From: Bartosz Golaszewski bgolaszewski@baylibre.com
commit 1b02d9e770cd7087f34c743f85ccf5ea8372b047 upstream.
If the module init function fails after creating the debugs directory, it's never removed. Add proper cleanup calls to avoid this resource leak.
Fixes: 9202ba2397d1 ("gpio: mockup: implement event injecting over debugfs") Cc: stable@vger.kernel.org Signed-off-by: Bartosz Golaszewski bgolaszewski@baylibre.com Reviewed-by: Andy Shevchenko andriy.shevchenko@linux.intel.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/gpio/gpio-mockup.c | 2 ++ 1 file changed, 2 insertions(+)
--- a/drivers/gpio/gpio-mockup.c +++ b/drivers/gpio/gpio-mockup.c @@ -497,6 +497,7 @@ static int __init gpio_mockup_init(void) err = platform_driver_register(&gpio_mockup_driver); if (err) { gpio_mockup_err("error registering platform driver\n"); + debugfs_remove_recursive(gpio_mockup_dbg_dir); return err; }
@@ -527,6 +528,7 @@ static int __init gpio_mockup_init(void) gpio_mockup_err("error registering device"); platform_driver_unregister(&gpio_mockup_driver); gpio_mockup_unregister_pdevs(); + debugfs_remove_recursive(gpio_mockup_dbg_dir); return PTR_ERR(pdev); }