Commit b8d64282 authored Mar 09, 2014 by Laurent Pinchart Committed by Mauro Carvalho Chehab May 25, 2014

[media] omap3isp: queue: Fix the dma_map_sg() return value check



dma_map_sg() can merge sglist entries, and can thus return a number of
mapped entries different than the original value. Don't consider this as
an error.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

parent 7f5036d0

drivers/media/platform/omap3isp/ispqueue.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -465,7 +465,7 @@ static int isp_video_buffer_prepare(struct isp_video_buffer *buf)
		? DMA_FROM_DEVICE : DMA_TO_DEVICE;
		ret = dma_map_sg(buf->queue->dev, buf->sgt.sgl,
		buf->sgt.orig_nents, direction);
		if (ret != buf->sgt.orig_nents) {
		if (ret <= 0) {
		ret = -EFAULT;
		goto done;
		}

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