In mwifiex_setup_ht_caps() first a local struct ieee80211_mcs_info is initialized and afterwards copied over &ht_info->mcs. Simplify this by initializing &ht_info->mcs directly. While at it call memset on the u8 rx_mask[] array instead of the struct which makes the intention clearer and we no longer have to assume the rx_mask array is the first member of struct ieee80211_mcs_info. Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> --- drivers/net/wireless/marvell/mwifiex/cfg80211.c | 16 +++++----------- 1 file changed, 5 insertions(+), 11 deletions(-) diff --git a/drivers/net/wireless/marvell/mwifiex/cfg80211.c b/drivers/net/wireless/marvell/mwifiex/cfg80211.c index 8cf6267b03579..8746943c17788 100644 --- a/drivers/net/wireless/marvell/mwifiex/cfg80211.c +++ b/drivers/net/wireless/marvell/mwifiex/cfg80211.c @@ -2904,16 +2904,12 @@ mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info, struct mwifiex_private *priv) { int rx_mcs_supp; - struct ieee80211_mcs_info mcs_set; - u8 *mcs = (u8 *)&mcs_set; struct mwifiex_adapter *adapter = priv->adapter; ht_info->ht_supported = true; ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE; - memset(&ht_info->mcs, 0, sizeof(ht_info->mcs)); - /* Fill HT capability information */ if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap)) ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; @@ -2959,17 +2955,15 @@ mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info, ht_info->cap |= IEEE80211_HT_CAP_SM_PS; rx_mcs_supp = GET_RXMCSSUPP(adapter->user_dev_mcs_support); + + memset(&ht_info->mcs, 0, sizeof(ht_info->mcs)); /* Set MCS for 1x1/2x2 */ - memset(mcs, 0xff, rx_mcs_supp); - /* Clear all the other values */ - memset(&mcs[rx_mcs_supp], 0, - sizeof(struct ieee80211_mcs_info) - rx_mcs_supp); + memset(ht_info->mcs.rx_mask, 0xff, rx_mcs_supp); + if (priv->bss_mode == NL80211_IFTYPE_STATION || ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap)) /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */ - SETHT_MCS32(mcs_set.rx_mask); - - memcpy((u8 *) &ht_info->mcs, mcs, sizeof(struct ieee80211_mcs_info)); + SETHT_MCS32(ht_info->mcs.rx_mask); ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; } -- 2.39.2