Module Name:    src
Committed By:   riastradh
Date:           Sat Jul 29 01:47:48 UTC 2017

Modified Files:
        src/sys/dev/pci: if_et.c

Log Message:
Check for MCLGET failure in et_newbuf.

>From Ilja Van Sprundel.


To generate a diff of this commit:
cvs rdiff -u -r1.14 -r1.15 src/sys/dev/pci/if_et.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sys/dev/pci/if_et.c
diff -u src/sys/dev/pci/if_et.c:1.14 src/sys/dev/pci/if_et.c:1.15
--- src/sys/dev/pci/if_et.c:1.14	Thu Dec 15 09:28:05 2016
+++ src/sys/dev/pci/if_et.c	Sat Jul 29 01:47:48 2017
@@ -1,4 +1,4 @@
-/*	$NetBSD: if_et.c,v 1.14 2016/12/15 09:28:05 ozaki-r Exp $	*/
+/*	$NetBSD: if_et.c,v 1.15 2017/07/29 01:47:48 riastradh Exp $	*/
 /*	$OpenBSD: if_et.c,v 1.11 2008/06/08 06:18:07 jsg Exp $	*/
 /*
  * Copyright (c) 2007 The DragonFly Project.  All rights reserved.
@@ -37,7 +37,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_et.c,v 1.14 2016/12/15 09:28:05 ozaki-r Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_et.c,v 1.15 2017/07/29 01:47:48 riastradh Exp $");
 
 #include "opt_inet.h"
 #include "vlan.h"
@@ -2026,6 +2026,10 @@ et_newbuf(struct et_rxbuf_data *rbd, int
 		if (m == NULL)
 			return (ENOBUFS);
 		MCLGET(m, init ? M_WAITOK : M_DONTWAIT);
+		if ((m->m_flags & M_EXT) == 0) {
+			m_freem(m);
+			return (ENOBUFS);
+		}
 		len = MCLBYTES;
 	} else {
 		MGETHDR(m, init ? M_WAITOK : M_DONTWAIT, MT_DATA);

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