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gpio: mockup: fix resource leak in error path

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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: 9202ba2397 ("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>
This commit is contained in:
Bartosz Golaszewski 2020-09-08 15:07:49 +02:00
parent 45ccf65567
commit 1b02d9e770
1 changed files with 2 additions and 0 deletions
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2
drivers/gpio/gpio-mockup.c
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@ -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);
}