Re: [PATCH] watchdog: mena21_wdt: Fix possible NULL pointer dereference

From: Johannes Thumshirn
Date: Mon Jun 22 2015 - 03:50:11 EST


On Tue, Jun 02, 2015 at 06:44:48AM -0700, Guenter Roeck wrote:
> On 06/02/2015 03:25 AM, Johannes Thumshirn wrote:
> >In a21_wdt_remove() we do a watchdog_unregister_device() on struct
> >a21_wdt_drv->wdt but never assign it.
> >
> >Also move the dev_set_drvdata() call in front of the watchdog_register_device()
> >call, so it doesn't look like an error.
> >
> >Signed-off-by: Johannes Thumshirn <jthumshirn@xxxxxxx>
>
> Good catch.
>
> Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>
>
> Guenter
>

Hi Wim,

Any objections to this one? Do you intent to take it for 4.2?

Thanks,
Johannes

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