linux-ext4 - [PATCH v2] ext4: remove unnecessary conditional

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Message-Id: <20220411032337.2517465-1-lv.ruyi@zte.com.cn>
Date:   Mon, 11 Apr 2022 03:23:37 +0000
From:   cgel.zte@...il.com
To:     tytso@....edu, adilger.kernel@...ger.ca
Cc:     linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org,
        Lv Ruyi <lv.ruyi@....com.cn>, Zeal Robot <zealci@....com.cn>
Subject: [PATCH v2] ext4: remove unnecessary conditional

From: Lv Ruyi <lv.ruyi@....com.cn>

iput() has already handled null and non-null parameter, so it is no
need to use if().

Reported-by: Zeal Robot <zealci@....com.cn>
Signed-off-by: Lv Ruyi <lv.ruyi@....com.cn>
---
v2: change subject from "remove redundant judgment" to
"remove unnecessary conditional"
---
 fs/ext4/fast_commit.c | 3 +--
 fs/ext4/namei.c       | 3 +--
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/fs/ext4/fast_commit.c b/fs/ext4/fast_commit.c
index 3d72565ec6e8..e85d351a1a31 100644
--- a/fs/ext4/fast_commit.c
+++ b/fs/ext4/fast_commit.c
@@ -1659,8 +1659,7 @@ static int ext4_fc_replay_create(struct super_block *sb, struct ext4_fc_tl *tl,
 	set_nlink(inode, 1);
 	ext4_mark_inode_dirty(NULL, inode);
 out:
-	if (inode)
-		iput(inode);
+	iput(inode);
 	return ret;
 }
 
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index e37da8d5cd0c..2fd3b24a21cd 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -3363,8 +3363,7 @@ static int ext4_symlink(struct user_namespace *mnt_userns, struct inode *dir,
 	err = ext4_add_nondir(handle, dentry, &inode);
 	if (handle)
 		ext4_journal_stop(handle);
-	if (inode)
-		iput(inode);
+	iput(inode);
 	goto out_free_encrypted_link;
 
 err_drop_inode:
-- 
2.25.1