Commit 7b30d281 authored Dec 07, 2006 by Vitaly Wool Committed by Pierre Ossman Dec 11, 2006

mmc: fix "prev->state: 2 != TASK_RUNNING??" problem on SD/MMC card removal



Currently on SD/MMC card removal the system exhibits the following message (the platform is ARM Versatile):

    prev->state: 2 != TASK_RUNNING??
    mmcqd/762[CPU#0]: BUG in __schedule at linux-2.6/kernel/sched.c:3826

(akpm: someone tried to fix this, but it's still wrong)

Signed-off-by: Vitaly Wool <vitalywool@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>

parent f3a8efa9

drivers/mmc/mmc_queue.c

+3 −1

Original line number	Original line	Diff line number	Diff line
	@@ -78,8 +78,10 @@ static int mmc_queue_thread(void *d)
	spin_unlock_irq(q->queue_lock);		spin_unlock_irq(q->queue_lock);

	if (!req) {		if (!req) {
	if (kthread_should_stop())		if (kthread_should_stop()) {
			set_current_state(TASK_RUNNING);
	break;		break;
			}
	up(&mq->thread_sem);		up(&mq->thread_sem);
	schedule();		schedule();
	down(&mq->thread_sem);		down(&mq->thread_sem);