From: Hannes Reinecke <hare@xxxxxxx>
[ Upstream commit 4237de2f73a669e4f89ac0aa2b44fb1a1d9ec583 ]
We need to check the NVME_LOOP_Q_LIVE flag in
nvme_loop_destroy_admin_queue() to protect against duplicate
invocations eg during concurrent reset and remove calls.
Signed-off-by: Hannes Reinecke <hare@xxxxxxx>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@xxxxxxx>
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/nvme/target/loop.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/nvme/target/loop.c b/drivers/nvme/target/loop.c
index c07b4a14d477..df0e5288ae6e 100644
--- a/drivers/nvme/target/loop.c
+++ b/drivers/nvme/target/loop.c
@@ -251,7 +251,8 @@ static const struct blk_mq_ops nvme_loop_admin_mq_ops = {
static void nvme_loop_destroy_admin_queue(struct nvme_loop_ctrl *ctrl)
{
- clear_bit(NVME_LOOP_Q_LIVE, &ctrl->queues[0].flags);
+ if (!test_and_clear_bit(NVME_LOOP_Q_LIVE, &ctrl->queues[0].flags))
+ return;
nvmet_sq_destroy(&ctrl->queues[0].nvme_sq);
blk_cleanup_queue(ctrl->ctrl.admin_q);
blk_cleanup_queue(ctrl->ctrl.fabrics_q);
--
2.30.2
