[openib-general] [PATCH] SMI/MAD: Fix a couple of SMI cases

[Hal Rosenstock]

smi/mad: In smi_handle_dr_smp_send, handle hop_ptr 0 (C14-13:4). Also,
in ib_mad_recv_handler_done, 0 return from smi_check_forward_dr_smp
means local rather than discard.

Index: smi.c
===================================================================
--- smi.c	(revision 1247)
+++ smi.c	(working copy)
@@ -98,6 +98,9 @@
 		}
 
 		/* C14-13:4 -- hop_ptr = 0 -> should have gone to SM */
+		if (hop_ptr == 0)
+			return 1;
+
 		/* C14-13:5 -- Check for unreasonable hop pointer */
 		return 0;
 	}
Index: mad.c
===================================================================
--- mad.c	(revision 1245)
+++ mad.c	(working copy)
@@ -1121,7 +1121,7 @@
 					    port_priv->device->phys_port_cnt))
 			goto out;
 		if (!smi_check_forward_dr_smp(smp))
-			goto out;
+			goto local;
 		if (!smi_handle_dr_smp_send(smp,
 					    port_priv->device->node_type,
 					    port_priv->port_num))
@@ -1132,6 +1132,7 @@
 			goto out;
 	}
 
+local:
 	/* Give driver "right of first refusal" on incoming MAD */
 	if (port_priv->device->process_mad) {
 		int ret;