f2fs: fix to check upper boundary for gc_no_zoned_gc_percent

[ Upstream commit a919ae7 ]

This patch adds missing upper boundary check while setting
gc_no_zoned_gc_percent via sysfs.

Fixes: 9a481a1 ("f2fs: create gc_no_zoned_gc_percent and gc_boost_zoned_gc_percent")
Cc: Daeho Jeong <[email protected]>
Signed-off-by: Chao Yu <[email protected]>
Signed-off-by: Jaegeuk Kim <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>

Author: chaseyu

fs/f2fs/sysfs.c

@@ -628,6 +628,13 @@ static ssize_t __sbi_store(struct f2fs_attr *a,
 		return count;
 	}
 
+	if (!strcmp(a->attr.name, "gc_no_zoned_gc_percent")) {
+		if (t > 100)
+			return -EINVAL;
+		*ui = (unsigned int)t;
+		return count;
+	}
+
 	if (!strcmp(a->attr.name, "gc_boost_zoned_gc_percent")) {
 		if (t > 100)
 			return -EINVAL;