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Re: [PATCH 2/7] mac80211: treat IBSS CSA finish failure seriously

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On Mon, 2014-01-20 at 15:21 +0100, Michal Kazior wrote:
> Other interface modes are checked against failure.
> This should avoid false-positive channel switch
> events where IBSS CSA actually failed.
> 
> Signed-off-by: Michal Kazior <michal.kazior@xxxxxxxxx>
> ---
>  net/mac80211/cfg.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
> index 62bf6c4..76fe1f90 100644
> --- a/net/mac80211/cfg.c
> +++ b/net/mac80211/cfg.c
> @@ -3039,7 +3039,9 @@ static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
>  			return;
>  		break;
>  	case NL80211_IFTYPE_ADHOC:
> -		ieee80211_ibss_finish_csa(sdata);
> +		err = ieee80211_ibss_finish_csa(sdata);
> +		if (err < 0)
> +			return;

Looks fine, though I suppose this should then perhaps also return a
changed bitmap to be used later. Ditto for mesh, I guess.

johannes

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