>   *
> + * @NL80211_CMD_ABORT_SCAN: stop an ongoing scan. Returns -ENOENT if a scan 
> is
> + *   not running.


I think we might need to indicate in nl80211 exported capabilities
whether or not this command is available?

The return code requirement should probably also be documented in
cfg80211.h, and the fact that you get a scan-done message should be
here as well.

Or is that not necessary - i.e. no relevant races are possible - and
the function return can be void?

johannes
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