diff options
Diffstat (limited to 'drivers/gpio/gpio-virtuser.c')
-rw-r--r-- | drivers/gpio/gpio-virtuser.c | 36 |
1 files changed, 25 insertions, 11 deletions
diff --git a/drivers/gpio/gpio-virtuser.c b/drivers/gpio/gpio-virtuser.c index 91b6352c957c..e89b1239b635 100644 --- a/drivers/gpio/gpio-virtuser.c +++ b/drivers/gpio/gpio-virtuser.c @@ -1439,6 +1439,15 @@ gpio_virtuser_make_lookup_table(struct gpio_virtuser_device *dev) return 0; } +static void +gpio_virtuser_remove_lookup_table(struct gpio_virtuser_device *dev) +{ + gpiod_remove_lookup_table(dev->lookup_table); + kfree(dev->lookup_table->dev_id); + kfree(dev->lookup_table); + dev->lookup_table = NULL; +} + static struct fwnode_handle * gpio_virtuser_make_device_swnode(struct gpio_virtuser_device *dev) { @@ -1487,10 +1496,8 @@ gpio_virtuser_device_activate(struct gpio_virtuser_device *dev) pdevinfo.fwnode = swnode; ret = gpio_virtuser_make_lookup_table(dev); - if (ret) { - fwnode_remove_software_node(swnode); - return ret; - } + if (ret) + goto err_remove_swnode; reinit_completion(&dev->probe_completion); dev->driver_bound = false; @@ -1498,23 +1505,31 @@ gpio_virtuser_device_activate(struct gpio_virtuser_device *dev) pdev = platform_device_register_full(&pdevinfo); if (IS_ERR(pdev)) { + ret = PTR_ERR(pdev); bus_unregister_notifier(&platform_bus_type, &dev->bus_notifier); - fwnode_remove_software_node(swnode); - return PTR_ERR(pdev); + goto err_remove_lookup_table; } wait_for_completion(&dev->probe_completion); bus_unregister_notifier(&platform_bus_type, &dev->bus_notifier); if (!dev->driver_bound) { - platform_device_unregister(pdev); - fwnode_remove_software_node(swnode); - return -ENXIO; + ret = -ENXIO; + goto err_unregister_pdev; } dev->pdev = pdev; return 0; + +err_unregister_pdev: + platform_device_unregister(pdev); +err_remove_lookup_table: + gpio_virtuser_remove_lookup_table(dev); +err_remove_swnode: + fwnode_remove_software_node(swnode); + + return ret; } static void @@ -1526,10 +1541,9 @@ gpio_virtuser_device_deactivate(struct gpio_virtuser_device *dev) swnode = dev_fwnode(&dev->pdev->dev); platform_device_unregister(dev->pdev); + gpio_virtuser_remove_lookup_table(dev); fwnode_remove_software_node(swnode); dev->pdev = NULL; - gpiod_remove_lookup_table(dev->lookup_table); - kfree(dev->lookup_table); } static ssize_t |