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In ieee80211_init_neighbor, delete unsupported rates from an adhoc 

node.  It's the right thing to do, but it is of pressing importance
because SampleRate's ath_rate_ctl_reset() will convert an unsupported
rate to an invalid rate-index of 0xff, and pass the index to
ath_hal_computetxtime().  ath_hal_computetxtime() does not tolerate
an invalid index; the CPU traps a divide-by-zero fault in
ath_hal_computetxtime().
This commit is contained in:
dyoung 2005-11-23 04:24:00 +00:00
parent 63d8fb2cb6
commit 5e8176f5d5
1 changed files with 3 additions and 3 deletions
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6
sys/net80211/ieee80211_node.c
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@ -1,4 +1,4 @@
/* $NetBSD: ieee80211_node.c,v 1.46 2005/11/20 10:04:21 dyoung Exp $ */ /* $NetBSD: ieee80211_node.c,v 1.47 2005/11/23 04:24:00 dyoung Exp $ */
/*- /*-
* Copyright (c) 2001 Atsushi Onoe * Copyright (c) 2001 Atsushi Onoe
* Copyright (c) 2002-2005 Sam Leffler, Errno Consulting * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting
@ -36,7 +36,7 @@
__FBSDID("$FreeBSD: src/sys/net80211/ieee80211_node.c,v 1.65 2005/08/13 17:50:21 sam Exp $"); __FBSDID("$FreeBSD: src/sys/net80211/ieee80211_node.c,v 1.65 2005/08/13 17:50:21 sam Exp $");
#endif #endif
#ifdef __NetBSD__ #ifdef __NetBSD__
__KERNEL_RCSID(0, "$NetBSD: ieee80211_node.c,v 1.46 2005/11/20 10:04:21 dyoung Exp $"); __KERNEL_RCSID(0, "$NetBSD: ieee80211_node.c,v 1.47 2005/11/23 04:24:00 dyoung Exp $");
#endif #endif
#include "opt_inet.h" #include "opt_inet.h"
@ -1282,7 +1282,7 @@ ieee80211_init_neighbor(struct ieee80211com *ic, struct ieee80211_node *ni,
/* NB: must be after ni_chan is setup */ /* NB: must be after ni_chan is setup */
ieee80211_setup_rates(ni, sp->rates, sp->xrates, ieee80211_setup_rates(ni, sp->rates, sp->xrates,
IEEE80211_F_DONEGO | IEEE80211_F_DOSORT); IEEE80211_F_DODEL | IEEE80211_F_DONEGO | IEEE80211_F_DOSORT);
if (ic->ic_newassoc != NULL) if (ic->ic_newassoc != NULL)
ic->ic_newassoc(ni, isnew); ic->ic_newassoc(ni, isnew);