Commit 854472c2 authored by H Hartley Sweeten's avatar H Hartley Sweeten Committed by Greg Kroah-Hartman
Browse files

staging: comedi: cb_pcidas64: (!foo) preferred over (foo == NULL) 



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 4d719cec

drivers/staging/comedi/drivers/cb_pcidas64.c

+5 −5
Original line number Diff line number Diff line
@@ -1473,7 +1473,7 @@ static int alloc_and_init_dma_members(struct comedi_device *dev) 
		devpriv->ai_buffer[i] =

			pci_alloc_consistent(pcidev, DMA_BUFFER_SIZE,

					     &devpriv->ai_buffer_bus_addr[i]);

		if (devpriv->ai_buffer[i] == NULL)

		if (!devpriv->ai_buffer[i])

			return -ENOMEM;



	}
@@ -1483,7 +1483,7 @@ static int alloc_and_init_dma_members(struct comedi_device *dev) 
				pci_alloc_consistent(pcidev, DMA_BUFFER_SIZE,

						     &devpriv->

						      ao_buffer_bus_addr[i]);

			if (devpriv->ao_buffer[i] == NULL)

			if (!devpriv->ao_buffer[i])

				return -ENOMEM;



		}
@@ -1493,7 +1493,7 @@ static int alloc_and_init_dma_members(struct comedi_device *dev) 
		pci_alloc_consistent(pcidev, sizeof(struct plx_dma_desc) *

				     ai_dma_ring_count(thisboard),

				     &devpriv->ai_dma_desc_bus_addr);

	if (devpriv->ai_dma_desc == NULL)

	if (!devpriv->ai_dma_desc)

		return -ENOMEM;



	if (ao_cmd_is_supported(thisboard)) {
@@ -1502,7 +1502,7 @@ static int alloc_and_init_dma_members(struct comedi_device *dev) 
					     sizeof(struct plx_dma_desc) *

					     AO_DMA_RING_COUNT,

					     &devpriv->ao_dma_desc_bus_addr);

		if (devpriv->ao_dma_desc == NULL)

		if (!devpriv->ao_dma_desc)

			return -ENOMEM;

	}

	/*  initialize dma descriptors */
@@ -2975,7 +2975,7 @@ static void handle_ao_interrupt(struct comedi_device *dev, 
	unsigned long flags;



	/* board might not support ao, in which case write_subdev is NULL */

	if (s == NULL)

	if (!s)

		return;

	async = s->async;

	cmd = &async->cmd;