linux-kernel - [PATCH AUTOSEL 4.9 07/26] fs/jfs: Fix missing error code in lmLogInit()

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Message-Id: <20210710023604.3172486-7-sashal@kernel.org>
Date:   Fri,  9 Jul 2021 22:35:45 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>,
        Abaci Robot <abaci@...ux.alibaba.com>,
        Dave Kleikamp <dave.kleikamp@...cle.com>,
        Sasha Levin <sashal@...nel.org>,
        jfs-discussion@...ts.sourceforge.net
Subject: [PATCH AUTOSEL 4.9 07/26] fs/jfs: Fix missing error code in lmLogInit()

From: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>

[ Upstream commit 492109333c29e1bb16d8732e1d597b02e8e0bf2e ]

The error code is missing in this code scenario, add the error code
'-EINVAL' to the return value 'rc.

Eliminate the follow smatch warning:

fs/jfs/jfs_logmgr.c:1327 lmLogInit() warn: missing error code 'rc'.

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
Signed-off-by: Dave Kleikamp <dave.kleikamp@...cle.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 fs/jfs/jfs_logmgr.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/jfs/jfs_logmgr.c b/fs/jfs/jfs_logmgr.c
index a21ea8b3e5fa..12555c4eeb2b 100644
--- a/fs/jfs/jfs_logmgr.c
+++ b/fs/jfs/jfs_logmgr.c
@@ -1338,6 +1338,7 @@ int lmLogInit(struct jfs_log * log)
 		} else {
 			if (memcmp(logsuper->uuid, log->uuid, 16)) {
 				jfs_warn("wrong uuid on JFS log device");
+				rc = -EINVAL;
 				goto errout20;
 			}
 			log->size = le32_to_cpu(logsuper->size);
-- 
2.30.2