mmc: queue: Cancel recovery work on cleanup

To prevent any recovery work running after the queue cleanup cancel it.
Any recovery running post-cleanup dereferenced mq->card as NULL
and was not meaningful to begin with.

Cc: [email protected]
Signed-off-by: Christian Loehle <[email protected]>
Acked-by: Adrian Hunter <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Ulf Hansson <[email protected]>

Author: cloehle

drivers/mmc/core/queue.c

@@ -493,6 +493,13 @@ void mmc_cleanup_queue(struct mmc_queue *mq)
 	if (blk_queue_quiesced(q))
 		blk_mq_unquiesce_queue(q);
 
+	/*
+	 * If the recovery completes the last (and only remaining) request in
+	 * the queue, and the card has been removed, we could end up here with
+	 * the recovery not quite finished yet, so cancel it.
+	 */
+	cancel_work_sync(&mq->recovery_work);
+
 	blk_mq_free_tag_set(&mq->tag_set);
 
 	/*