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authorH Hartley Sweeten <hartleys@visionengravers.com>2012-06-12 11:59:33 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-06-12 14:44:04 -0700
commit8b6c56949ffa83dbc2a6e8fa3f98b10a19372207 (patch)
tree71fb0a053eca4f23efdca55f479554ba037ee987 /drivers/staging/comedi/drivers/s526.c
parenteea6838b1206b0ac90110f1a6f58e101aa496e99 (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/s526.c')
-rw-r--r--drivers/staging/comedi/drivers/s526.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/staging/comedi/drivers/s526.c b/drivers/staging/comedi/drivers/s526.c
index 6a30537987c6..141bc9e881c9 100644
--- a/drivers/staging/comedi/drivers/s526.c
+++ b/drivers/staging/comedi/drivers/s526.c
@@ -743,6 +743,7 @@ static int s526_attach(struct comedi_device *dev, struct comedi_devconfig *it)
struct comedi_subdevice *s;
int iobase;
int i, n;
+ int ret;
/* short value; */
/* int subdev_channel = 0; */
union cmReg cmReg;
@@ -774,8 +775,9 @@ static int s526_attach(struct comedi_device *dev, struct comedi_devconfig *it)
if (alloc_private(dev, sizeof(struct s526_private)) < 0)
return -ENOMEM;
- if (comedi_alloc_subdevices(dev, 4) < 0)
- return -ENOMEM;
+ ret = comedi_alloc_subdevices(dev, 4);
+ if (ret)
+ return ret;
s = dev->subdevices + 0;
/* GENERAL-PURPOSE COUNTER/TIME (GPCT) */