--- libaitio/src/bpf.c	2014/02/08 18:58:12	1.5.4.3
+++ libaitio/src/bpf.c	2014/02/08 21:33:09	1.5.4.5
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@elwix.org>
 *
 * $Author: misho $
-* $Id: bpf.c,v 1.5.4.3 2014/02/08 18:58:12 misho Exp $
+* $Id: bpf.c,v 1.5.4.5 2014/02/08 21:33:09 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -214,17 +214,12 @@ io_etherOpen(const char *csIface, int flags, u_int whd
 	}
 
 	n = 1;
-	if (ioctl(eth, BIOCIMMEDIATE, &n) == -1) {
-		LOGERR;
-		close(eth);
-		return -1;
-	}
 	if (whdr && ioctl(eth, BIOCSHDRCMPLT, &n) == -1) {
 		LOGERR;
 		close(eth);
 		return -1;
 	}
-	if (wdlt && ioctl(eth, BIOCSDLT, &wdlt) == -1) {
+	if (ioctl(eth, BIOCIMMEDIATE, &n) == -1) {
 		LOGERR;
 		close(eth);
 		return -1;
@@ -278,6 +273,13 @@ io_etherOpen(const char *csIface, int flags, u_int whd
 	if (ioctl(eth, BIOCSETIF, &ifr) == -1) {
 		LOGERR;
 		io_etherClose(eth, zcbuf);
+		return -1;
+	}
+
+	n = wdlt;
+	if (wdlt && ioctl(eth, BIOCSDLT, &n) == -1) {
+		LOGERR;
+		close(eth);
 		return -1;
 	}