From mboxrd@z Thu Jan 1 00:00:00 1970 From: hugues.fruchet@st.com (Hugues Fruchet) Date: Mon, 11 Jun 2018 11:50:25 +0200 Subject: [PATCH 2/4] media: stm32-dcmi: return buffer in error state on dma error In-Reply-To: <1528710627-8566-1-git-send-email-hugues.fruchet@st.com> References: <1528710627-8566-1-git-send-email-hugues.fruchet@st.com> Message-ID: <1528710627-8566-3-git-send-email-hugues.fruchet@st.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Return buffer to V4L2 in error state if DMA error occurs. Signed-off-by: Hugues Fruchet --- drivers/media/platform/stm32/stm32-dcmi.c | 3 +++ 1 file changed, 3 insertions(+) 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__); -- 1.9.1