diff options
| author | H Hartley Sweeten <hartleys@visionengravers.com> | 2012-06-12 11:59:33 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-06-12 14:44:04 -0700 |
| commit | 8b6c56949ffa83dbc2a6e8fa3f98b10a19372207 (patch) | |
| tree | 71fb0a053eca4f23efdca55f479554ba037ee987 /drivers/staging/comedi/drivers/mpc624.c | |
| parent | eea6838b1206b0ac90110f1a6f58e101aa496e99 (diff) | |
staging: comedi: propogate error code from comedi_alloc_subdevices
comedi_alloc_subdevices can fail with -EINVAL or -ENOMEM. When it
does fail make sure to pass the proper error code back.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbott@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/comedi/drivers/mpc624.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/mpc624.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/staging/comedi/drivers/mpc624.c b/drivers/staging/comedi/drivers/mpc624.c index 975033653f0c..b928b6763cd5 100644 --- a/drivers/staging/comedi/drivers/mpc624.c +++ b/drivers/staging/comedi/drivers/mpc624.c @@ -285,6 +285,7 @@ static int mpc624_attach(struct comedi_device *dev, struct comedi_devconfig *it) { struct comedi_subdevice *s; unsigned long iobase; + int ret; iobase = it->options[0]; printk(KERN_INFO "comedi%d: mpc624 [0x%04lx, ", dev->minor, iobase); @@ -348,8 +349,9 @@ static int mpc624_attach(struct comedi_device *dev, struct comedi_devconfig *it) devpriv->ulConvertionRate = MPC624_SPEED_3_52_kHz; } - if (comedi_alloc_subdevices(dev, 1) < 0) - return -ENOMEM; + ret = comedi_alloc_subdevices(dev, 1); + if (ret) + return ret; s = dev->subdevices + 0; s->type = COMEDI_SUBD_AI; |