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don't call if_deactivate with NULL ifp. 

sc->sc_ifp can be NULL if awi_pcmcia_attach() fails, so you will see panic
if you remove a card which fails on attach.
This commit is contained in:
itojun 2000-03-26 10:09:33 +00:00
parent 5b99967f1d
commit 130ac9eafe
1 changed files with 3 additions and 2 deletions
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5
sys/dev/ic/awi.c
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@ -1,4 +1,4 @@
/* $NetBSD: awi.c,v 1.12 2000/03/23 05:26:00 mycroft Exp $ */
/* $NetBSD: awi.c,v 1.13 2000/03/26 10:09:33 itojun Exp $ */
/*
* Copyright (c) 2000 The NetBSD Foundation, Inc.
@ -397,7 +397,8 @@ awi_activate(self, act)
case DVACT_DEACTIVATE:
sc->sc_invalid = 1;
if_deactivate(sc->sc_ifp);
if (sc->sc_ifp)
if_deactivate(sc->sc_ifp);
break;
}
splx(s);