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Commit 421ab41b authored by H Hartley Sweeten's avatar H Hartley Sweeten Committed by Greg Kroah-Hartman
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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: default avatarH Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: default avatarIan Abbott <abbotti@mev.co.uk>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent b727a91f

drivers/staging/comedi/drivers/cb_pcidas64.c

+2 −1
Original line number Diff line number Diff line
@@ -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;