Re: iwlagn broken in next-20090514 and next-20090515

[Johannes Berg]

On Mon, 2009-05-18 at 13:50 -0400, Dan Williams wrote:

> > > > > Also wpa_supplicant is not happy:
> > > > > 
> > > > > + wpa_supplicant -B -Dwext -iwlan0 -c /home/user/nico/ethz/wlan/wpa_supplicant.conf
> > > > > ioctl[SIOCSIWENCODEEXT]: No such file or directory
> > > > > ioctl[SIOCSIWENCODEEXT]: No such file or directory
> > > > > ioctl[SIOCSIWENCODEEXT]: No such file or directory
> > > > > ioctl[SIOCSIWENCODEEXT]: No such file or directory
> > > > > 
> > > 
> > > There were some changes recently to this ioctl, but I am not familiar
> > > with details. Johannes will know.
> > 
> > Yeah, I'm not sure -- this happens when clearing keys. I'll look into
> > it, we probably need to accept removing a key that doesn't exist.
> 
> Why bother (if that's actually the root cause)?  Maybe the supplicant
> should be fixed.  Other drivers return ENOENT in this case, so mac80211
> certainly isn't out-of-common-spec here now.

I just looked at the code in wpa_supplicant, it doesn't care a bit, just
prints the error. Problem is users attribute any other breakage to the
error it prints since our behaviour changed...

johannes

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