ACPI: custom_method: remove meaningless null check before debugfs_remove()

debugfs_remove() has taken null pointer into account. So it is safe
to remove the check before debugfs_remove().

Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/acpi/custom_method.c b/drivers/acpi/custom_method.c
index e967c11..4451877 100644 (file)
--- a/drivers/acpi/custom_method.c
+++ b/drivers/acpi/custom_method.c
@@ -92,8 +92,7 @@ static int __init acpi_custom_method_init(void)
 
 static void __exit acpi_custom_method_exit(void)
 {
-       if (cm_dentry)
-               debugfs_remove(cm_dentry);
+       debugfs_remove(cm_dentry);
 }
 
 module_init(acpi_custom_method_init);