linux-kernel - [stable/4.14.y PATCH 3/3] mmc: Kill the request if the queuedata has been removed

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Message-Id: <20190513175521.84955-4-rrangel@chromium.org>
Date:   Mon, 13 May 2019 11:55:21 -0600
From:   Raul E Rangel <rrangel@...omium.org>
To:     stable@...r.kernel.org
Cc:     linux-mmc@...r.kernel.org, djkurtz@...gle.com,
        adrian.hunter@...el.com, zwisler@...omium.org,
        Raul E Rangel <rrangel@...omium.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        linux-kernel@...r.kernel.org, Ulf Hansson <ulf.hansson@...aro.org>
Subject: [stable/4.14.y PATCH 3/3] mmc: Kill the request if the queuedata has been removed

No reason to even try processing the request if the queue is shutting
down.

Signed-off-by: Raul E Rangel <rrangel@...omium.org>
---

 drivers/mmc/core/queue.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mmc/core/queue.c b/drivers/mmc/core/queue.c
index bd7d521d5ad9d..e7ac7163fafa4 100644
--- a/drivers/mmc/core/queue.c
+++ b/drivers/mmc/core/queue.c
@@ -30,7 +30,7 @@ static int mmc_prep_request(struct request_queue *q, struct request *req)
 {
 	struct mmc_queue *mq = q->queuedata;
 
-	if (mq && (mmc_card_removed(mq->card) || mmc_access_rpmb(mq)))
+	if (!mq || mmc_card_removed(mq->card) || mmc_access_rpmb(mq))
 		return BLKPREP_KILL;
 
 	req->rq_flags |= RQF_DONTPREP;
-- 
2.21.0.1020.gf2820cf01a-goog