From: H Hartley Sweeten <hsweeten@visionengravers.com>
Date: Tue, 27 May 2014 17:31:02 +0000 (-0700)
Subject: staging: comedi: ni_labpc: use comedi_cmd pointer
X-Git-Tag: next-20140530~19^2~34
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=b727a91f59df86f022f868522fd0d1f9d294ca0b;p=karo-tx-linux.git

staging: comedi: ni_labpc: use comedi_cmd pointer

Use a local variable to access the comedi_cmd as a pointer instead
of getting to from the comedi_async pointer.

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/ni_labpc.c b/drivers/staging/comedi/drivers/ni_labpc.c
index c6e914dc70cf..3e3f940fa57c 100644
--- a/drivers/staging/comedi/drivers/ni_labpc.c
+++ b/drivers/staging/comedi/drivers/ni_labpc.c
@@ -874,8 +874,9 @@ static int labpc_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 static int labpc_drain_fifo(struct comedi_device *dev)
 {
 	struct labpc_private *devpriv = dev->private;
-	unsigned short data;
 	struct comedi_async *async = dev->read_subdev->async;
+	struct comedi_cmd *cmd = &async->cmd;
+	unsigned short data;
 	const int timeout = 10000;
 	unsigned int i;
 
@@ -884,7 +885,7 @@ static int labpc_drain_fifo(struct comedi_device *dev)
 	for (i = 0; (devpriv->stat1 & STAT1_DAVAIL) && i < timeout;
 	     i++) {
 		/*  quit if we have all the data we want */
-		if (async->cmd.stop_src == TRIG_COUNT) {
+		if (cmd->stop_src == TRIG_COUNT) {
 			if (devpriv->count == 0)
 				break;
 			devpriv->count--;