I didn't think that many drivers had this problem... The warning is
harmless on machines that are ok with unaligned memory accesses.
> WARNING: at net/mac80211/rx.c:1486 __ieee80211_rx()
> Pid: 0, comm: swapper Not tainted 2.6.24-rc6-git5 #11
comes from
/*
* Drivers are required to align the payload data to a four-byte
* boundary, so the last two bits of the address where it starts
* may not be set. The header is required to be directly before
* the payload data, padding like atheros hardware adds which is
* inbetween the 802.11 header and the payload is not supported,
* the driver is required to move the 802.11 header further back
* in that case.
*/
hdrlen = ieee80211_get_hdrlen(rx.fc);
WARN_ON_ONCE(((unsigned long)(skb->data + hdrlen)) & 3);
Although I'm starting to doubt my own sanity here with this sanity check
if so many drivers can trigger it.
johannes
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