The comedi core can only call this subdevice function is the private
data was successfully allocated during the (*auto_attach). Remove
the unnecessary check.
Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx>
Cc: Ian Abbott <abbotti@xxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/staging/comedi/drivers/usbdux.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/drivers/staging/comedi/drivers/usbdux.c b/drivers/staging/comedi/drivers/usbdux.c
index d576af7..eea41e8 100644
--- a/drivers/staging/comedi/drivers/usbdux.c
+++ b/drivers/staging/comedi/drivers/usbdux.c
@@ -877,13 +877,9 @@ ao_trig_exit:
static int usbdux_ao_cmdtest(struct comedi_device *dev,
struct comedi_subdevice *s, struct comedi_cmd *cmd)
{
- struct usbdux_private *devpriv = dev->private;
int err = 0;
unsigned int flags;
- if (!devpriv)
- return -EFAULT;
-
/* Step 1 : check if triggers are trivially valid */
err |= comedi_check_trigger_src(&cmd->start_src, TRIG_NOW | TRIG_INT);
--
2.4.3
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