cifs: Don't display RDMA transport on reconnect

On reconnect, the transport data structure is NULL and its information is not
available.

Signed-off-by: Long Li <longli@microsoft.com>
Cc: stable@vger.kernel.org
Signed-off-by: Steve French <stfrench@microsoft.com>

diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c
index 0b4eee3bed6600e9ff22c855fc3e3d1b37a9f045..efb2928ff6c893882fb388d98596537f58c91ce0 100644 (file)
--- a/fs/cifs/cifs_debug.c
+++ b/fs/cifs/cifs_debug.c
@@ -256,6 +256,11 @@ static int cifs_debug_data_proc_show(struct seq_file *m, void *v)
                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,