[PATCH 2/2] ath10k: implement more versatile set_bitrate_mask

[Kalle Valo]

Michal Kazior <michal.kazior at tieto.com> writes:

> Until now only a single fixed tx rate or nss was
> allowed to be set.
>
> The patch attempts to improve this by allowing
> most bitrate masks. The limitation is VHT MCS
> rates cannot be expressed separately and only the
> following VHT MCS ranges are supported: none, 0-7,
> 0-8, and 0-9.
>
> This keeps the old behaviour when requesting
> single tx rate or single nss. The new bitrate mask
> logic is only applied to other cases that would
> return -EINVAL until now.
>
> Depending on firmware revisions some combinations
> may crash firmware so use with care, please.
>
> Signed-off-by: Michal Kazior <michal.kazior at tieto.com>

kbuild reported:

drivers/net/wireless/ath/ath10k/mac.c:2163 ath10k_peer_assoc_h_ht() warn: buffer overflow 'vht_mcs_mask' 8 <= 9

-- 
Kalle Valo