From: H Hartley Sweeten <hsweeten@visionengravers.com>
Date: Tue, 27 May 2014 17:31:03 +0000 (-0700)
Subject: staging: comedi: cb_pcidas64: use comedi_cmd pointer
X-Git-Tag: next-20140530~19^2~33
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=421ab41bce410854363a43afc49e5d95832ef887;p=karo-tx-linux.git

staging: comedi: cb_pcidas64: 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/cb_pcidas64.c b/drivers/staging/comedi/drivers/cb_pcidas64.c
index aca1e69009a8..63b00cf3bd87 100644
--- a/drivers/staging/comedi/drivers/cb_pcidas64.c
+++ b/drivers/staging/comedi/drivers/cb_pcidas64.c
@@ -2723,6 +2723,7 @@ static void drain_dma_buffers(struct comedi_device *dev, unsigned int channel)
 	const struct pcidas64_board *thisboard = comedi_board(dev);
 	struct pcidas64_private *devpriv = dev->private;
 	struct comedi_async *async = dev->read_subdev->async;
+	struct comedi_cmd *cmd = &async->cmd;
 	uint32_t next_transfer_addr;
 	int j;
 	int num_samples = 0;
@@ -2744,7 +2745,7 @@ static void drain_dma_buffers(struct comedi_device *dev, unsigned int channel)
 	      DMA_BUFFER_SIZE) && j < ai_dma_ring_count(thisboard); j++) {
 		/*  transfer data from dma buffer to comedi buffer */
 		num_samples = dma_transfer_size(dev);
-		if (async->cmd.stop_src == TRIG_COUNT) {
+		if (cmd->stop_src == TRIG_COUNT) {
 			if (num_samples > devpriv->ai_count)
 				num_samples = devpriv->ai_count;
 			devpriv->ai_count -= num_samples;