From: thib <thib@openbsd.org>
Date: Tue, 29 Jul 2008 10:05:38 +0000 (+0000)
Subject: check for m_devget() returning NULL, increment ierror count
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=2d3cfcba37093d7375f5b41ea186b0736e6f8c63;p=openbsd

check for m_devget() returning NULL, increment ierror count
and just return;

OK mglocker@
---

diff --git a/sys/dev/pcmcia/if_malo.c b/sys/dev/pcmcia/if_malo.c
index 3ae1102cb25..d8ff907f818 100644
--- a/sys/dev/pcmcia/if_malo.c
+++ b/sys/dev/pcmcia/if_malo.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: if_malo.c,v 1.62 2008/07/27 13:02:37 mglocker Exp $ */
+/*      $OpenBSD: if_malo.c,v 1.63 2008/07/29 10:05:38 thib Exp $ */
 
 /*
  * Copyright (c) 2007 Marcus Glocker <mglocker@openbsd.org>
@@ -929,6 +929,11 @@ cmalo_rx(struct malo_softc *sc)
 	/* prepare mbuf */
 	m = m_devget(sc->sc_data + rxdesc->pkgoffset - ETHER_ALIGN,
 	    rxdesc->pkglen + ETHER_ALIGN, 0, ifp, NULL);
+	if (m == NULL) {
+		DPRINTF(1, "RX m_devget failed!\n");
+		ifp->if_ierrors++;
+		return;
+	}
 	m_adj(m, ETHER_ALIGN);
 
 #if NBPFILTER > 0