eeepc-laptop: fix device reference count leakage in eeepc_rfkill_hotplug()

Fix a device reference count leakage issue in function
eeepc_rfkill_hotplug().

Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>

diff --git a/drivers/platform/x86/eeepc-laptop.c b/drivers/platform/x86/eeepc-laptop.c
index dab91b4..5ca2641 100644 (file)
--- a/drivers/platform/x86/eeepc-laptop.c
+++ b/drivers/platform/x86/eeepc-laptop.c
@@ -610,12 +610,12 @@ static void eeepc_rfkill_hotplug(struct eeepc_laptop *eeepc, acpi_handle handle)
 
                if (!bus) {
                        pr_warn("Unable to find PCI bus 1?\n");
-                       goto out_unlock;
+                       goto out_put_dev;
                }
 
                if (pci_bus_read_config_dword(bus, 0, PCI_VENDOR_ID, &l)) {
                        pr_err("Unable to read PCI config space?\n");
-                       goto out_unlock;
+                       goto out_put_dev;
                }
 
                absent = (l == 0xffffffff);
@@ -627,7 +627,7 @@ static void eeepc_rfkill_hotplug(struct eeepc_laptop *eeepc, acpi_handle handle)
                                absent ? "absent" : "present");
                        pr_warn("skipped wireless hotplug as probably "
                                "inappropriate for this model\n");
-                       goto out_unlock;
+                       goto out_put_dev;
                }
 
                if (!blocked) {
@@ -635,7 +635,7 @@ static void eeepc_rfkill_hotplug(struct eeepc_laptop *eeepc, acpi_handle handle)
                        if (dev) {
                                /* Device already present */
                                pci_dev_put(dev);
-                               goto out_unlock;
+                               goto out_put_dev;
                        }
                        dev = pci_scan_single_device(bus, 0);
                        if (dev) {
@@ -650,6 +650,8 @@ static void eeepc_rfkill_hotplug(struct eeepc_laptop *eeepc, acpi_handle handle)
                                pci_dev_put(dev);
                        }
                }
+out_put_dev:
+               pci_dev_put(port);
        }
 
 out_unlock: