linux-kernel - [PATCH] cifs: Fix return value in __update_cache

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Message-ID: <20200117022156.57844-1-yuehaibing@huawei.com>
Date:   Fri, 17 Jan 2020 10:21:56 +0800
From:   YueHaibing <yuehaibing@...wei.com>
To:     <stfrench@...rosoft.com>, <pc@....nz>
CC:     <linux-cifs@...r.kernel.org>, <samba-technical@...ts.samba.org>,
        <linux-kernel@...r.kernel.org>, YueHaibing <yuehaibing@...wei.com>
Subject: [PATCH] cifs: Fix return value in __update_cache_entry

copy_ref_data() may return error, it should be
returned to upstream caller.

Fixes: 03535b72873b ("cifs: Avoid doing network I/O while holding cache lock")
Signed-off-by: YueHaibing <yuehaibing@...wei.com>
---
 fs/cifs/dfs_cache.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/cifs/dfs_cache.c b/fs/cifs/dfs_cache.c
index 5617efe..03cfaa1 100644
--- a/fs/cifs/dfs_cache.c
+++ b/fs/cifs/dfs_cache.c
@@ -593,7 +593,7 @@ static int __update_cache_entry(const char *path,
 
 	kfree(th);
 
-	return 0;
+	return rc;
 }
 
 static int get_dfs_referral(const unsigned int xid, struct cifs_ses *ses,
-- 
2.7.4