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authorBartosz Golaszewski <bgolaszewski@baylibre.com>2020-09-08 15:07:49 +0200
committerBartosz Golaszewski <bgolaszewski@baylibre.com>2020-09-09 13:07:11 +0200
commit1b02d9e770cd7087f34c743f85ccf5ea8372b047 (patch)
treea7ad153c1c7b2e84b7e8d90e083879e31e2ea0ee /drivers/gpio
parent45ccf6556720293323c20cda717756014ff63007 (diff)
gpio: mockup: fix resource leak in error path
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>
Diffstat (limited to 'drivers/gpio')
-rw-r--r--drivers/gpio/gpio-mockup.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpio/gpio-mockup.c b/drivers/gpio/gpio-mockup.c
index bc345185db26..1652897fdf90 100644
--- a/drivers/gpio/gpio-mockup.c
+++ b/drivers/gpio/gpio-mockup.c
@@ -552,6 +552,7 @@ 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;
}
@@ -582,6 +583,7 @@ 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);
}