mmc: block: Fix is_waiting_last_req set incorrectly

Commit 15520111500c ("mmc: core: Further fix thread wake-up") allowed a
queue to release the host with is_waiting_last_req set to true. A queue
waiting to claim the host will not reset it, which can result in the
queue getting stuck in a loop.

Fixes: 15520111500c ("mmc: core: Further fix thread wake-up")
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: stable@vger.kernel.org # v4.10+
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index 1621fa08e2069298f6a8438c8babdf11ae4a817c..e59107ca512a5e3dada6ce5468f3b935507998c7 100644 (file)
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -1817,6 +1817,7 @@ void mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
                mmc_blk_issue_flush(mq, req);
        } else {
                mmc_blk_issue_rw_rq(mq, req);
+               card->host->context_info.is_waiting_last_req = false;
        }
 
 out: