabled,
> > gpio_led_register_device() will return a NULL pointer and we try
> > to dereference it. Fix by checking also for a NULL pointer.
> > 
> > Fixes: 19a2668a8ae3 ("ARM: OMAP1: ams-delta: Provide GPIO lookup table for LED device")
> > Signed-off-by: Aaro Koskinen <aaro.koskinen@....fi>
> 
> Acked-by: Pavel Machek <pavel@....cz>

Applying into omap-for-v5.1/fixes thanks.

Tony