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@huawei.com>
Signed-off-by: Steve French <stfrench@microsoft.com>

diff --git a/fs/cifs/dfs_cache.c b/fs/cifs/dfs_cache.c
index 76ffe12d64f51bfcf04073cdb80f49d90dbf600f..2bbfe283fb52d214f504c6ae80e2c6cf20e25936 100644 (file)
--- a/fs/cifs/dfs_cache.c
+++ b/fs/cifs/dfs_cache.c
@@ -592,7 +592,7 @@ 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,