diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 617374762b7c51e5c6b164a2adc057c64b53fa2a..f5800c3c9082a6f038c129327bccd22f5eb861fe 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -1759,6 +1759,7 @@ static void nvme_free_host_mem(struct nvme_dev *dev)
 			dev->nr_host_mem_descs * sizeof(*dev->host_mem_descs),
 			dev->host_mem_descs, dev->host_mem_descs_dma);
 	dev->host_mem_descs = NULL;
+	dev->nr_host_mem_descs = 0;
 }
 
 static int __nvme_alloc_host_mem(struct nvme_dev *dev, u64 preferred,