Merge tag 'please-pull-y2038prep' of git://git.kernel.org/pub/scm/linux/kernel/git...

[linux-2.6-microblaze.git] / drivers / nvme / host / pci.c

diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index f300319..c33bb20 100644 (file)
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -1663,6 +1663,9 @@ static void nvme_map_cmb(struct nvme_dev *dev)
        struct pci_dev *pdev = to_pci_dev(dev->dev);
        int bar;
 
+       if (dev->cmb_size)
+               return;
+
        dev->cmbsz = readl(dev->bar + NVME_REG_CMBSZ);
        if (!dev->cmbsz)
                return;
@@ -2147,7 +2150,6 @@ static void nvme_pci_disable(struct nvme_dev *dev)
 {
        struct pci_dev *pdev = to_pci_dev(dev->dev);
 
-       nvme_release_cmb(dev);
        pci_free_irq_vectors(pdev);
 
        if (pci_is_enabled(pdev)) {
@@ -2595,6 +2597,7 @@ static void nvme_remove(struct pci_dev *pdev)
        nvme_stop_ctrl(&dev->ctrl);
        nvme_remove_namespaces(&dev->ctrl);
        nvme_dev_disable(dev, true);
+       nvme_release_cmb(dev);
        nvme_free_host_mem(dev);
        nvme_dev_remove_admin(dev);
        nvme_free_queues(dev, 0);