diff options
-rw-r--r-- | drivers/net/wireless/ath/ath11k/mac.c | 5 | ||||
-rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/sta.c | 2 | ||||
-rw-r--r-- | drivers/net/wireless/mediatek/mt76/dma.c | 5 | ||||
-rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7615/mac.c | 12 | ||||
-rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7915/mac.c | 12 | ||||
-rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7921/mac.c | 4 | ||||
-rw-r--r-- | drivers/net/wireless/mediatek/mt76/tx.c | 10 | ||||
-rw-r--r-- | include/linux/wireless.h | 10 | ||||
-rw-r--r-- | net/mac80211/iface.c | 8 | ||||
-rw-r--r-- | net/mac80211/mlme.c | 7 | ||||
-rw-r--r-- | net/mac80211/rx.c | 9 | ||||
-rw-r--r-- | net/mac80211/tx.c | 10 | ||||
-rw-r--r-- | net/mac80211/util.c | 2 | ||||
-rw-r--r-- | net/wireless/nl80211.c | 4 | ||||
-rw-r--r-- | net/wireless/util.c | 40 | ||||
-rw-r--r-- | net/wireless/wext-core.c | 17 |
16 files changed, 94 insertions, 63 deletions
diff --git a/drivers/net/wireless/ath/ath11k/mac.c b/drivers/net/wireless/ath/ath11k/mac.c index 84d956ad4093..2d1e3fd9b526 100644 --- a/drivers/net/wireless/ath/ath11k/mac.c +++ b/drivers/net/wireless/ath/ath11k/mac.c @@ -2081,7 +2081,7 @@ static void ath11k_peer_assoc_h_he(struct ath11k *ar, struct cfg80211_chan_def def; const struct ieee80211_sta_he_cap *he_cap = &sta->deflink.he_cap; enum nl80211_band band; - u16 *he_mcs_mask; + u16 he_mcs_mask[NL80211_HE_NSS_MAX]; u8 max_nss, he_mcs; u16 he_tx_mcs = 0, v = 0; int i, he_nss, nss_idx; @@ -2098,7 +2098,8 @@ static void ath11k_peer_assoc_h_he(struct ath11k *ar, return; band = def.chan->band; - he_mcs_mask = arvif->bitrate_mask.control[band].he_mcs; + memcpy(he_mcs_mask, arvif->bitrate_mask.control[band].he_mcs, + sizeof(he_mcs_mask)); if (ath11k_peer_assoc_h_he_masked(he_mcs_mask)) return; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c index cc92706b3d16..cbd8053a9e35 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c @@ -384,6 +384,7 @@ static int iwl_mvm_disable_txq(struct iwl_mvm *mvm, struct ieee80211_sta *sta, iwl_mvm_txq_from_tid(sta, tid); mvmtxq->txq_id = IWL_MVM_INVALID_QUEUE; + list_del_init(&mvmtxq->list); } /* Regardless if this is a reserved TXQ for a STA - mark it as false */ @@ -478,6 +479,7 @@ static int iwl_mvm_remove_sta_queue_marking(struct iwl_mvm *mvm, int queue) mvmsta->tid_data[tid].txq_id = IWL_MVM_INVALID_QUEUE; mvmtxq->txq_id = IWL_MVM_INVALID_QUEUE; + list_del_init(&mvmtxq->list); } mvmsta->tfd_queue_msk &= ~BIT(queue); /* Don't use this queue anymore */ diff --git a/drivers/net/wireless/mediatek/mt76/dma.c b/drivers/net/wireless/mediatek/mt76/dma.c index 4901aa02b4fb..7378c4d1e156 100644 --- a/drivers/net/wireless/mediatek/mt76/dma.c +++ b/drivers/net/wireless/mediatek/mt76/dma.c @@ -696,10 +696,7 @@ mt76_dma_rx_process(struct mt76_dev *dev, struct mt76_queue *q, int budget) skb_reserve(skb, q->buf_offset); - if (q == &dev->q_rx[MT_RXQ_MCU]) { - u32 *rxfce = (u32 *)skb->cb; - *rxfce = info; - } + *(u32 *)skb->cb = info; __skb_put(skb, len); done++; diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c index d6aae60c440d..2ce1705c0f43 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c @@ -345,6 +345,7 @@ static int mt7615_mac_fill_rx(struct mt7615_dev *dev, struct sk_buff *skb) u32 rxd1 = le32_to_cpu(rxd[1]); u32 rxd2 = le32_to_cpu(rxd[2]); u32 csum_mask = MT_RXD0_NORMAL_IP_SUM | MT_RXD0_NORMAL_UDP_TCP_SUM; + u32 csum_status = *(u32 *)skb->cb; bool unicast, hdr_trans, remove_pad, insert_ccmp_hdr = false; u16 hdr_gap; int phy_idx; @@ -394,7 +395,8 @@ static int mt7615_mac_fill_rx(struct mt7615_dev *dev, struct sk_buff *skb) spin_unlock_bh(&dev->sta_poll_lock); } - if ((rxd0 & csum_mask) == csum_mask) + if (mt76_is_mmio(&dev->mt76) && (rxd0 & csum_mask) == csum_mask && + !(csum_status & (BIT(0) | BIT(2) | BIT(3)))) skb->ip_summed = CHECKSUM_UNNECESSARY; if (rxd2 & MT_RXD2_NORMAL_FCS_ERR) @@ -610,14 +612,14 @@ static int mt7615_mac_fill_rx(struct mt7615_dev *dev, struct sk_buff *skb) * When header translation failure is indicated, * the hardware will insert an extra 2-byte field * containing the data length after the protocol - * type field. + * type field. This happens either when the LLC-SNAP + * pattern did not match, or if a VLAN header was + * detected. */ pad_start = 12; if (get_unaligned_be16(skb->data + pad_start) == ETH_P_8021Q) pad_start += 4; - - if (get_unaligned_be16(skb->data + pad_start) != - skb->len - pad_start - 2) + else pad_start = 0; } diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c index be97dede2634..a4bcc617c1a3 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c @@ -233,6 +233,7 @@ mt7915_mac_fill_rx(struct mt7915_dev *dev, struct sk_buff *skb) u8 remove_pad, amsdu_info; u8 mode = 0, qos_ctl = 0; struct mt7915_sta *msta = NULL; + u32 csum_status = *(u32 *)skb->cb; bool hdr_trans; u16 hdr_gap; u16 seq_ctrl = 0; @@ -288,7 +289,8 @@ mt7915_mac_fill_rx(struct mt7915_dev *dev, struct sk_buff *skb) if (!sband->channels) return -EINVAL; - if ((rxd0 & csum_mask) == csum_mask) + if ((rxd0 & csum_mask) == csum_mask && + !(csum_status & (BIT(0) | BIT(2) | BIT(3)))) skb->ip_summed = CHECKSUM_UNNECESSARY; if (rxd1 & MT_RXD1_NORMAL_FCS_ERR) @@ -446,14 +448,14 @@ mt7915_mac_fill_rx(struct mt7915_dev *dev, struct sk_buff *skb) * When header translation failure is indicated, * the hardware will insert an extra 2-byte field * containing the data length after the protocol - * type field. + * type field. This happens either when the LLC-SNAP + * pattern did not match, or if a VLAN header was + * detected. */ pad_start = 12; if (get_unaligned_be16(skb->data + pad_start) == ETH_P_8021Q) pad_start += 4; - - if (get_unaligned_be16(skb->data + pad_start) != - skb->len - pad_start - 2) + else pad_start = 0; } diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c index e4868c492bc0..650ab97ae052 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c @@ -230,6 +230,7 @@ mt7921_mac_fill_rx(struct mt7921_dev *dev, struct sk_buff *skb) struct mt76_phy *mphy = &dev->mt76.phy; struct mt7921_phy *phy = &dev->phy; struct ieee80211_supported_band *sband; + u32 csum_status = *(u32 *)skb->cb; u32 rxd0 = le32_to_cpu(rxd[0]); u32 rxd1 = le32_to_cpu(rxd[1]); u32 rxd2 = le32_to_cpu(rxd[2]); @@ -290,7 +291,8 @@ mt7921_mac_fill_rx(struct mt7921_dev *dev, struct sk_buff *skb) if (!sband->channels) return -EINVAL; - if ((rxd0 & csum_mask) == csum_mask) + if (mt76_is_mmio(&dev->mt76) && (rxd0 & csum_mask) == csum_mask && + !(csum_status & (BIT(0) | BIT(2) | BIT(3)))) skb->ip_summed = CHECKSUM_UNNECESSARY; if (rxd1 & MT_RXD1_NORMAL_FCS_ERR) diff --git a/drivers/net/wireless/mediatek/mt76/tx.c b/drivers/net/wireless/mediatek/mt76/tx.c index e67cc7909bce..6c054850363f 100644 --- a/drivers/net/wireless/mediatek/mt76/tx.c +++ b/drivers/net/wireless/mediatek/mt76/tx.c @@ -60,14 +60,20 @@ mt76_tx_status_unlock(struct mt76_dev *dev, struct sk_buff_head *list) .skb = skb, .info = IEEE80211_SKB_CB(skb), }; + struct ieee80211_rate_status rs = {}; struct mt76_tx_cb *cb = mt76_tx_skb_cb(skb); struct mt76_wcid *wcid; wcid = rcu_dereference(dev->wcid[cb->wcid]); if (wcid) { status.sta = wcid_to_sta(wcid); - status.rates = NULL; - status.n_rates = 0; + if (status.sta && (wcid->rate.flags || wcid->rate.legacy)) { + rs.rate_idx = wcid->rate; + status.rates = &rs; + status.n_rates = 1; + } else { + status.n_rates = 0; + } } hw = mt76_tx_status_get_hw(dev, skb); diff --git a/include/linux/wireless.h b/include/linux/wireless.h index 2d1b54556eff..e6e34d74dda0 100644 --- a/include/linux/wireless.h +++ b/include/linux/wireless.h @@ -26,7 +26,15 @@ struct compat_iw_point { struct __compat_iw_event { __u16 len; /* Real length of this stuff */ __u16 cmd; /* Wireless IOCTL */ - compat_caddr_t pointer; + + union { + compat_caddr_t pointer; + + /* we need ptr_bytes to make memcpy() run-time destination + * buffer bounds checking happy, nothing special + */ + DECLARE_FLEX_ARRAY(__u8, ptr_bytes); + }; }; #define IW_EV_COMPAT_LCP_LEN offsetof(struct __compat_iw_event, pointer) #define IW_EV_COMPAT_POINT_OFF offsetof(struct compat_iw_point, length) diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index 572254366a0f..dd9ac1f7d2ea 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -243,7 +243,7 @@ static int ieee80211_can_powered_addr_change(struct ieee80211_sub_if_data *sdata */ break; default: - return -EOPNOTSUPP; + ret = -EOPNOTSUPP; } unlock: @@ -461,7 +461,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, bool going_do /* * Stop TX on this interface first. */ - if (sdata->dev) + if (!local->ops->wake_tx_queue && sdata->dev) netif_tx_stop_all_queues(sdata->dev); ieee80211_roc_purge(local, sdata); @@ -1412,8 +1412,6 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up) sdata->vif.type != NL80211_IFTYPE_STATION); } - set_bit(SDATA_STATE_RUNNING, &sdata->state); - switch (sdata->vif.type) { case NL80211_IFTYPE_P2P_DEVICE: rcu_assign_pointer(local->p2p_sdata, sdata); @@ -1472,6 +1470,8 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up) spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags); } + set_bit(SDATA_STATE_RUNNING, &sdata->state); + return 0; err_del_interface: drv_remove_interface(local, sdata); diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 54b8d5065bbd..d8484cd870de 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -4409,8 +4409,11 @@ ieee80211_verify_peer_he_mcs_support(struct ieee80211_sub_if_data *sdata, he_cap_elem = cfg80211_find_ext_elem(WLAN_EID_EXT_HE_CAPABILITY, ies->data, ies->len); + if (!he_cap_elem) + return false; + /* invalid HE IE */ - if (!he_cap_elem || he_cap_elem->datalen < 1 + sizeof(*he_cap)) { + if (he_cap_elem->datalen < 1 + sizeof(*he_cap)) { sdata_info(sdata, "Invalid HE elem, Disable HE\n"); return false; @@ -4676,8 +4679,6 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata, } if (!elems->vht_cap_elem) { - sdata_info(sdata, - "bad VHT capabilities, disabling VHT\n"); *conn_flags |= IEEE80211_CONN_DISABLE_VHT; vht_oper = NULL; } diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index bd215fe3c796..589521717c35 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -4352,6 +4352,7 @@ void ieee80211_check_fast_rx(struct sta_info *sta) .vif_type = sdata->vif.type, .control_port_protocol = sdata->control_port_protocol, }, *old, *new = NULL; + u32 offload_flags; bool set_offload = false; bool assign = false; bool offload; @@ -4467,10 +4468,10 @@ void ieee80211_check_fast_rx(struct sta_info *sta) if (assign) new = kmemdup(&fastrx, sizeof(fastrx), GFP_KERNEL); - offload = assign && - (sdata->vif.offload_flags & IEEE80211_OFFLOAD_DECAP_ENABLED); + offload_flags = get_bss_sdata(sdata)->vif.offload_flags; + offload = offload_flags & IEEE80211_OFFLOAD_DECAP_ENABLED; - if (offload) + if (assign && offload) set_offload = !test_and_set_sta_flag(sta, WLAN_STA_DECAP_OFFLOAD); else set_offload = test_and_clear_sta_flag(sta, WLAN_STA_DECAP_OFFLOAD); @@ -4708,7 +4709,7 @@ static bool ieee80211_invoke_fast_rx(struct ieee80211_rx_data *rx, if (!(status->rx_flags & IEEE80211_RX_AMSDU)) { if (!pskb_may_pull(skb, snap_offs + sizeof(*payload))) - goto drop; + return false; payload = (void *)(skb->data + snap_offs); diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 27c964be102e..a364148149f9 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -2319,6 +2319,10 @@ netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb, u16 len_rthdr; int hdrlen; + sdata = IEEE80211_DEV_TO_SUB_IF(dev); + if (unlikely(!ieee80211_sdata_running(sdata))) + goto fail; + memset(info, 0, sizeof(*info)); info->flags = IEEE80211_TX_CTL_REQ_TX_STATUS | IEEE80211_TX_CTL_INJECTED; @@ -2378,8 +2382,6 @@ netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb, * This is necessary, for example, for old hostapd versions that * don't use nl80211-based management TX/RX. */ - sdata = IEEE80211_DEV_TO_SUB_IF(dev); - list_for_each_entry_rcu(tmp_sdata, &local->interfaces, list) { if (!ieee80211_sdata_running(tmp_sdata)) continue; @@ -4169,7 +4171,7 @@ void __ieee80211_subif_start_xmit(struct sk_buff *skb, struct sk_buff *next; int len = skb->len; - if (unlikely(skb->len < ETH_HLEN)) { + if (unlikely(!ieee80211_sdata_running(sdata) || skb->len < ETH_HLEN)) { kfree_skb(skb); return; } @@ -4566,7 +4568,7 @@ netdev_tx_t ieee80211_subif_start_xmit_8023(struct sk_buff *skb, struct ieee80211_key *key; struct sta_info *sta; - if (unlikely(skb->len < ETH_HLEN)) { + if (unlikely(!ieee80211_sdata_running(sdata) || skb->len < ETH_HLEN)) { kfree_skb(skb); return NETDEV_TX_OK; } diff --git a/net/mac80211/util.c b/net/mac80211/util.c index bf7461c41bef..1e929b82deef 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -2046,7 +2046,7 @@ static int ieee80211_build_preq_ies_band(struct ieee80211_sub_if_data *sdata, if (he_cap) { enum nl80211_iftype iftype = ieee80211_vif_type_p2p(&sdata->vif); - __le16 cap = ieee80211_get_he_6ghz_capa(sband, iftype); + __le16 cap = ieee80211_get_he_6ghz_capa(sband6, iftype); pos = ieee80211_write_he_6ghz_cap(pos, cap, end); } diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 8ff8b1c040f0..597c52236514 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -13265,7 +13265,9 @@ static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev, wake_mask_size); if (tok) { cfg->tokens_size = tokens_size; - memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size); + cfg->payload_tok = *tok; + memcpy(cfg->payload_tok.token_stream, tok->token_stream, + tokens_size); } trig->tcp = cfg; diff --git a/net/wireless/util.c b/net/wireless/util.c index 01493568a21d..1f285b515028 100644 --- a/net/wireless/util.c +++ b/net/wireless/util.c @@ -559,7 +559,7 @@ int ieee80211_data_to_8023_exthdr(struct sk_buff *skb, struct ethhdr *ehdr, return -1; hdrlen = ieee80211_hdrlen(hdr->frame_control) + data_offset; - if (skb->len < hdrlen + 8) + if (skb->len < hdrlen) return -1; /* convert IEEE 802.11 header + possible LLC headers into Ethernet @@ -574,8 +574,9 @@ int ieee80211_data_to_8023_exthdr(struct sk_buff *skb, struct ethhdr *ehdr, memcpy(tmp.h_dest, ieee80211_get_DA(hdr), ETH_ALEN); memcpy(tmp.h_source, ieee80211_get_SA(hdr), ETH_ALEN); - if (iftype == NL80211_IFTYPE_MESH_POINT) - skb_copy_bits(skb, hdrlen, &mesh_flags, 1); + if (iftype == NL80211_IFTYPE_MESH_POINT && + skb_copy_bits(skb, hdrlen, &mesh_flags, 1) < 0) + return -1; mesh_flags &= MESH_FLAGS_AE; @@ -595,11 +596,12 @@ int ieee80211_data_to_8023_exthdr(struct sk_buff *skb, struct ethhdr *ehdr, if (iftype == NL80211_IFTYPE_MESH_POINT) { if (mesh_flags == MESH_FLAGS_AE_A4) return -1; - if (mesh_flags == MESH_FLAGS_AE_A5_A6) { - skb_copy_bits(skb, hdrlen + - offsetof(struct ieee80211s_hdr, eaddr1), - tmp.h_dest, 2 * ETH_ALEN); - } + if (mesh_flags == MESH_FLAGS_AE_A5_A6 && + skb_copy_bits(skb, hdrlen + + offsetof(struct ieee80211s_hdr, eaddr1), + tmp.h_dest, 2 * ETH_ALEN) < 0) + return -1; + hdrlen += __ieee80211_get_mesh_hdrlen(mesh_flags); } break; @@ -613,10 +615,11 @@ int ieee80211_data_to_8023_exthdr(struct sk_buff *skb, struct ethhdr *ehdr, if (iftype == NL80211_IFTYPE_MESH_POINT) { if (mesh_flags == MESH_FLAGS_AE_A5_A6) return -1; - if (mesh_flags == MESH_FLAGS_AE_A4) - skb_copy_bits(skb, hdrlen + - offsetof(struct ieee80211s_hdr, eaddr1), - tmp.h_source, ETH_ALEN); + if (mesh_flags == MESH_FLAGS_AE_A4 && + skb_copy_bits(skb, hdrlen + + offsetof(struct ieee80211s_hdr, eaddr1), + tmp.h_source, ETH_ALEN) < 0) + return -1; hdrlen += __ieee80211_get_mesh_hdrlen(mesh_flags); } break; @@ -628,16 +631,15 @@ int ieee80211_data_to_8023_exthdr(struct sk_buff *skb, struct ethhdr *ehdr, break; } - skb_copy_bits(skb, hdrlen, &payload, sizeof(payload)); - tmp.h_proto = payload.proto; - - if (likely((!is_amsdu && ether_addr_equal(payload.hdr, rfc1042_header) && - tmp.h_proto != htons(ETH_P_AARP) && - tmp.h_proto != htons(ETH_P_IPX)) || - ether_addr_equal(payload.hdr, bridge_tunnel_header))) { + if (likely(skb_copy_bits(skb, hdrlen, &payload, sizeof(payload)) == 0 && + ((!is_amsdu && ether_addr_equal(payload.hdr, rfc1042_header) && + payload.proto != htons(ETH_P_AARP) && + payload.proto != htons(ETH_P_IPX)) || + ether_addr_equal(payload.hdr, bridge_tunnel_header)))) { /* remove RFC1042 or Bridge-Tunnel encapsulation and * replace EtherType */ hdrlen += ETH_ALEN + 2; + tmp.h_proto = payload.proto; skb_postpull_rcsum(skb, &payload, ETH_ALEN + 2); } else { tmp.h_proto = htons(skb->len - hdrlen); diff --git a/net/wireless/wext-core.c b/net/wireless/wext-core.c index 76a80a41615b..fe8765c4075d 100644 --- a/net/wireless/wext-core.c +++ b/net/wireless/wext-core.c @@ -468,6 +468,7 @@ void wireless_send_event(struct net_device * dev, struct __compat_iw_event *compat_event; struct compat_iw_point compat_wrqu; struct sk_buff *compskb; + int ptr_len; #endif /* @@ -582,6 +583,9 @@ void wireless_send_event(struct net_device * dev, nlmsg_end(skb, nlh); #ifdef CONFIG_COMPAT hdr_len = compat_event_type_size[descr->header_type]; + + /* ptr_len is remaining size in event header apart from LCP */ + ptr_len = hdr_len - IW_EV_COMPAT_LCP_LEN; event_len = hdr_len + extra_len; compskb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC); @@ -612,16 +616,15 @@ void wireless_send_event(struct net_device * dev, if (descr->header_type == IW_HEADER_TYPE_POINT) { compat_wrqu.length = wrqu->data.length; compat_wrqu.flags = wrqu->data.flags; - memcpy(&compat_event->pointer, - ((char *) &compat_wrqu) + IW_EV_COMPAT_POINT_OFF, - hdr_len - IW_EV_COMPAT_LCP_LEN); + memcpy(compat_event->ptr_bytes, + ((char *)&compat_wrqu) + IW_EV_COMPAT_POINT_OFF, + ptr_len); if (extra_len) - memcpy(((char *) compat_event) + hdr_len, - extra, extra_len); + memcpy(&compat_event->ptr_bytes[ptr_len], + extra, extra_len); } else { /* extra_len must be zero, so no if (extra) needed */ - memcpy(&compat_event->pointer, wrqu, - hdr_len - IW_EV_COMPAT_LCP_LEN); + memcpy(compat_event->ptr_bytes, wrqu, ptr_len); } nlmsg_end(compskb, nlh); |