linux-kernel - [PATCH 1/2] f2fs: cleanup in f2fs_create_flush_cmd_control() and f2fs_start_gc

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Date:   Thu, 27 Oct 2022 18:24:46 +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 1/2] f2fs: cleanup in f2fs_create_flush_cmd_control() and f2fs_start_gc_thread()

Just cleanup for readable, no functional changes.

Signed-off-by: Yangtao Li <frank.li@...o.com>
---
 fs/f2fs/gc.c      | 14 ++++++--------
 fs/f2fs/segment.c |  3 +--
 2 files changed, 7 insertions(+), 10 deletions(-)

diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index 674a905063db..85d16f4106de 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -171,13 +171,10 @@ int f2fs_start_gc_thread(struct f2fs_sb_info *sbi)
 {
 	struct f2fs_gc_kthread *gc_th;
 	dev_t dev = sbi->sb->s_bdev->bd_dev;
-	int err = 0;
 
 	gc_th = f2fs_kmalloc(sbi, sizeof(struct f2fs_gc_kthread), GFP_KERNEL);
-	if (!gc_th) {
-		err = -ENOMEM;
-		goto out;
-	}
+	if (!gc_th)
+		return -ENOMEM;
 
 	gc_th->urgent_sleep_time = DEF_GC_THREAD_URGENT_SLEEP_TIME;
 	gc_th->min_sleep_time = DEF_GC_THREAD_MIN_SLEEP_TIME;
@@ -192,12 +189,13 @@ int f2fs_start_gc_thread(struct f2fs_sb_info *sbi)
 	sbi->gc_thread->f2fs_gc_task = kthread_run(gc_thread_func, sbi,
 			"f2fs_gc-%u:%u", MAJOR(dev), MINOR(dev));
 	if (IS_ERR(gc_th->f2fs_gc_task)) {
-		err = PTR_ERR(gc_th->f2fs_gc_task);
+		int err = PTR_ERR(gc_th->f2fs_gc_task);
 		kfree(gc_th);
 		sbi->gc_thread = NULL;
+		return err;
 	}
-out:
-	return err;
+
+	return 0;
 }
 
 void f2fs_stop_gc_thread(struct f2fs_sb_info *sbi)
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 282616e6852a..becceee8e337 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -638,7 +638,6 @@ 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;
 
 	if (SM_I(sbi)->fcc_info) {
 		fcc = SM_I(sbi)->fcc_info;
@@ -662,7 +661,7 @@ int f2fs_create_flush_cmd_control(struct f2fs_sb_info *sbi)
 	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);
+		int err = PTR_ERR(fcc->f2fs_issue_flush);
 		kfree(fcc);
 		SM_I(sbi)->fcc_info = NULL;
 		return err;
-- 
2.25.1