From b8d642826d031c8700ff1ad601fedf1ebe351033 Mon Sep 17 00:00:00 2001
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Date: Sun, 9 Mar 2014 17:58:37 -0300
Subject: [PATCH] [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>
---
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 2fd254f4dbe2..479d348bb510 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;
}
--
2.30.9