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Groups > linux.kernel > #1672746
| From | Hugues Fruchet <hugues.fruchet@st.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v1 1/5] [media] stm32-dcmi: catch dma submission error |
| Date | 2017-06-22 17:20 +0200 |
| Message-ID | <tVc3N-6uM-35@gated-at.bofh.it> (permalink) |
| References | <tVc3M-6uM-7@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Test cookie return by dmaengine_submit() and return error if any.
Signed-off-by: Hugues Fruchet <hugues.fruchet@st.com>
---
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 83d32a5..0dd5d1c 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
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[PATCH v1 0/5] Camera support on STM32F746G-DISCO board Hugues Fruchet <hugues.fruchet@st.com> - 2017-06-22 17:20 +0200
[PATCH v1 3/5] [media] stm32-dcmi: crop sensor image to match user resolution Hugues Fruchet <hugues.fruchet@st.com> - 2017-06-22 17:20 +0200
Re: [PATCH v1 3/5] [media] stm32-dcmi: crop sensor image to match user resolution Hans Verkuil <hverkuil@xs4all.nl> - 2017-06-22 17:30 +0200
Re: [PATCH v1 3/5] [media] stm32-dcmi: crop sensor image to match user resolution Hugues FRUCHET <hugues.fruchet@st.com> - 2017-06-26 12:00 +0200
Re: [PATCH v1 3/5] [media] stm32-dcmi: crop sensor image to match user resolution Hans Verkuil <hverkuil@xs4all.nl> - 2017-06-26 12:10 +0200
Re: [PATCH v1 3/5] [media] stm32-dcmi: crop sensor image to match user resolution Hugues FRUCHET <hugues.fruchet@st.com> - 2017-06-26 16:50 +0200
[PATCH] stm32-dcmi: fix semicolon.cocci warnings kbuild test robot <lkp@intel.com> - 2017-06-25 17:10 +0200
Re: [PATCH v1 3/5] [media] stm32-dcmi: crop sensor image to match user resolution kbuild test robot <lkp@intel.com> - 2017-06-25 17:10 +0200
[PATCH v1 4/5] ARM: dts: stm32: Enable DCMI support on STM32F746 MCU Hugues Fruchet <hugues.fruchet@st.com> - 2017-06-22 17:20 +0200
Re: [PATCH v1 4/5] ARM: dts: stm32: Enable DCMI support on STM32F746 MCU kbuild test robot <lkp@intel.com> - 2017-07-02 02:50 +0200
[PATCH v1 2/5] [media] stm32-dcmi: revisit control register handling Hugues Fruchet <hugues.fruchet@st.com> - 2017-06-22 17:20 +0200
[PATCH v1 1/5] [media] stm32-dcmi: catch dma submission error Hugues Fruchet <hugues.fruchet@st.com> - 2017-06-22 17:20 +0200
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