From 94256dd680f837dc14dd7d1377c5326fb3362721 Mon Sep 17 00:00:00 2001 From: Andrew Morton Date: Mon, 16 Apr 2007 22:53:25 -0700 Subject: drivers/macintosh/smu.c: fix locking snafu It got its lock and unlock backwards. Fixes http://bugzilla.kernel.org/show_bug.cgi?id=8334 (obviously, this code could be using plain old spin_lock_irq(), too) Cc: Cc: Benjamin Herrenschmidt Cc: Paul Mackerras Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/macintosh/smu.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/macintosh') diff --git a/drivers/macintosh/smu.c b/drivers/macintosh/smu.c index 3096836d8bd..c9f3dc4fd3e 100644 --- a/drivers/macintosh/smu.c +++ b/drivers/macintosh/smu.c @@ -1259,9 +1259,9 @@ static int smu_release(struct inode *inode, struct file *file) set_current_state(TASK_UNINTERRUPTIBLE); if (pp->cmd.status != 1) break; - spin_lock_irqsave(&pp->lock, flags); - schedule(); spin_unlock_irqrestore(&pp->lock, flags); + schedule(); + spin_lock_irqsave(&pp->lock, flags); } set_current_state(TASK_RUNNING); remove_wait_queue(&pp->wait, &wait); -- cgit v1.2.3