From: Hugues Fruchet <hugues.fruchet@st.com>
Date: Mon, 11 Jun 2018 09:50:25 +0000 (-0400)
Subject: media: stm32-dcmi: return buffer in error state on dma error
X-Git-Tag: v4.19~407^2~375
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a331df3cb3a121ed9d6c2010f28ca0fccc4153ba;p=platform%2Fkernel%2Flinux-rpi.git

media: stm32-dcmi: return buffer in error state on dma error

Return buffer to V4L2 in error state if DMA error occurs.

Signed-off-by: Hugues Fruchet <hugues.fruchet@st.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
---

diff --git a/drivers/media/platform/stm32/stm32-dcmi.c b/drivers/media/platform/stm32/stm32-dcmi.c
index fc72a57d8478..526d8311df4a 100644
--- a/drivers/media/platform/stm32/stm32-dcmi.c
+++ b/drivers/media/platform/stm32/stm32-dcmi.c
@@ -261,6 +261,9 @@ static void dcmi_dma_callback(void *param)
 		break;
 	case DMA_ERROR:
 		dev_err(dcmi->dev, "%s: Received DMA_ERROR\n", __func__);
+
+		/* Return buffer to V4L2 in error state */
+		dcmi_buffer_done(dcmi, buf, 0, -EIO);
 		break;
 	case DMA_COMPLETE:
 		dev_dbg(dcmi->dev, "%s: Received DMA_COMPLETE\n", __func__);