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Re: [PATCH] mac80211: Fix bug in computing crc over dynamic IEs in beacon

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On Fri, Dec 04, 2009 at 05:59:58PM +0530, Johannes Berg wrote:
> > In ieee802_11_parse_elems_crc(),
> > BIT() is suppossed to get the bit value more than 31 (42 (id of ERP_INFO_IE),
> > 37 (CHANNEL_SWITCH_IE), (42), 32 (POWER_CONSTRAINT_IE), 45 (HT_CAP_IE),
> > 61 (HT_INFO_IE)). As we do not get the required bit value for the above
> > IEs, crc over these IEs are never calculated, so any dynamic change in these
> > IEs after the association is not really handled on 32-bit platforms.
> > This patch fixes this issue.
> 
> Right. Note that this function may need to be changed/extended if we
> ever need to watch for changes in even higher IEs, but so far we don't.

Yeah, currently we do only for the IEs whose ids are < 64.

Thanks,

Vasanth

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