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@xxxxxxxxxxxxxxxx>
---
drivers/media/platform/omap3isp/ispqueue.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/media/platform/omap3isp/ispqueue.c b/drivers/media/platform/omap3isp/ispqueue.c
index 2fd254f..479d348 100644
--- a/drivers/media/platform/omap3isp/ispqueue.c
+++ b/drivers/media/platform/omap3isp/ispqueue.c
@@ -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;
}
--
1.8.3.2
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