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-rw-r--r--drivers/nvme/host/pci.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 72ef832..e5c2bea 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -678,6 +678,11 @@ static int nvme_queue_rq(struct blk_mq_hw_ctx *hctx,
blk_mq_start_request(req);
spin_lock_irq(&nvmeq->q_lock);
+ if (unlikely(nvmeq->cq_vector < 0)) {
+ ret = BLK_MQ_RQ_QUEUE_BUSY;
+ spin_unlock_irq(&nvmeq->q_lock);
+ goto out;
+ }
__nvme_submit_cmd(nvmeq, &cmnd);
nvme_process_cq(nvmeq);
spin_unlock_irq(&nvmeq->q_lock);
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