From 4f0036ef09387a49b709d9b319ad93492e53d790 Mon Sep 17 00:00:00 2001 From: H Hartley Sweeten Date: Tue, 26 Jun 2012 18:03:34 -0700 Subject: [PATCH] staging: comedi: cb_pcidas: check for failure of subdev_8255_init 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 Cc: Ian Abbott Signed-off-by: Greg Kroah-Hartman --- 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; -- 2.7.4