minor array overflow in ifconfig set80211chanlist()

[Andriy Voskoboinyk]

Tue, 17 May 2016 01:03:03 +0300 було написано Adrian Chadd  
<adrian.chadd at gmail.com>:

> Heh, god, it's used for both maximum ieee channel number /and/ the
> array size? we should eventually fix that; 11ac channels will likely
> overflow all of the above. :(

No (yes) :)
I mean ic->ic_nchans and nitems(ic->ic_channels)
... but you are right: ic_ieee is uint8_t, so it's limited by this number  
too.

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> -a
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