staging: bcm2835_camera: Ensure all buffers are returned on disable

With the recent change to match MMAL and V4L2 buffers there is a need to wait for all MMAL buffers to be returned during stop_streaming. Fixes: 9384167 "staging: bcm2835-camera: Remove V4L2/MMAL buffer remapping" Signed-off-by: Dave Stevenson <[email protected]>
raspberrypi · Jul 13, 2020 · 718805e · 718805e
1 parent 9b9724b
commit 718805e
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c b/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c
@@ -268,6 +268,8 @@ static void buffer_work_cb(struct work_struct *work)
 	if (!buffer->cmd)
 		atomic_dec(&msg_context->u.bulk.port->buffers_with_vpu);
 
+	atomic_dec(&msg_context->u.bulk.port->buffers_with_vpu);
+
 	msg_context->u.bulk.port->buffer_cb(msg_context->u.bulk.instance,
 					    msg_context->u.bulk.port,
 					    msg_context->u.bulk.status,