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Modify if_wi.c to call bpfdetach(ifp) before if_detach(ifp), so as to

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prevent a page fault if the card is ejected while BPF is in use.  This
could happen if DHCP or tcpdump was in use on that interface during
ejection.  Other drivers may also require this modification.

Reviewed by:	wes
This commit is contained in:
Robert Watson 2000-03-19 05:46:50 +00:00
parent de5d99354f
commit 081d19aecd
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=58274
2 changed files with 4 additions and 0 deletions
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2
sys/dev/wi/if_wi.c
View File

@ -214,6 +214,8 @@ static int wi_pccard_detach(dev)
}
wi_stop(sc);
bpfdetach(ifp);
if_detach(ifp);
bus_teardown_intr(dev, sc->irq, sc->wi_intrhand);
wi_free(dev);

2
sys/i386/isa/if_wi.c
View File

@ -214,6 +214,8 @@ static int wi_pccard_detach(dev)
}
wi_stop(sc);
bpfdetach(ifp);
if_detach(ifp);
bus_teardown_intr(dev, sc->irq, sc->wi_intrhand);
wi_free(dev);