linux-kernel - smatch stuff: serial: ifx6x60: oops on load

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Message-ID: <20101220091555.GR1936@bicker>
Date:	Mon, 20 Dec 2010 12:15:55 +0300
From:	Dan Carpenter <error27@...il.com>
To:	Russ Gorby <richardx.r.gorby@...el.com>
Cc:	Alan Cox <alan@...ux.intel.com>, linux-kernel@...r.kernel.org
Subject: smatch stuff: serial: ifx6x60: oops on load

Smatch complains that the ifx6x60 driver in linux-next has a NULL
dereference.

drivers/serial/ifx6x60.c +986 ifx_spi_spi_probe(27)
	error: potential null derefence 'pl_data'.

   984          ifx_dev->spi_timer.function = ifx_spi_timeout;
   985          ifx_dev->spi_timer.data = (unsigned long)ifx_dev;
   986          ifx_dev->is_6160 = pl_data->is_6160;
                                   ^^^^^^^
"pl_data" is always NULL at this point.  Presumably this crashes on load
every time.

regards,
dan carpenter

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