From: Long Li <longli@xxxxxxxxxxxxx> commit 14cc639c17ab0b6671526a7459087352507609e4 upstream. On reconnect, the transport data structure is NULL and its information is not available. Signed-off-by: Long Li <longli@xxxxxxxxxxxxx> Cc: stable@xxxxxxxxxxxxxxx Signed-off-by: Steve French <stfrench@xxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- fs/cifs/cifs_debug.c | 5 +++++ 1 file changed, 5 insertions(+) --- a/fs/cifs/cifs_debug.c +++ b/fs/cifs/cifs_debug.c @@ -256,6 +256,11 @@ static int cifs_debug_data_proc_show(str if (!server->rdma) goto skip_rdma; + if (!server->smbd_conn) { + seq_printf(m, "\nSMBDirect transport not available"); + goto skip_rdma; + } + seq_printf(m, "\nSMBDirect (in hex) protocol version: %x " "transport status: %x", server->smbd_conn->protocol,