From: Paulo Alcantara pc@cjr.nz
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 sprasad@microsoft.com Reviewed-by: Tom Talpey tom@talpey.com Signed-off-by: Paulo Alcantara (SUSE) pc@cjr.nz Signed-off-by: Steve French stfrench@microsoft.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- fs/cifs/connect.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-)
--- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -2609,11 +2609,14 @@ cifs_get_tcon(struct cifs_ses *ses, stru 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);