Merge tag 'char-misc-4.13-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregk...

[karo-tx-linux.git] / drivers / nvme / host / pci.c

diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index cd888a47d0fccb728b155f75aa85f0836ec4eac3..74a124a062640ae77abb8554881e1a93222abd2d 100644 (file)
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -1558,11 +1558,9 @@ static inline void nvme_release_cmb(struct nvme_dev *dev)
        if (dev->cmb) {
                iounmap(dev->cmb);
                dev->cmb = NULL;
-               if (dev->cmbsz) {
-                       sysfs_remove_file_from_group(&dev->ctrl.device->kobj,
-                                                    &dev_attr_cmb.attr, NULL);
-                       dev->cmbsz = 0;
-               }
+               sysfs_remove_file_from_group(&dev->ctrl.device->kobj,
+                                            &dev_attr_cmb.attr, NULL);
+               dev->cmbsz = 0;
        }
 }
 
@@ -1953,16 +1951,14 @@ static int nvme_pci_enable(struct nvme_dev *dev)
 
        /*
         * CMBs can currently only exist on >=1.2 PCIe devices. We only
-        * populate sysfs if a CMB is implemented. Note that we add the
-        * CMB attribute to the nvme_ctrl kobj which removes the need to remove
-        * it on exit. Since nvme_dev_attrs_group has no name we can pass
-        * NULL as final argument to sysfs_add_file_to_group.
+        * populate sysfs if a CMB is implemented. Since nvme_dev_attrs_group
+        * has no name we can pass NULL as final argument to
+        * sysfs_add_file_to_group.
         */
 
        if (readl(dev->bar + NVME_REG_VS) >= NVME_VS(1, 2, 0)) {
                dev->cmb = nvme_map_cmb(dev);
-
-               if (dev->cmbsz) {
+               if (dev->cmb) {
                        if (sysfs_add_file_to_group(&dev->ctrl.device->kobj,
                                                    &dev_attr_cmb.attr, NULL))
                                dev_warn(dev->ctrl.device,