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path: root/drivers/net/wireless/marvell/mwifiex/tdls.c
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Diffstat (limited to 'drivers/net/wireless/marvell/mwifiex/tdls.c')
-rw-r--r--drivers/net/wireless/marvell/mwifiex/tdls.c60
1 files changed, 27 insertions, 33 deletions
diff --git a/drivers/net/wireless/marvell/mwifiex/tdls.c b/drivers/net/wireless/marvell/mwifiex/tdls.c
index 7d0d3ff3dd4c..39cd677d4159 100644
--- a/drivers/net/wireless/marvell/mwifiex/tdls.c
+++ b/drivers/net/wireless/marvell/mwifiex/tdls.c
@@ -55,11 +55,8 @@ static void mwifiex_restore_tdls_packets(struct mwifiex_private *priv,
tx_info->flags |= MWIFIEX_BUF_FLAG_TDLS_PKT;
} else {
tid_list = &priv->wmm.tid_tbl_ptr[tid_down].ra_list;
- if (!list_empty(tid_list))
- ra_list = list_first_entry(tid_list,
- struct mwifiex_ra_list_tbl, list);
- else
- ra_list = NULL;
+ ra_list = list_first_entry_or_null(tid_list,
+ struct mwifiex_ra_list_tbl, list);
tx_info->flags &= ~MWIFIEX_BUF_FLAG_TDLS_PKT;
}
@@ -161,7 +158,7 @@ static void mwifiex_tdls_add_aid(struct mwifiex_private *priv,
u8 *pos;
assoc_rsp = (struct ieee_types_assoc_rsp *)&priv->assoc_rsp_buf;
- pos = (void *)skb_put(skb, 4);
+ pos = skb_put(skb, 4);
*pos++ = WLAN_EID_AID;
*pos++ = 2;
memcpy(pos, &assoc_rsp->a_id, sizeof(assoc_rsp->a_id));
@@ -175,7 +172,7 @@ static int mwifiex_tdls_add_vht_capab(struct mwifiex_private *priv,
struct ieee80211_vht_cap vht_cap;
u8 *pos;
- pos = (void *)skb_put(skb, sizeof(struct ieee80211_vht_cap) + 2);
+ pos = skb_put(skb, sizeof(struct ieee80211_vht_cap) + 2);
*pos++ = WLAN_EID_VHT_CAPABILITY;
*pos++ = sizeof(struct ieee80211_vht_cap);
@@ -210,7 +207,7 @@ mwifiex_tdls_add_ht_oper(struct mwifiex_private *priv, const u8 *mac,
return 0;
}
- pos = (void *)skb_put(skb, sizeof(struct ieee80211_ht_operation) + 2);
+ pos = skb_put(skb, sizeof(struct ieee80211_ht_operation) + 2);
*pos++ = WLAN_EID_HT_OPERATION;
*pos++ = sizeof(struct ieee80211_ht_operation);
ht_oper = (void *)pos;
@@ -275,7 +272,7 @@ static int mwifiex_tdls_add_vht_oper(struct mwifiex_private *priv,
ap_vht_cap = bss_desc->bcn_vht_cap;
}
- pos = (void *)skb_put(skb, sizeof(struct ieee80211_vht_operation) + 2);
+ pos = skb_put(skb, sizeof(struct ieee80211_vht_operation) + 2);
*pos++ = WLAN_EID_VHT_OPERATION;
*pos++ = sizeof(struct ieee80211_vht_operation);
vht_oper = (struct ieee80211_vht_operation *)pos;
@@ -362,7 +359,7 @@ static void mwifiex_tdls_add_ext_capab(struct mwifiex_private *priv,
{
struct ieee_types_extcap *extcap;
- extcap = (void *)skb_put(skb, sizeof(struct ieee_types_extcap));
+ extcap = skb_put(skb, sizeof(struct ieee_types_extcap));
extcap->ieee_hdr.element_id = WLAN_EID_EXT_CAPABILITY;
extcap->ieee_hdr.len = 8;
memset(extcap->ext_capab, 0, 8);
@@ -375,7 +372,7 @@ static void mwifiex_tdls_add_ext_capab(struct mwifiex_private *priv,
static void mwifiex_tdls_add_qos_capab(struct sk_buff *skb)
{
- u8 *pos = (void *)skb_put(skb, 3);
+ u8 *pos = skb_put(skb, 3);
*pos++ = WLAN_EID_QOS_CAPA;
*pos++ = 1;
@@ -391,8 +388,7 @@ mwifiex_tdls_add_wmm_param_ie(struct mwifiex_private *priv, struct sk_buff *skb)
u8 ac_be[] = {0x03, 0xa4, 0x00, 0x00};
u8 ac_bk[] = {0x27, 0xa4, 0x00, 0x00};
- wmm = (void *)skb_put(skb, sizeof(*wmm));
- memset(wmm, 0, sizeof(*wmm));
+ wmm = skb_put_zero(skb, sizeof(*wmm));
wmm->element_id = WLAN_EID_VENDOR_SPECIFIC;
wmm->len = sizeof(*wmm) - 2;
@@ -417,8 +413,8 @@ mwifiex_add_wmm_info_ie(struct mwifiex_private *priv, struct sk_buff *skb,
{
u8 *buf;
- buf = (void *)skb_put(skb, MWIFIEX_TDLS_WMM_INFO_SIZE +
- sizeof(struct ieee_types_header));
+ buf = skb_put(skb,
+ MWIFIEX_TDLS_WMM_INFO_SIZE + sizeof(struct ieee_types_header));
*buf++ = WLAN_EID_VENDOR_SPECIFIC;
*buf++ = 7; /* len */
@@ -435,7 +431,7 @@ static void mwifiex_tdls_add_bss_co_2040(struct sk_buff *skb)
{
struct ieee_types_bss_co_2040 *bssco;
- bssco = (void *)skb_put(skb, sizeof(struct ieee_types_bss_co_2040));
+ bssco = skb_put(skb, sizeof(struct ieee_types_bss_co_2040));
bssco->ieee_hdr.element_id = WLAN_EID_BSS_COEX_2040;
bssco->ieee_hdr.len = sizeof(struct ieee_types_bss_co_2040) -
sizeof(struct ieee_types_header);
@@ -447,8 +443,8 @@ static void mwifiex_tdls_add_supported_chan(struct sk_buff *skb)
struct ieee_types_generic *supp_chan;
u8 chan_supp[] = {1, 11};
- supp_chan = (void *)skb_put(skb, (sizeof(struct ieee_types_header) +
- sizeof(chan_supp)));
+ supp_chan = skb_put(skb,
+ (sizeof(struct ieee_types_header) + sizeof(chan_supp)));
supp_chan->ieee_hdr.element_id = WLAN_EID_SUPPORTED_CHANNELS;
supp_chan->ieee_hdr.len = sizeof(chan_supp);
memcpy(supp_chan->data, chan_supp, sizeof(chan_supp));
@@ -459,8 +455,8 @@ static void mwifiex_tdls_add_oper_class(struct sk_buff *skb)
struct ieee_types_generic *reg_class;
u8 rc_list[] = {1,
1, 2, 3, 4, 12, 22, 23, 24, 25, 27, 28, 29, 30, 32, 33};
- reg_class = (void *)skb_put(skb, (sizeof(struct ieee_types_header) +
- sizeof(rc_list)));
+ reg_class = skb_put(skb,
+ (sizeof(struct ieee_types_header) + sizeof(rc_list)));
reg_class->ieee_hdr.element_id = WLAN_EID_SUPPORTED_REGULATORY_CLASSES;
reg_class->ieee_hdr.len = sizeof(rc_list);
memcpy(reg_class->data, rc_list, sizeof(rc_list));
@@ -479,7 +475,7 @@ static int mwifiex_prep_tdls_encap_data(struct mwifiex_private *priv,
capab = priv->curr_bss_params.bss_descriptor.cap_info_bitmap;
- tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
+ tf = skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
memcpy(tf->da, peer, ETH_ALEN);
memcpy(tf->sa, priv->curr_addr, ETH_ALEN);
tf->ether_type = cpu_to_be16(ETH_P_TDLS);
@@ -498,7 +494,7 @@ static int mwifiex_prep_tdls_encap_data(struct mwifiex_private *priv,
return ret;
}
- pos = (void *)skb_put(skb, sizeof(struct ieee80211_ht_cap) + 2);
+ pos = skb_put(skb, sizeof(struct ieee80211_ht_cap) + 2);
*pos++ = WLAN_EID_HT_CAPABILITY;
*pos++ = sizeof(struct ieee80211_ht_cap);
ht_cap = (void *)pos;
@@ -538,7 +534,7 @@ static int mwifiex_prep_tdls_encap_data(struct mwifiex_private *priv,
return ret;
}
- pos = (void *)skb_put(skb, sizeof(struct ieee80211_ht_cap) + 2);
+ pos = skb_put(skb, sizeof(struct ieee80211_ht_cap) + 2);
*pos++ = WLAN_EID_HT_CAPABILITY;
*pos++ = sizeof(struct ieee80211_ht_cap);
ht_cap = (void *)pos;
@@ -620,7 +616,7 @@ mwifiex_tdls_add_link_ie(struct sk_buff *skb, const u8 *src_addr,
{
struct ieee80211_tdls_lnkie *lnkid;
- lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie));
+ lnkid = skb_put(skb, sizeof(struct ieee80211_tdls_lnkie));
lnkid->ie_type = WLAN_EID_LINK_ID;
lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) -
sizeof(struct ieee_types_header);
@@ -683,8 +679,7 @@ int mwifiex_send_tdls_data_frame(struct mwifiex_private *priv, const u8 *peer,
return ret;
}
if (extra_ies_len)
- memcpy(skb_put(skb, extra_ies_len), extra_ies,
- extra_ies_len);
+ skb_put_data(skb, extra_ies, extra_ies_len);
mwifiex_tdls_add_link_ie(skb, priv->curr_addr, peer,
priv->cfg_bssid);
break;
@@ -697,8 +692,7 @@ int mwifiex_send_tdls_data_frame(struct mwifiex_private *priv, const u8 *peer,
return ret;
}
if (extra_ies_len)
- memcpy(skb_put(skb, extra_ies_len), extra_ies,
- extra_ies_len);
+ skb_put_data(skb, extra_ies, extra_ies_len);
mwifiex_tdls_add_link_ie(skb, peer, priv->curr_addr,
priv->cfg_bssid);
break;
@@ -747,7 +741,7 @@ mwifiex_construct_tdls_action_frame(struct mwifiex_private *priv,
capab = priv->curr_bss_params.bss_descriptor.cap_info_bitmap;
- mgmt = (void *)skb_put(skb, offsetof(struct ieee80211_mgmt, u));
+ mgmt = skb_put(skb, offsetof(struct ieee80211_mgmt, u));
memset(mgmt, 0, 24);
memcpy(mgmt->da, peer, ETH_ALEN);
@@ -781,7 +775,7 @@ mwifiex_construct_tdls_action_frame(struct mwifiex_private *priv,
return ret;
}
- pos = (void *)skb_put(skb, sizeof(struct ieee80211_ht_cap) + 2);
+ pos = skb_put(skb, sizeof(struct ieee80211_ht_cap) + 2);
*pos++ = WLAN_EID_HT_CAPABILITY;
*pos++ = sizeof(struct ieee80211_ht_cap);
ht_cap = (void *)pos;
@@ -856,8 +850,8 @@ int mwifiex_send_tdls_action_frame(struct mwifiex_private *priv, const u8 *peer,
pkt_type = PKT_TYPE_MGMT;
tx_control = 0;
- pos = skb_put(skb, MWIFIEX_MGMT_FRAME_HEADER_SIZE + sizeof(pkt_len));
- memset(pos, 0, MWIFIEX_MGMT_FRAME_HEADER_SIZE + sizeof(pkt_len));
+ pos = skb_put_zero(skb,
+ MWIFIEX_MGMT_FRAME_HEADER_SIZE + sizeof(pkt_len));
memcpy(pos, &pkt_type, sizeof(pkt_type));
memcpy(pos + sizeof(pkt_type), &tx_control, sizeof(tx_control));
@@ -869,7 +863,7 @@ int mwifiex_send_tdls_action_frame(struct mwifiex_private *priv, const u8 *peer,
}
if (extra_ies_len)
- memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len);
+ skb_put_data(skb, extra_ies, extra_ies_len);
/* the TDLS link IE is always added last we are the responder */
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.