linux-kernel - [PATCH] staging: exfat: remove the redundant check when kfree an object in exfat_destroy

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-ID: <1567591408-24268-1-git-send-email-zhongjiang@huawei.com>
Date:   Wed, 4 Sep 2019 18:03:28 +0800
From:   zhong jiang <zhongjiang@...wei.com>
To:     <gregkh@...uxfoundation.org>, <valdis.kletnieks@...edu>
CC:     <linux-kernel@...r.kernel.org>, <zhongjiang@...wei.com>
Subject: [PATCH] staging: exfat: remove the redundant check when kfree an object in exfat_destroy_inode

kfree has taken the null check in account. hence it is unnecessary to add the
null check before kfree the object. Just remove it.

Signed-off-by: zhong jiang <zhongjiang@...wei.com>
---
 drivers/staging/exfat/exfat_super.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/staging/exfat/exfat_super.c b/drivers/staging/exfat/exfat_super.c
index 5b5c2ca..87f858b 100644
--- a/drivers/staging/exfat/exfat_super.c
+++ b/drivers/staging/exfat/exfat_super.c
@@ -3487,8 +3487,7 @@ static struct inode *exfat_alloc_inode(struct super_block *sb)
 
 static void exfat_destroy_inode(struct inode *inode)
 {
-	if (EXFAT_I(inode)->target)
-		kfree(EXFAT_I(inode)->target);
+	kfree(EXFAT_I(inode)->target);
 	EXFAT_I(inode)->target = NULL;
 
 	kmem_cache_free(exfat_inode_cachep, EXFAT_I(inode));
-- 
1.7.12.4