From: H Hartley Sweeten <hartleys@visionengravers.com>
To: Linux Kernel <linux-kernel@vger.kernel.org>
Cc: <devel@driverdev.osuosl.org>, <abbotti@mev.co.uk>,
<fmhess@users.sourceforge.net>, <gregkh@linuxfoundation.org>
Subject: [PATCH 24/36] staging: comedi: cb_pcidas: check for failure of subdev_8255_init
Date: Tue, 26 Jun 2012 18:03:34 -0700 [thread overview]
Message-ID: <201206261803.34491.hartleys@visionengravers.com> (raw)
It's possible for subdev_8255_init() to fail due to its kzalloc().
Make sure to check for this failure and pass on the error code.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/comedi/drivers/cb_pcidas.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/comedi/drivers/cb_pcidas.c b/drivers/staging/comedi/drivers/cb_pcidas.c
index 9379d25..a033071 100644
--- a/drivers/staging/comedi/drivers/cb_pcidas.c
+++ b/drivers/staging/comedi/drivers/cb_pcidas.c
@@ -1640,7 +1640,10 @@ static int cb_pcidas_attach(struct comedi_device *dev,
/* 8255 */
s = dev->subdevices + 2;
- subdev_8255_init(dev, s, NULL, devpriv->pacer_counter_dio + DIO_8255);
+ ret = subdev_8255_init(dev, s, NULL,
+ devpriv->pacer_counter_dio + DIO_8255);
+ if (ret)
+ return ret;
/* serial EEPROM, */
s = dev->subdevices + 3;
--
1.7.11
reply other threads:[~2012-06-27 1:03 UTC|newest]
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