[PATCH v2] wifi: ath11k: mac: fix struct ieee80211_sband_iftype_data handling

[Jeff Johnson]

On 9/26/2023 9:33 AM, Kalle Valo wrote:
> From: Kalle Valo <quic_kvalo at quicinc.com>
> 
> Commit e8c1841278a7 ("wifi: cfg80211: annotate iftype_data pointer with
> sparse") added sparse checks for struct ieee80211_sband_iftype_data handling
> which immediately found an issue in ath11k:
> 
> drivers/net/wireless/ath/ath11k/mac.c:7952:22: warning: incorrect type in argument 1 (different address spaces)
> drivers/net/wireless/ath/ath11k/mac.c:7952:22:    expected struct ieee80211_sta_he_cap const *he_cap
> drivers/net/wireless/ath/ath11k/mac.c:7952:22:    got struct ieee80211_sta_he_cap const [noderef] __iftype_data *
> 
> The problem here is that we are accessing sband->iftype_data directly even
> though we should use for_each_sband_iftype_data() or similar. Fortunately
> there's ieee80211_get_he_iftype_cap_vif() which is just we need here so use it

nit: just *what* we need

> to get HE capabilities.