From: Pierre Ossman <drzeus@drzeus.cx>
Date: Sat, 28 Apr 2007 14:52:12 +0000 (+0200)
Subject: mmc: allow suspended block driver to be removed
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=d2b46f66b4b342be07a4194bd5e82384d07e470d;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git

mmc: allow suspended block driver to be removed

Make sure we don't deadlock when removing a suspended block
queue, something that might happen if the card is removed during
suspend.

Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
---

diff --git a/drivers/mmc/card/queue.c b/drivers/mmc/card/queue.c
index aa75ac11a19..2e77963db33 100644
--- a/drivers/mmc/card/queue.c
+++ b/drivers/mmc/card/queue.c
@@ -191,6 +191,9 @@ void mmc_cleanup_queue(struct mmc_queue *mq)
 	q->queuedata = NULL;
 	spin_unlock_irqrestore(q->queue_lock, flags);
 
+	/* Make sure the queue isn't suspended, as that will deadlock */
+	mmc_queue_resume(mq);
+
 	/* Then terminate our worker thread */
 	kthread_stop(mq->thread);