linux-kernel - [PATCH AUTOSEL 6.0 37/46] btrfs: remove the unnecessary result variables

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Date:   Tue, 11 Oct 2022 10:50:05 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     zhang songyi <zhang.songyi@....com.cn>,
        Zeal Robot <zealci@....com.cn>,
        Anand Jain <anand.jain@...cle.com>,
        David Sterba <dsterba@...e.com>,
        Sasha Levin <sashal@...nel.org>, clm@...com,
        josef@...icpanda.com, linux-btrfs@...r.kernel.org
Subject: [PATCH AUTOSEL 6.0 37/46] btrfs: remove the unnecessary result variables

From: zhang songyi <zhang.songyi@....com.cn>

[ Upstream commit bd64f6221a98fb1857485c63fd3d8da8d47406c6 ]

Return the sysfs_emit() and iterate_object_props() directly instead of
using unnecessary variables.

Reported-by: Zeal Robot <zealci@....com.cn>
Reviewed-by: Anand Jain <anand.jain@...cle.com>
Signed-off-by: zhang songyi <zhang.songyi@....com.cn>
Reviewed-by: David Sterba <dsterba@...e.com>
Signed-off-by: David Sterba <dsterba@...e.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 fs/btrfs/props.c |  5 +----
 fs/btrfs/sysfs.c | 10 ++--------
 2 files changed, 3 insertions(+), 12 deletions(-)

diff --git a/fs/btrfs/props.c b/fs/btrfs/props.c
index a2ec8ecae8de..055a631276ce 100644
--- a/fs/btrfs/props.c
+++ b/fs/btrfs/props.c
@@ -270,11 +270,8 @@ int btrfs_load_inode_props(struct inode *inode, struct btrfs_path *path)
 {
 	struct btrfs_root *root = BTRFS_I(inode)->root;
 	u64 ino = btrfs_ino(BTRFS_I(inode));
-	int ret;
-
-	ret = iterate_object_props(root, path, ino, inode_prop_iterator, inode);
 
-	return ret;
+	return iterate_object_props(root, path, ino, inode_prop_iterator, inode);
 }
 
 static int prop_compression_validate(const struct btrfs_inode *inode,
diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c
index d5d0717fd09a..484a4ed3ecf8 100644
--- a/fs/btrfs/sysfs.c
+++ b/fs/btrfs/sysfs.c
@@ -837,11 +837,8 @@ static ssize_t btrfs_sinfo_bg_reclaim_threshold_show(struct kobject *kobj,
 						     char *buf)
 {
 	struct btrfs_space_info *space_info = to_space_info(kobj);
-	ssize_t ret;
-
-	ret = sysfs_emit(buf, "%d\n", READ_ONCE(space_info->bg_reclaim_threshold));
 
-	return ret;
+	return sysfs_emit(buf, "%d\n", READ_ONCE(space_info->bg_reclaim_threshold));
 }
 
 static ssize_t btrfs_sinfo_bg_reclaim_threshold_store(struct kobject *kobj,
@@ -1222,11 +1219,8 @@ static ssize_t btrfs_bg_reclaim_threshold_show(struct kobject *kobj,
 					       char *buf)
 {
 	struct btrfs_fs_info *fs_info = to_fs_info(kobj);
-	ssize_t ret;
-
-	ret = sysfs_emit(buf, "%d\n", READ_ONCE(fs_info->bg_reclaim_threshold));
 
-	return ret;
+	return sysfs_emit(buf, "%d\n", READ_ONCE(fs_info->bg_reclaim_threshold));
 }
 
 static ssize_t btrfs_bg_reclaim_threshold_store(struct kobject *kobj,
-- 
2.35.1