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don't require the ifnum return pointer.

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pooka 2009-02-28 16:15:19 +00:00
parent 1832dc90cf
commit e4b2f37a4b
1 changed files with 9 additions and 3 deletions
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12
sys/rump/net/lib/libshmif/if_shmem.c
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@ -1,4 +1,4 @@
/* $NetBSD: if_shmem.c,v 1.1 2009/02/28 15:28:46 pooka Exp $ */
/* $NetBSD: if_shmem.c,v 1.2 2009/02/28 16:15:19 pooka Exp $ */
/*
* Copyright (c) 2009 Antti Kantee. All Rights Reserved.
@ -28,7 +28,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: if_shmem.c,v 1.1 2009/02/28 15:28:46 pooka Exp $");
__KERNEL_RCSID(0, "$NetBSD: if_shmem.c,v 1.2 2009/02/28 16:15:19 pooka Exp $");
#include <sys/param.h>
#include <sys/condvar.h>
@ -82,6 +82,11 @@ static void shmif_rcv(void *);
static uint32_t numif;
/*
* This locking needs work and will misbehave severely if:
* 1) the backing memory has to be paged in
* 2) some lockholder exits while holding the lock
*/
static void
lockbus(struct shmif_sc *sc)
{
@ -229,7 +234,8 @@ rump_shmif_create(const char *path, int *ifnum)
if_attach(ifp);
ether_ifattach(ifp, enaddr);
*ifnum = mynum;
if (ifnum)
*ifnum = mynum;
return 0;
fail: