This is a note to let you know that I've just added the patch titled [media] sur40: fix occasional oopses on device close to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: sur40-fix-occasional-oopses-on-device-close.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 6a8588156657e607fcfdffd46c1daae8ba88a1e5 Mon Sep 17 00:00:00 2001 From: Florian Echtler <floe@xxxxxxxxxxxxxx> Date: Tue, 31 May 2016 17:15:33 -0300 Subject: [media] sur40: fix occasional oopses on device close From: Florian Echtler <floe@xxxxxxxxxxxxxx> commit 6a8588156657e607fcfdffd46c1daae8ba88a1e5 upstream. Closing the V4L2 device sometimes triggers a kernel oops. Present patch fixes this. Signed-off-by: Martin Kaltenbrunner <modin@xxxxxxx> Signed-off-by: Florian Echtler <floe@xxxxxxxxxxxxxx> Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx> Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/input/touchscreen/sur40.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/drivers/input/touchscreen/sur40.c +++ b/drivers/input/touchscreen/sur40.c @@ -441,7 +441,7 @@ static void sur40_process_video(struct s /* return error if streaming was stopped in the meantime */ if (sur40->sequence == -1) - goto err_poll; + return; /* mark as finished */ v4l2_get_timestamp(&new_buf->vb.timestamp); @@ -730,6 +730,7 @@ static int sur40_start_streaming(struct static void sur40_stop_streaming(struct vb2_queue *vq) { struct sur40_state *sur40 = vb2_get_drv_priv(vq); + vb2_wait_for_all_buffers(vq); sur40->sequence = -1; /* Release all active buffers */ Patches currently in stable-queue which might be from floe@xxxxxxxxxxxxxx are queue-4.4/sur40-fix-occasional-oopses-on-device-close.patch queue-4.4/sur40-lower-poll-interval-to-fix-occasional-fps-drops-to-56-fps.patch -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html