summaryrefslogtreecommitdiff
path: root/linux/drivers/media/video
diff options
context:
space:
mode:
authorHans Verkuil <hverkuil@xs4all.nl>2008-04-26 11:26:13 +0200
committerHans Verkuil <hverkuil@xs4all.nl>2008-04-26 11:26:13 +0200
commit66773b1cebc2702ec62f0e2129629926aa7fbc2a (patch)
tree3b141b00e4be90c8381bf3e553d7dfd31b80c38d /linux/drivers/media/video
parentee599427c89af564445f16589d0eebe41bcfabbe (diff)
downloadmediapointer-dvb-s2-66773b1cebc2702ec62f0e2129629926aa7fbc2a.tar.gz
mediapointer-dvb-s2-66773b1cebc2702ec62f0e2129629926aa7fbc2a.tar.bz2
ivtv: fix oops when itv->speed == 0 and VIDEO_CMD_PLAY is called.
From: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Diffstat (limited to 'linux/drivers/media/video')
-rw-r--r--linux/drivers/media/video/ivtv/ivtv-ioctl.c31
1 files changed, 21 insertions, 10 deletions
diff --git a/linux/drivers/media/video/ivtv/ivtv-ioctl.c b/linux/drivers/media/video/ivtv/ivtv-ioctl.c
index 16aa28237..9de530d02 100644
--- a/linux/drivers/media/video/ivtv/ivtv-ioctl.c
+++ b/linux/drivers/media/video/ivtv/ivtv-ioctl.c
@@ -243,20 +243,31 @@ static int ivtv_validate_speed(int cur_speed, int new_speed)
int fact = new_speed < 0 ? -1 : 1;
int s;
- if (new_speed < 0) new_speed = -new_speed;
- if (cur_speed < 0) cur_speed = -cur_speed;
+ if (cur_speed == 0)
+ cur_speed = 1000;
+ if (new_speed < 0)
+ new_speed = -new_speed;
+ if (cur_speed < 0)
+ cur_speed = -cur_speed;
if (cur_speed <= new_speed) {
- if (new_speed > 1500) return fact * 2000;
- if (new_speed > 1000) return fact * 1500;
+ if (new_speed > 1500)
+ return fact * 2000;
+ if (new_speed > 1000)
+ return fact * 1500;
}
else {
- if (new_speed >= 2000) return fact * 2000;
- if (new_speed >= 1500) return fact * 1500;
- if (new_speed >= 1000) return fact * 1000;
- }
- if (new_speed == 0) return 1000;
- if (new_speed == 1 || new_speed == 1000) return fact * new_speed;
+ if (new_speed >= 2000)
+ return fact * 2000;
+ if (new_speed >= 1500)
+ return fact * 1500;
+ if (new_speed >= 1000)
+ return fact * 1000;
+ }
+ if (new_speed == 0)
+ return 1000;
+ if (new_speed == 1 || new_speed == 1000)
+ return fact * new_speed;
s = new_speed;
new_speed = 1000 / new_speed;