To prevent any recovery work running after the queue cleanup flush it. Any recovery running post-cleanup dereferenced mq->card as NULL and was not meaningful to begin with. Cc: stable@xxxxxxxxxxxxxxx Signed-off-by: Christian Loehle <cloehle@xxxxxxxxxxxxxx> --- drivers/mmc/core/queue.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/mmc/core/queue.c b/drivers/mmc/core/queue.c index fefaa901b50f..a1b985d3dfda 100644 --- a/drivers/mmc/core/queue.c +++ b/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 flush it. + */ + flush_work(&mq->recovery_work); + blk_mq_free_tag_set(&mq->tag_set); /* -- 2.37.3 Hyperstone GmbH | Reichenaustr. 39a | 78467 Konstanz Managing Director: Dr. Jan Peter Berns. Commercial register of local courts: Freiburg HRB381782