Test cookie return by dmaengine_submit() and return error if any. Signed-off-by: Hugues Fruchet <hugues.fruchet@xxxxxx> --- drivers/media/platform/stm32/stm32-dcmi.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/media/platform/stm32/stm32-dcmi.c b/drivers/media/platform/stm32/stm32-dcmi.c index 24ef888..716b3db 100644 --- a/drivers/media/platform/stm32/stm32-dcmi.c +++ b/drivers/media/platform/stm32/stm32-dcmi.c @@ -295,6 +295,10 @@ static int dcmi_start_dma(struct stm32_dcmi *dcmi, /* Push current DMA transaction in the pending queue */ dcmi->dma_cookie = dmaengine_submit(desc); + if (dma_submit_error(dcmi->dma_cookie)) { + dev_err(dcmi->dev, "%s: DMA submission failed\n", __func__); + return -ENXIO; + } dma_async_issue_pending(dcmi->dma_chan); -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html