From b4aeb8b8232bd80764997bf38f574f63e118c259 Mon Sep 17 00:00:00 2001 From: Maxim Levitsky Date: Thu, 27 Sep 2007 20:34:15 -0300 Subject: [PATCH] V4L/DVB (6269): V4L: Fix a "scheduling while atomic" bug in saa7134 set_tvnorm can sleep in saa7134_i2c_xfer (it will be called through tuner code) but code calls it under spinlock. Fix that Signed-off-by: Maxim Levitsky Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/saa7134/saa7134-video.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/media/video/saa7134/saa7134-video.c b/drivers/media/video/saa7134/saa7134-video.c index cf40a9690a50..27c659cd0f30 100644 --- a/drivers/media/video/saa7134/saa7134-video.c +++ b/drivers/media/video/saa7134/saa7134-video.c @@ -1834,7 +1834,11 @@ static int video_do_ioctl(struct inode *inode, struct file *file, if (res_check(fh, RESOURCE_OVERLAY)) { spin_lock_irqsave(&dev->slock,flags); stop_preview(dev,fh); + spin_unlock_irqrestore(&dev->slock, flags); + set_tvnorm(dev,&tvnorms[i]); + + spin_lock_irqsave(&dev->slock, flags); start_preview(dev,fh); spin_unlock_irqrestore(&dev->slock,flags); } else -- 2.20.1