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Pull apm-freeze-fix into release branch

This commit is contained in:
Len Brown 2007-12-06 16:51:29 -05:00
parent f7a5274d7d cb43c54ca0
commit 921314811b
1 changed files with 8 additions and 7 deletions
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15
drivers/char/apm-emulation.c
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@ -295,7 +295,6 @@ static int
apm_ioctl(struct inode * inode, struct file *filp, u_int cmd, u_long arg)
{
struct apm_user *as = filp->private_data;
unsigned long flags;
int err = -EINVAL;
if (!as->suser || !as->writer)
@ -331,10 +330,16 @@ apm_ioctl(struct inode * inode, struct file *filp, u_int cmd, u_long arg)
* Wait for the suspend/resume to complete. If there
* are pending acknowledges, we wait here for them.
*/
flags = current->flags;
freezer_do_not_count();
wait_event(apm_suspend_waitqueue,
as->suspend_state == SUSPEND_DONE);
/*
* Since we are waiting until the suspend is done, the
* try_to_freeze() in freezer_count() will not trigger
*/
freezer_count();
} else {
as->suspend_state = SUSPEND_WAIT;
mutex_unlock(&state_lock);
@ -362,14 +367,10 @@ apm_ioctl(struct inode * inode, struct file *filp, u_int cmd, u_long arg)
* Wait for the suspend/resume to complete. If there
* are pending acknowledges, we wait here for them.
*/
flags = current->flags;
wait_event_interruptible(apm_suspend_waitqueue,
wait_event_freezable(apm_suspend_waitqueue,
as->suspend_state == SUSPEND_DONE);
}
current->flags = flags;
mutex_lock(&state_lock);
err = as->suspend_result;
as->suspend_state = SUSPEND_NONE;