diff options
| author | Florian Echtler <floe@butterbrot.org> | 2016-05-31 17:15:33 -0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-08-20 18:09:19 +0200 |
| commit | 1fe16eaeb94068fbe002ec75cb4799a2474108fd (patch) | |
| tree | 93963ab44c9aeee9849acb6dcccde31f270c3631 /drivers/input/touchscreen/sur40.c | |
| parent | f8ad7cb60062a5a0514eb720b44f164276ebc4e0 (diff) | |
sur40: fix occasional oopses on device close
commit 6a8588156657e607fcfdffd46c1daae8ba88a1e5 upstream.
Closing the V4L2 device sometimes triggers a kernel oops.
Present patch fixes this.
Signed-off-by: Martin Kaltenbrunner <modin@yuri.at>
Signed-off-by: Florian Echtler <floe@butterbrot.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/input/touchscreen/sur40.c')
| -rw-r--r-- | drivers/input/touchscreen/sur40.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/input/touchscreen/sur40.c b/drivers/input/touchscreen/sur40.c index 07a262bddf57..45b466e3bbe8 100644 --- a/drivers/input/touchscreen/sur40.c +++ b/drivers/input/touchscreen/sur40.c @@ -441,7 +441,7 @@ static void sur40_process_video(struct sur40_state *sur40) /* 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 vb2_queue *vq, unsigned int count) 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 */ |