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Set the "special" struct ieee80211_channel pointer, IEEE80211_CHAN_ANYC, 

to 0x1 instead of 0xffff, so the kernel will trap accidental
dereferences.  I don't set IEEE80211_CHAN_ANYC to NULL because it
may have a distinct meaning in net80211.  Thanks to Steve Woodford
for pointing out that 0xffff may be a valid kernel memory address
on x86.
This commit is contained in:
dyoung 2005-11-20 10:16:51 +00:00
parent 461cd4dbb5
commit cd662cea95
1 changed files with 1 additions and 1 deletions
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2
sys/net80211/_ieee80211.h
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@ -111,7 +111,7 @@ struct ieee80211_channel {
#define IEEE80211_CHAN_BYTES 32 /* howmany(IEEE80211_CHAN_MAX, NBBY) */
#define IEEE80211_CHAN_ANY 0xffff /* token for ``any channel'' */
#define IEEE80211_CHAN_ANYC \
((struct ieee80211_channel *) IEEE80211_CHAN_ANY)
((struct ieee80211_channel *) 0x1)
/* bits 0-3 are for private use by drivers */
/* channel attributes */