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>
diff --git a/drivers/mmc/mmc_queue.c b/drivers/mmc/mmc_queue.c
index a17423a..3e35a43 100644
--- a/drivers/mmc/mmc_queue.c
+++ b/drivers/mmc/mmc_queue.c
@@ -78,8 +78,10 @@
spin_unlock_irq(q->queue_lock);
if (!req) {
- if (kthread_should_stop())
+ if (kthread_should_stop()) {
+ set_current_state(TASK_RUNNING);
break;
+ }
up(&mq->thread_sem);
schedule();
down(&mq->thread_sem);