From: H Hartley Sweeten <hsweeten@visionengravers.com>
Date: Fri, 14 Aug 2015 22:23:30 +0000 (-0700)
Subject: staging: comedi: usbdux: remove impossible 'if (!devpriv)' check
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=2779b7e51497b5d0855dc7d21d793998acd2ad5f;p=openwrt%2Fstaging%2Fblogic.git

staging: comedi: usbdux: remove impossible 'if (!devpriv)' check

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@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/staging/comedi/drivers/usbdux.c b/drivers/staging/comedi/drivers/usbdux.c
index d576af734407..eea41e8ad1ac 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);