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[ARM] Fix "apm -s" command hang

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Fix an apparant hang with the "apm -s" command.  We omitted to wake up
this process once resume had completed.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2006-11-07 21:01:30 +00:00 committed by Russell King
parent b729c09a45
commit df58d03595
1 changed files with 8 additions and 1 deletions
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9
arch/arm/kernel/apm.c
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@ -340,6 +340,7 @@ apm_ioctl(struct inode * inode, struct file *filp, u_int cmd, u_long arg)
wait_event(apm_suspend_waitqueue,
as->suspend_state == SUSPEND_DONE);
} else {
as->suspend_state = SUSPEND_WAIT;
up(&state_lock);
/*
@ -349,8 +350,14 @@ apm_ioctl(struct inode * inode, struct file *filp, u_int cmd, u_long arg)
* acknowledged.
*/
err = queue_suspend_event(APM_USER_SUSPEND, as);
if (err < 0)
if (err < 0) {
/*
* Avoid taking the lock here - this
* should be fine.
*/
as->suspend_state = SUSPEND_NONE;
break;
}
if (err > 0)
apm_suspend();