linux-kernel - [PATCH v2] f2fs: cleanup in f2fs_create_flush_cmd

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Date:   Tue, 25 Oct 2022 15:56:23 +0800
From:   Yangtao Li <frank.li@...o.com>
To:     jaegeuk@...nel.org, chao@...nel.org
Cc:     linux-f2fs-devel@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org, Yangtao Li <frank.li@...o.com>
Subject: [PATCH v2] f2fs: cleanup in f2fs_create_flush_cmd_control()

Remove the local 'err' variable for readable,
no functional changes.

Signed-off-by: Yangtao Li <frank.li@...o.com>
---
 fs/f2fs/segment.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index acf3d3fa4363..ed247195a20c 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -620,12 +620,11 @@ int f2fs_create_flush_cmd_control(struct f2fs_sb_info *sbi)
 {
 	dev_t dev = sbi->sb->s_bdev->bd_dev;
 	struct flush_cmd_control *fcc;
-	int err = 0;
 
 	if (SM_I(sbi)->fcc_info) {
 		fcc = SM_I(sbi)->fcc_info;
 		if (fcc->f2fs_issue_flush)
-			return err;
+			return 0;
 		goto init_thread;
 	}
 
@@ -638,19 +637,18 @@ int f2fs_create_flush_cmd_control(struct f2fs_sb_info *sbi)
 	init_llist_head(&fcc->issue_list);
 	SM_I(sbi)->fcc_info = fcc;
 	if (!test_opt(sbi, FLUSH_MERGE))
-		return err;
+		return 0;
 
 init_thread:
 	fcc->f2fs_issue_flush = kthread_run(issue_flush_thread, sbi,
 				"f2fs_flush-%u:%u", MAJOR(dev), MINOR(dev));
 	if (IS_ERR(fcc->f2fs_issue_flush)) {
-		err = PTR_ERR(fcc->f2fs_issue_flush);
 		kfree(fcc);
 		SM_I(sbi)->fcc_info = NULL;
-		return err;
+		return PTR_ERR(fcc->f2fs_issue_flush);
 	}
 
-	return err;
+	return 0;
 }
 
 void f2fs_destroy_flush_cmd_control(struct f2fs_sb_info *sbi, bool free)
-- 
2.25.1