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Fix for kern/25604: ifconfig wi0 media DS11 panics system.

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In ieee80211_chan2mode, do not dereference the marker for "any
channel," IEEE80211_CHAN_ANYC.
This commit is contained in:
dyoung 2004-06-06 05:28:58 +00:00
parent 9211fa02e8
commit e071e08cc6
1 changed files with 4 additions and 3 deletions
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7
sys/net80211/ieee80211.c
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@ -1,4 +1,4 @@
/* $NetBSD: ieee80211.c,v 1.15 2004/05/25 04:33:59 atatat Exp $ */
/* $NetBSD: ieee80211.c,v 1.16 2004/06/06 05:28:58 dyoung Exp $ */
/*-
* Copyright (c) 2001 Atsushi Onoe
* Copyright (c) 2002, 2003 Sam Leffler, Errno Consulting
@ -35,7 +35,7 @@
#ifdef __FreeBSD__
__FBSDID("$FreeBSD: src/sys/net80211/ieee80211.c,v 1.11 2004/04/02 20:19:20 sam Exp $");
#else
__KERNEL_RCSID(0, "$NetBSD: ieee80211.c,v 1.15 2004/05/25 04:33:59 atatat Exp $");
__KERNEL_RCSID(0, "$NetBSD: ieee80211.c,v 1.16 2004/06/06 05:28:58 dyoung Exp $");
#endif
/*
@ -786,7 +786,8 @@ ieee80211_chan2mode(struct ieee80211com *ic, struct ieee80211_channel *chan)
* NB: this assumes the channel would not be supplied to us
* unless it was already compatible with the current mode.
*/
if (ic->ic_curmode != IEEE80211_MODE_AUTO)
if (ic->ic_curmode != IEEE80211_MODE_AUTO ||
chan == IEEE80211_CHAN_ANYC)
return ic->ic_curmode;
/*
* In autoselect mode; deduce a mode based on the channel