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From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Dan Carpenter <dan.carpenter@oracle.com>
Cc: linux-spi@vger.kernel.org
Subject: Re: [bug report] spi: pxa2xx: Reuse int_stop_and_reset() in couple of places
Date: Wed, 21 Jul 2021 15:15:33 +0300	[thread overview]
Message-ID: <YPgP5TuvwBh0r5CS@smile.fi.intel.com> (raw)
In-Reply-To: <20210721113246.GA24694@kili>

On Wed, Jul 21, 2021 at 04:32:46AM -0700, Dan Carpenter wrote:
> Hello Andy Shevchenko,
> 
> The patch 3bbdc083262d: "spi: pxa2xx: Reuse int_stop_and_reset() in
> couple of places" from Jul 19, 2021, leads to the following static
> checker warning:
> 
> 	drivers/spi/spi-pxa2xx.c:774 ssp_int()
> 	error: we previously assumed 'drv_data->controller->cur_msg' could be null (see line 773)

>     773 	if (!drv_data->controller->cur_msg) {
> --> 774 		handle_bad_msg(drv_data);
>                         ^^^^^^^^^^^^^^^^^^^^^^^^
> We can't reset with a NULL drv_data->controller->cur_msg.

We can if we handle this inside reset_sccr1() properly.
Thanks for the report and patch on its way!

-- 
With Best Regards,
Andy Shevchenko



      reply	other threads:[~2021-07-21 12:15 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-21 11:32 [bug report] spi: pxa2xx: Reuse int_stop_and_reset() in couple of places Dan Carpenter
2021-07-21 12:15 ` Andy Shevchenko [this message]

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