--- src/sys/net/if_mib.c	2005/01/03 23:25:25	1.4
+++ src/sys/net/if_mib.c	2005/05/06 11:52:02	1.5
@@ -95,6 +95,7 @@ sysctl_ifdata(SYSCTL_HANDLER_ARGS) /* XX
 		return ENOENT;
 
 	case IFDATA_GENERAL:
+		bzero(&ifmd, sizeof(ifmd));
 		strlcpy(ifmd.ifmd_name, ifp->if_xname, sizeof(ifmd.ifmd_name));
 
 #define COPY(fld) ifmd.ifmd_##fld = ifp->if_##fld