From ee5fc3978db3e6c59b1a04319d444b430b49d112 Mon Sep 17 00:00:00 2001
From: "yohan.joung" <yohan.joung@sk.com>
Date: Wed, 25 Jun 2025 09:14:07 +0900
Subject: [PATCH] f2fs: fix to check upper boundary for value of
 gc_boost_zoned_gc_percent

[ Upstream commit 10dcaa56ef93f2a45e4c3fec27d8e1594edad110 ]

to check the upper boundary when setting gc_boost_zoned_gc_percent

Fixes: 9a481a1c16f4 ("f2fs: create gc_no_zoned_gc_percent and gc_boost_zoned_gc_percent")
Signed-off-by: yohan.joung <yohan.joung@sk.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/f2fs/sysfs.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
index 75134d69a0bdc..d0ec9963ff1b3 100644
--- a/fs/f2fs/sysfs.c
+++ b/fs/f2fs/sysfs.c
@@ -628,6 +628,13 @@ out:
 		return count;
 	}
 
+	if (!strcmp(a->attr.name, "gc_boost_zoned_gc_percent")) {
+		if (t > 100)
+			return -EINVAL;
+		*ui = (unsigned int)t;
+		return count;
+	}
+
 #ifdef CONFIG_F2FS_IOSTAT
 	if (!strcmp(a->attr.name, "iostat_enable")) {
 		sbi->iostat_enable = !!t;
-- 
2.47.3