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ACPI: no need to check return value of debugfs_create functions

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When calling debugfs functions, there is no need to ever check the
return value.  The function can work or not, but the code logic should
never do something different based on this.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Greg Kroah-Hartman
2019-01-22 16:21:03 +01:00
committed by Rafael J. Wysocki
parent 49a57857ae
commit 9ec6dbfbdc
4 changed files with 32 additions and 111 deletions
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15
drivers/acpi/acpi_dbg.c
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@@ -752,11 +752,6 @@ int __init acpi_aml_init(void)
{
int ret = 0;
if (!acpi_debugfs_dir) {
ret = -ENOENT;
goto err_exit;
}
/* Initialize AML IO interface */
mutex_init(&acpi_aml_io.lock);
init_waitqueue_head(&acpi_aml_io.wait);
@@ -766,10 +761,6 @@ int __init acpi_aml_init(void)
S_IFREG | S_IRUGO | S_IWUSR,
acpi_debugfs_dir, NULL,
&acpi_aml_operations);
if (acpi_aml_dentry == NULL) {
ret = -ENODEV;
goto err_exit;
}
ret = acpi_register_debugger(THIS_MODULE, &acpi_aml_debugger);
if (ret)
goto err_fs;
@@ -788,10 +779,8 @@ void __exit acpi_aml_exit(void)
{
if (acpi_aml_initialized) {
acpi_unregister_debugger(&acpi_aml_debugger);
if (acpi_aml_dentry) {
debugfs_remove(acpi_aml_dentry);
acpi_aml_dentry = NULL;
}
debugfs_remove(acpi_aml_dentry);
acpi_aml_dentry = NULL;
acpi_aml_initialized = false;
}
}