From 6e0c46445bd15c5324440abd913a651d1d3f7410 Mon Sep 17 00:00:00 2001
From: Daniel Swarbrick <daniel.swarbrick@gmail.com>
Date: Mon, 11 May 2020 17:01:28 +0200
Subject: [PATCH] Skip null ports

---
 infiniband/netdiscover.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/infiniband/netdiscover.go b/infiniband/netdiscover.go
index 24bb0f6..555ce6d 100644
--- a/infiniband/netdiscover.go
+++ b/infiniband/netdiscover.go
@@ -273,6 +273,9 @@ func (n *ibndNode) walkPorts(mad_port *C.struct_ibmad_port, resetThreshold uint)
 
 		// Get pointer to port struct at portNum array offset
 		pp := *(**C.ibnd_port_t)(unsafe.Pointer(arrayPtr + unsafe.Sizeof(arrayPtr)*uintptr(portNum)))
+		if pp == nil {
+			continue
+		}
 
 		myPort := Port{GUID: uint64(pp.guid)}