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authorDean Anderson <dean@sensoray.com>2009-04-20 19:07:44 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2009-04-29 15:41:14 -0300
commit9d63cec16829ac3600c5014d207a659df3b93c9a (patch)
tree89edc69720bba4a026ac6228b8b79ab24565f473
parent272aa3966b3244e576c5c07bfff77ea320b89317 (diff)
downloadlinux-2.6.34-ux500-9d63cec16829ac3600c5014d207a659df3b93c9a.tar.gz
V4L/DVB (11570): patch: s2255drv: fix race condition on set mode
set_modeready flag must be set before command sent to USB in s2255_write_config. Signed-off-by: Dean Anderson <dean@sensoray.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
-rw-r--r--drivers/media/video/s2255drv.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/media/video/s2255drv.c b/drivers/media/video/s2255drv.c
index 5202cadb2aa..30f4698be90 100644
--- a/drivers/media/video/s2255drv.c
+++ b/drivers/media/video/s2255drv.c
@@ -1237,6 +1237,7 @@ static int s2255_set_mode(struct s2255_dev *dev, unsigned long chn,
buffer[1] = (u32) chn_rev;
buffer[2] = CMD_SET_MODE;
memcpy(&buffer[3], &dev->mode[chn], sizeof(struct s2255_mode));
+ dev->setmode_ready[chn] = 0;
res = s2255_write_config(dev->udev, (unsigned char *)buffer, 512);
if (debug)
dump_verify_mode(dev, mode);
@@ -1245,7 +1246,6 @@ static int s2255_set_mode(struct s2255_dev *dev, unsigned long chn,
/* wait at least 3 frames before continuing */
if (mode->restart) {
- dev->setmode_ready[chn] = 0;
wait_event_timeout(dev->wait_setmode[chn],
(dev->setmode_ready[chn] != 0),
msecs_to_jiffies(S2255_SETMODE_TIMEOUT));