Patch "[media] sur40: fix occasional oopses on device close" has been added to the 4.7-stable tree

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 4.7-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-4.7 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let [off-list ref] know about it.

From 6a8588156657e607fcfdffd46c1daae8ba88a1e5 Mon Sep 17 00:00:00 2001

From: Florian Echtler <redacted>
Date: Tue, 31 May 2016 17:15:33 -0300
Subject: [media] sur40: fix occasional oopses on device close

From: Florian Echtler <redacted>

commit 6a8588156657e607fcfdffd46c1daae8ba88a1e5 upstream.

Closing the V4L2 device sometimes triggers a kernel oops.
Present patch fixes this.

Signed-off-by: Martin Kaltenbrunner <redacted>
Signed-off-by: Florian Echtler <redacted>
Signed-off-by: Hans Verkuil <redacted>
Signed-off-by: Mauro Carvalho Chehab <redacted>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 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

@@ -448,7 +448,7 @@ 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 */
 	new_buf->vb.vb2_buf.timestamp = ktime_get_ns();

@@ -736,6 +736,7 @@ 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@butterbrot.org are

queue-4.7/sur40-fix-occasional-oopses-on-device-close.patch
queue-4.7/sur40-lower-poll-interval-to-fix-occasional-fps-drops-to-56-fps.patch