blob: 972db31a3935e1876bd1640640078fdc6d51a9a8 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
From afa159538af61f1a65d48927f4e949fe514fb4fc Mon Sep 17 00:00:00 2001
From: Janne Grunau <j@jannau.net>
Date: Thu, 2 Feb 2012 13:35:21 -0300
Subject: [media] hdpvr: fix race conditon during start of streaming
From: Janne Grunau <j@jannau.net>
commit afa159538af61f1a65d48927f4e949fe514fb4fc upstream.
status has to be set to STREAMING before the streaming worker is
queued. hdpvr_transmit_buffers() will exit immediately otherwise.
Reported-by: Joerg Desch <vvd.joede@googlemail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/media/video/hdpvr/hdpvr-video.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/media/video/hdpvr/hdpvr-video.c
+++ b/drivers/media/video/hdpvr/hdpvr-video.c
@@ -279,12 +279,13 @@ static int hdpvr_start_streaming(struct
hdpvr_config_call(dev, CTRL_START_STREAMING_VALUE, 0x00);
+ dev->status = STATUS_STREAMING;
+
INIT_WORK(&dev->worker, hdpvr_transmit_buffers);
queue_work(dev->workqueue, &dev->worker);
v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev,
"streaming started\n");
- dev->status = STATUS_STREAMING;
return 0;
}
|
