> From: Johannes Berg <[email protected]>
>
> The HT MCS mask has 9 bytes, the VHT one only has 8 streams.
> Split the loops to handle this correctly.
>
> Reported-by: Dan Carpenter <[email protected]>
> Signed-off-by: Johannes Berg <[email protected]>
> ---
>  net/mac80211/cfg.c | 12 +++++++-----
>  1 file changed, 7 insertions(+), 5 deletions(-)
>
> diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
> index 685ec13ed7c2..f4ed256c2d8e 100644
> --- a/net/mac80211/cfg.c
> +++ b/net/mac80211/cfg.c
> @@ -2514,15 +2514,17 @@ static int ieee80211_set_bitrate_mask(struct wiphy 
> *wiphy,
>                         continue;
>
>                 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) {
> -                       if (~sdata->rc_rateidx_mcs_mask[i][j])
> +                       if (~sdata->rc_rateidx_mcs_mask[i][j]) {
>                                 sdata->rc_has_mcs_mask[i] = true;
> +                               break;
> +                       }
> +               }
>
> -                       if (~sdata->rc_rateidx_vht_mcs_mask[i][j])
> +               for (j = 0; j < NL80211_VHT_NSS_MAX; j++) {
> +                       if (~sdata->rc_rateidx_vht_mcs_mask[i][j]) {
>                                 sdata->rc_has_vht_mcs_mask[i] = true;
> -
> -                       if (sdata->rc_has_mcs_mask[i] &&
> -                           sdata->rc_has_vht_mcs_mask[i])
>                                 break;
> +                       }
>                 }
>         }
>
> --
> 2.1.4
>

Acked-by: Lorenzo Bianconi <[email protected]>

Thanks,

Lorenzo

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