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Test and handle memory allocation failure for the access concentrator 

cookie.
This commit is contained in:
martin 2008-08-18 20:43:50 +00:00
parent fb88742489
commit 11933dbf25
1 changed files with 8 additions and 4 deletions
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12
sys/net/if_pppoe.c
View File

@ -1,7 +1,7 @@
/* $NetBSD: if_pppoe.c,v 1.88 2008/08/08 14:31:00 martin Exp $ */
/* $NetBSD: if_pppoe.c,v 1.89 2008/08/18 20:43:50 martin Exp $ */
/*-
* Copyright (c) 2002 The NetBSD Foundation, Inc.
* Copyright (c) 2002, 2008 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: if_pppoe.c,v 1.88 2008/08/08 14:31:00 martin Exp $");
__KERNEL_RCSID(0, "$NetBSD: if_pppoe.c,v 1.89 2008/08/18 20:43:50 martin Exp $");
#include "pppoe.h"
#include "bpfilter.h"
@ -661,8 +661,12 @@ breakbreak:;
free(sc->sc_ac_cookie, M_DEVBUF);
sc->sc_ac_cookie = malloc(ac_cookie_len, M_DEVBUF,
M_DONTWAIT);
if (sc->sc_ac_cookie == NULL)
if (sc->sc_ac_cookie == NULL) {
printf("%s: FATAL: could not allocate memory "
"for AC cookie\n",
sc->sc_sppp.pp_if.if_xname);
goto done;
}
sc->sc_ac_cookie_len = ac_cookie_len;
memcpy(sc->sc_ac_cookie, ac_cookie, ac_cookie_len);
}