From 9a45df4ec39bd2762c27c2135c82354d47041783 Mon Sep 17 00:00:00 2001
From: Shyam Prasad N <sprasad@microsoft.com>
Date: Thu, 9 Mar 2023 13:23:29 +0000
Subject: [PATCH] cifs: empty interface list when server doesn't support query
interfaces
commit 896cd316b841053f6df95ab77b5f1322c16a8e18 upstream.
When querying server interfaces returns -EOPNOTSUPP,
clear the list of interfaces. Assumption is that multichannel
would be disabled too.
Signed-off-by: Shyam Prasad N <sprasad@microsoft.com>
Reviewed-by: Paulo Alcantara (SUSE) <pc@manguebit.com>
Cc: stable@vger.kernel.org
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
fs/cifs/smb2ops.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index 1fef721f60c94..fab5829339092 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -653,7 +653,7 @@ SMB3_request_interfaces(const unsigned int xid, struct cifs_tcon *tcon)
if (rc == -EOPNOTSUPP) {
cifs_dbg(FYI,
"server does not support query network interfaces\n");
- goto out;
+ ret_data_len = 0;
} else if (rc != 0) {
cifs_tcon_dbg(VFS, "error %d on ioctl to get interface list\n", rc);
goto out;
--
2.30.2