From: zhong jiang <zhongjiang@huawei.com>
Date: Sat, 18 Aug 2018 10:49:20 +0000 (+0800)
Subject: ACPI: custom_method: remove meaningless null check before debugfs_remove()
X-Git-Tag: v4.20-rc1~176^2~2^6~1
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=7e79a69273272df016928144062b97bcb11d1122;p=linux.git

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 e967c1173ba3..4451877f83b6 100644
--- 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);