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Add missing pserialize_read_exit in error branch, spotted during my

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maxv 2018-04-29 07:16:28 +00:00
parent 37402c2ad5
commit 8fc5fcd18c
1 changed files with 5 additions and 3 deletions
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8
sys/net/if_fddisubr.c
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@ -1,4 +1,4 @@
/* $NetBSD: if_fddisubr.c,v 1.107 2018/04/29 07:13:10 maxv Exp $ */
/* $NetBSD: if_fddisubr.c,v 1.108 2018/04/29 07:16:28 maxv Exp $ */
/*
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@ -96,7 +96,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: if_fddisubr.c,v 1.107 2018/04/29 07:13:10 maxv Exp $");
__KERNEL_RCSID(0, "$NetBSD: if_fddisubr.c,v 1.108 2018/04/29 07:16:28 maxv Exp $");
#ifdef _KERNEL_OPT
#include "opt_gateway.h"
@ -330,8 +330,10 @@ fddi_output(struct ifnet *ifp0, struct mbuf *m0, const struct sockaddr *dst,
struct llc llc;
M_PREPEND(m, sizeof(struct llc), M_NOWAIT);
if (m == 0)
if (m == NULL) {
pserialize_read_exit(s);
senderr(ENOBUFS);
}
llc.llc_dsap = llc.llc_ssap = LLC_SNAP_LSAP;
llc.llc_control = LLC_UI;
memcpy(llc.llc_snap_org_code, at_org_code,