1 files changed, 6 insertions, 1 deletions

diff --git a/usr.bin/netstat/netgraph.c b/usr.bin/netstat/netgraph.c
index 77db23f35d53..8ca9e5cd7e31 100644
--- a/usr.bin/netstat/netgraph.c
+++ b/usr.bin/netstat/netgraph.c
@@ -62,7 +62,8 @@ static	int first = 1;
 static	int csock = -1;
 
 void
-netgraphprotopr(u_long off, const char *name, int af1 __unused)
+netgraphprotopr(u_long off, const char *name, int af1 __unused,
+    int proto __unused)
 {
 	struct ngpcb *this, *next;
 	struct ngpcb ngpcb;
@@ -81,6 +82,10 @@ netgraphprotopr(u_long off, const char *name, int af1 __unused)
 		struct kld_file_stat ks;
 		int fileid;
 
+		/* Can't do this for core dumps. */
+		if (!live)
+			return;
+
 		/* See if module is loaded */
 		if ((fileid = kldfind(modname)) < 0) {
 			if (debug)