diff options
| -rw-r--r-- | drivers/nvme/host/pci.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index f5d12bf109c7..9b1fc8633cfe 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -271,9 +271,21 @@ static void nvme_dbbuf_init(struct nvme_dev *dev, nvmeq->dbbuf_cq_ei = &dev->dbbuf_eis[cq_idx(qid, dev->db_stride)]; } +static void nvme_dbbuf_free(struct nvme_queue *nvmeq) +{ + if (!nvmeq->qid) + return; + + nvmeq->dbbuf_sq_db = NULL; + nvmeq->dbbuf_cq_db = NULL; + nvmeq->dbbuf_sq_ei = NULL; + nvmeq->dbbuf_cq_ei = NULL; +} + static void nvme_dbbuf_set(struct nvme_dev *dev) { struct nvme_command c; + unsigned int i; if (!dev->dbbuf_dbs) return; @@ -287,6 +299,9 @@ static void nvme_dbbuf_set(struct nvme_dev *dev) dev_warn(dev->ctrl.device, "unable to set dbbuf\n"); /* Free memory and continue on */ nvme_dbbuf_dma_free(dev); + + for (i = 1; i <= dev->online_queues; i++) + nvme_dbbuf_free(&dev->queues[i]); } } |