diff options
| author | Johannes Berg | 2021-12-20 11:36:10 +0100 |
|---|---|---|
| committer | Johannes Berg | 2022-01-04 15:50:36 +0100 |
| commit | b3c1906ed02ad2b9f4db2f652cb7ea7b333963e5 (patch) | |
| tree | 06ba4dfa70f44a40ec47624f4a4c785e872be7e8 /net/mac80211 | |
| parent | 5bc03b28ec24670e67c453ecb2bfbb9053b86838 (diff) | |
mac80211: use ieee80211_bss_get_elem()
Instead of ieee80211_bss_get_ie(), use the more typed
ieee80211_bss_get_elem().
Link: https://lore.kernel.org/r/20211220113609.56f8e2a70152.Id5a56afb8a4f9b38d10445e5a1874e93e84b5251@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211')
| -rw-r--r-- | net/mac80211/mlme.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 51f55c4ee3c6..95935dee9ac4 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -4906,7 +4906,7 @@ static u8 ieee80211_ht_vht_rx_chains(struct ieee80211_sub_if_data *sdata, struct cfg80211_bss *cbss) { struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; - const u8 *ht_cap_ie, *vht_cap_ie; + const struct element *ht_cap_elem, *vht_cap_elem; const struct ieee80211_ht_cap *ht_cap; const struct ieee80211_vht_cap *vht_cap; u8 chains = 1; @@ -4914,9 +4914,9 @@ static u8 ieee80211_ht_vht_rx_chains(struct ieee80211_sub_if_data *sdata, if (ifmgd->flags & IEEE80211_STA_DISABLE_HT) return chains; - ht_cap_ie = ieee80211_bss_get_ie(cbss, WLAN_EID_HT_CAPABILITY); - if (ht_cap_ie && ht_cap_ie[1] >= sizeof(*ht_cap)) { - ht_cap = (void *)(ht_cap_ie + 2); + ht_cap_elem = ieee80211_bss_get_elem(cbss, WLAN_EID_HT_CAPABILITY); + if (ht_cap_elem && ht_cap_elem->datalen >= sizeof(*ht_cap)) { + ht_cap = (void *)ht_cap_elem->data; chains = ieee80211_mcs_to_chains(&ht_cap->mcs); /* * TODO: use "Tx Maximum Number Spatial Streams Supported" and @@ -4927,12 +4927,12 @@ static u8 ieee80211_ht_vht_rx_chains(struct ieee80211_sub_if_data *sdata, if (ifmgd->flags & IEEE80211_STA_DISABLE_VHT) return chains; - vht_cap_ie = ieee80211_bss_get_ie(cbss, WLAN_EID_VHT_CAPABILITY); - if (vht_cap_ie && vht_cap_ie[1] >= sizeof(*vht_cap)) { + vht_cap_elem = ieee80211_bss_get_elem(cbss, WLAN_EID_VHT_CAPABILITY); + if (vht_cap_elem && vht_cap_elem->datalen >= sizeof(*vht_cap)) { u8 nss; u16 tx_mcs_map; - vht_cap = (void *)(vht_cap_ie + 2); + vht_cap = (void *)vht_cap_elem->data; tx_mcs_map = le16_to_cpu(vht_cap->supp_mcs.tx_mcs_map); for (nss = 8; nss > 0; nss--) { if (((tx_mcs_map >> (2 * (nss - 1))) & 3) != |