diff options
Diffstat (limited to 'drivers/media/video/omap3isp/ispvideo.c')
| -rw-r--r-- | drivers/media/video/omap3isp/ispvideo.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/media/video/omap3isp/ispvideo.c b/drivers/media/video/omap3isp/ispvideo.c index fd94cdf471bc..ba86f119ebbc 100644 --- a/drivers/media/video/omap3isp/ispvideo.c +++ b/drivers/media/video/omap3isp/ispvideo.c @@ -1056,6 +1056,14 @@ error: if (video->isp->pdata->set_constraints) video->isp->pdata->set_constraints(video->isp, false); media_entity_pipeline_stop(&video->video.entity); + /* The DMA queue must be emptied here, otherwise CCDC interrupts + * that will get triggered the next time the CCDC is powered up + * will try to access buffers that might have been freed but + * still present in the DMA queue. This can easily get triggered + * if the above omap3isp_pipeline_set_stream() call fails on a + * system with a free-running sensor. + */ + INIT_LIST_HEAD(&video->dmaqueue); video->queue = NULL; } |