Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b4aeb8b8232bd80764997bf38f574f63e118c259
Commit: b4aeb8b8232bd80764997bf38f574f63e118c259
Parent: 9900132f3437e9373aa030cdb5bd2d5db15566e3
Author: Maxim Levitsky <[EMAIL PROTECTED]>
AuthorDate: Thu Sep 27 20:34:15 2007 -0300
Committer: Mauro Carvalho Chehab <[EMAIL PROTECTED]>
CommitDate: Wed Oct 10 00:02:58 2007 -0300
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 <[EMAIL PROTECTED]>
Signed-off-by: Mauro Carvalho Chehab <[EMAIL PROTECTED]>
---
drivers/media/video/saa7134/saa7134-video.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/drivers/media/video/saa7134/saa7134-video.c
b/drivers/media/video/saa7134/saa7134-video.c
index cf40a96..27c659c 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
-
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