From 888c060bc327e6a231304aefc0f30e97b1640338 Mon Sep 17 00:00:00 2001 From: Paulo Alcantara Date: Tue, 10 Jan 2023 19:23:21 -0300 Subject: [PATCH] cifs: do not query ifaces on smb1 mounts commit 22aeb01db7080e18c6aeb4361cc2556c9887099a upstream. Users have reported the following error on every 600 seconds (SMB_INTERFACE_POLL_INTERVAL) when mounting SMB1 shares: CIFS: VFS: \\srv\share error -5 on ioctl to get interface list It's supported only by SMB2+, so do not query network interfaces on SMB1 mounts. Fixes: 6e1c1c08cdf3 ("cifs: periodically query network interfaces from server") Reviewed-by: Shyam Prasad N Reviewed-by: Tom Talpey Signed-off-by: Paulo Alcantara (SUSE) Signed-off-by: Steve French Signed-off-by: Greg Kroah-Hartman --- fs/cifs/connect.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 7e7f712..fde1c37 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -2609,11 +2609,14 @@ cifs_get_tcon(struct cifs_ses *ses, struct smb3_fs_context *ctx) INIT_LIST_HEAD(&tcon->pending_opens); tcon->status = TID_GOOD; - /* schedule query interfaces poll */ INIT_DELAYED_WORK(&tcon->query_interfaces, smb2_query_server_interfaces); - queue_delayed_work(cifsiod_wq, &tcon->query_interfaces, - (SMB_INTERFACE_POLL_INTERVAL * HZ)); + if (ses->server->dialect >= SMB30_PROT_ID && + (ses->server->capabilities & SMB2_GLOBAL_CAP_MULTI_CHANNEL)) { + /* schedule query interfaces poll */ + queue_delayed_work(cifsiod_wq, &tcon->query_interfaces, + (SMB_INTERFACE_POLL_INTERVAL * HZ)); + } spin_lock(&cifs_tcp_ses_lock); list_add(&tcon->tcon_list, &ses->tcon_list); -- 2.7.4