[PATCH] wifi: mac80211: Align with Draft P802.11be_D1.5

Johannes Berg johannes at sipsolutions.net
Fri Sep 16 09:50:55 PDT 2022


On Fri, 2022-09-16 at 22:17 +0800, Howard Hsu wrote:
> Fix ieee80211_prep_channel to aligh with Draft P80211.be_D1.5. It shall
> shift 4 byte to fetch EHT Operation information.
> 
> Signed-off-by: Howard Hsu <howard-yh.hsu at mediatek.com>
> ---
>  net/mac80211/mlme.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
> index ff449e0c2e62..9bb085eab12a 100644
> --- a/net/mac80211/mlme.c
> +++ b/net/mac80211/mlme.c
> @@ -4735,7 +4735,7 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata,
>  						   cbss_ies->data, cbss_ies->len);
>  		if (eht_oper_ie && eht_oper_ie[1] >=
>  		    1 + sizeof(struct ieee80211_eht_operation))
> -			eht_oper = (void *)(eht_oper_ie + 3);
> +			eht_oper = (void *)(eht_oper_ie + 4);
> 


No, the +3 is just to skip the type/len/ext-tag

johannes



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