linux-kernel - [f2fs-dev] [PATCH] f2fs: fix incorrect parsing with option string

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Message-id: <000301cf41c5$10f247b0$32d6d710$@samsung.com>
Date:	Mon, 17 Mar 2014 17:40:40 +0800
From:	Chao Yu <chao2.yu@...sung.com>
To:	??? <jaegeuk.kim@...sung.com>
Cc:	linux-f2fs-devel@...ts.sourceforge.net,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [f2fs-dev] [PATCH] f2fs: fix incorrect parsing with option string

Previously 'background_gc={on***,off***}' is being parsed as correct option,
with this patch we cloud fix the trivial bug in mount process.

Signed-off-by: Chao Yu <chao2.yu@...sung.com>
---
 fs/f2fs/super.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 057a3ef..6597290 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -258,9 +258,9 @@ static int parse_options(struct super_block *sb, char *options)
 
 			if (!name)
 				return -ENOMEM;
-			if (!strncmp(name, "on", 2))
+			if (!strncmp(name, "on", strlen(name)))
 				set_opt(sbi, BG_GC);
-			else if (!strncmp(name, "off", 3))
+			else if (!strncmp(name, "off", strlen(name)))
 				clear_opt(sbi, BG_GC);
 			else {
 				kfree(name);
-- 
1.7.9.5


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