[PATCH] [UBUNTU:sound/core/] #34831: Fix hard freeze with timer {re, }store (timer)
crimsun at fungus.sh.nu
crimsun at fungus.sh.nu
Wed Jul 5 04:04:35 UTC 2006
Subject: [PATCH] [UBUNTU:sound/core/] #34831: Fix hard freeze with timer {re,}store (timer)
UpstreamStatus: Not yet merged, https://bugtrack.alsa-project.org/alsa-bug/view.php?id=952
Lee Revell provided this patch to fix a system freeze exhibited in
LP #34831, which can now be closed.
Signed-off-by: Daniel T Chen <crimsun at ubuntu.com>
---
sound/core/timer.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
6e7a1721659cd8cc1e1363f59d81179d0df6e300
diff --git a/sound/core/timer.c b/sound/core/timer.c
index 1b90a38..1e6613a 100644
--- a/sound/core/timer.c
+++ b/sound/core/timer.c
@@ -628,8 +628,9 @@ static void snd_timer_tasklet(unsigned l
snd_timer_instance_t *ti;
struct list_head *p;
unsigned long resolution, ticks;
+ unsigned long flags;
- spin_lock(&timer->lock);
+ spin_lock_irqsave(&timer->lock, flags);
/* now process all callbacks */
while (!list_empty(&timer->sack_list_head)) {
p = timer->sack_list_head.next; /* get first item */
@@ -649,7 +650,7 @@ static void snd_timer_tasklet(unsigned l
spin_lock(&timer->lock);
ti->flags &= ~SNDRV_TIMER_IFLG_CALLBACK;
}
- spin_unlock(&timer->lock);
+ spin_unlock_irqrestore(&timer->lock, flags);
}
/*
--
1.1.3
--
Daniel T. Chen crimsun at ubuntu.com
GPG key: www.sh.nu/~crimsun/pubkey.gpg.asc
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 189 bytes
Desc: not available
URL: <https://lists.ubuntu.com/archives/kernel-team/attachments/20060704/c1e0e09f/attachment.sig>
More information about the kernel-team
mailing list