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[2/4] media: stm32-dcmi: return buffer in error state on dma error

Message ID 1528710627-8566-3-git-send-email-hugues.fruchet@st.com (mailing list archive)
State New, archived
Headers show

Commit Message

Hugues FRUCHET June 11, 2018, 9:50 a.m. UTC 
Return buffer to V4L2 in error state if DMA error occurs.

Signed-off-by: Hugues Fruchet <hugues.fruchet@st.com>
---
 drivers/media/platform/stm32/stm32-dcmi.c | 3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/drivers/media/platform/stm32/stm32-dcmi.c b/drivers/media/platform/stm32/stm32-dcmi.c
index a3fbfac..6ccf195 100644
--- a/drivers/media/platform/stm32/stm32-dcmi.c
+++ b/drivers/media/platform/stm32/stm32-dcmi.c
@@ -262,6 +262,9 @@  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__);