linux-ext4 - [PATCH 4/4] ext4: remove unnecessary NULL pointer check

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Message-Id: <1358496074-6228-4-git-send-email-yan@linux.vnet.ibm.com>
Date:	Fri, 18 Jan 2013 16:01:14 +0800
From:	Guo Chao <yan@...ux.vnet.ibm.com>
To:	tytso@....edu
Cc:	linux-ext4@...r.kernel.org
Subject: [PATCH 4/4] ext4: remove unnecessary NULL pointer check

brelse() and ext4_journal_force_commit() are both inlined and able
to handle NULL.

Signed-off-by: Guo Chao <yan@...ux.vnet.ibm.com>
---
 fs/ext4/namei.c |    3 +--
 fs/ext4/super.c |    6 +-----
 2 files changed, 2 insertions(+), 7 deletions(-)

diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index e35ea3d..f0812c0 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -2110,8 +2110,7 @@ static int ext4_dx_add_entry(handle_t *handle, struct dentry *dentry,
 journal_error:
 	ext4_std_error(dir->i_sb, err);
 cleanup:
-	if (bh)
-		brelse(bh);
+	brelse(bh);
 	dx_release(frames);
 	return err;
 }
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 3d4fb81..f3acd6f 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -4476,16 +4476,12 @@ static void ext4_clear_journal_err(struct super_block *sb,
 int ext4_force_commit(struct super_block *sb)
 {
 	journal_t *journal;
-	int ret = 0;
 
 	if (sb->s_flags & MS_RDONLY)
 		return 0;
 
 	journal = EXT4_SB(sb)->s_journal;
-	if (journal)
-		ret = ext4_journal_force_commit(journal);
-
-	return ret;
+	return ext4_journal_force_commit(journal);
 }
 
 static int ext4_sync_fs(struct super_block *sb, int wait)
-- 
1.7.9.5

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