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mmc: queue: Cancel recovery work on cleanup

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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: stable@vger.kernel.org
Signed-off-by: Christian Loehle <cloehle@hyperstone.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/c865c0c9789d428494b67b820a78923e@hyperstone.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Christian Löhle 2022-10-07 15:43:52 +00:00 committed by Ulf Hansson
parent 406e14808e
commit 339e3eb1fa
1 changed files with 7 additions and 0 deletions
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7
drivers/mmc/core/queue.c
View file

@ -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);
/*