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

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Message-Id: <1622545630-19745-1-git-send-email-jiapeng.chong@linux.alibaba.com>
Date:   Tue,  1 Jun 2021 19:07:10 +0800
From:   Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To:     shaggy@...nel.org
Cc:     jfs-discussion@...ts.sourceforge.net, linux-kernel@...r.kernel.org,
        Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
Subject: [PATCH] fs/jfs: Fix missing error code in lmLogInit()

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>
---
 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 9330eff21..78fd136 100644
--- a/fs/jfs/jfs_logmgr.c
+++ b/fs/jfs/jfs_logmgr.c
@@ -1324,6 +1324,7 @@ int lmLogInit(struct jfs_log * log)
 		} else {
 			if (!uuid_equal(&logsuper->uuid, &log->uuid)) {
 				jfs_warn("wrong uuid on JFS log device");
+				rc = -EINVAL;
 				goto errout20;
 			}
 			log->size = le32_to_cpu(logsuper->size);
-- 
1.8.3.1