diff options
Diffstat (limited to 'drivers/net/wireless/mwifiex')
-rw-r--r-- | drivers/net/wireless/mwifiex/cfg80211.c | 23 | ||||
-rw-r--r-- | drivers/net/wireless/mwifiex/cmdevt.c | 2 | ||||
-rw-r--r-- | drivers/net/wireless/mwifiex/fw.h | 4 | ||||
-rw-r--r-- | drivers/net/wireless/mwifiex/ie.c | 11 | ||||
-rw-r--r-- | drivers/net/wireless/mwifiex/join.c | 2 | ||||
-rw-r--r-- | drivers/net/wireless/mwifiex/main.c | 35 | ||||
-rw-r--r-- | drivers/net/wireless/mwifiex/pcie.c | 8 | ||||
-rw-r--r-- | drivers/net/wireless/mwifiex/sdio.c | 10 | ||||
-rw-r--r-- | drivers/net/wireless/mwifiex/sta_cmd.c | 6 | ||||
-rw-r--r-- | drivers/net/wireless/mwifiex/sta_cmdresp.c | 46 | ||||
-rw-r--r-- | drivers/net/wireless/mwifiex/sta_ioctl.c | 9 | ||||
-rw-r--r-- | drivers/net/wireless/mwifiex/uap_txrx.c | 29 | ||||
-rw-r--r-- | drivers/net/wireless/mwifiex/usb.c | 27 | ||||
-rw-r--r-- | drivers/net/wireless/mwifiex/wmm.c | 5 | ||||
-rw-r--r-- | drivers/net/wireless/mwifiex/wmm.h | 24 |
15 files changed, 141 insertions, 100 deletions
diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c index fbad00a5abc8..aeaea0e3b4c4 100644 --- a/drivers/net/wireless/mwifiex/cfg80211.c +++ b/drivers/net/wireless/mwifiex/cfg80211.c @@ -2210,8 +2210,10 @@ struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy, priv->bss_started = 0; priv->bss_num = 0; - if (mwifiex_cfg80211_init_p2p_client(priv)) - return ERR_PTR(-EFAULT); + if (mwifiex_cfg80211_init_p2p_client(priv)) { + wdev = ERR_PTR(-EFAULT); + goto done; + } break; default: @@ -2224,7 +2226,8 @@ struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy, if (!dev) { wiphy_err(wiphy, "no memory available for netdevice\n"); priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; - return ERR_PTR(-ENOMEM); + wdev = ERR_PTR(-ENOMEM); + goto done; } mwifiex_init_priv_params(priv, dev); @@ -2264,7 +2267,9 @@ struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy, wiphy_err(wiphy, "cannot register virtual network device\n"); free_netdev(dev); priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; - return ERR_PTR(-EFAULT); + priv->netdev = NULL; + wdev = ERR_PTR(-EFAULT); + goto done; } sema_init(&priv->async_sem, 1); @@ -2274,6 +2279,13 @@ struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy, #ifdef CONFIG_DEBUG_FS mwifiex_dev_debugfs_init(priv); #endif + +done: + if (IS_ERR(wdev)) { + kfree(priv->wdev); + priv->wdev = NULL; + } + return wdev; } EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf); @@ -2298,7 +2310,10 @@ int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev) unregister_netdevice(wdev->netdev); /* Clear the priv in adapter */ + priv->netdev->ieee80211_ptr = NULL; priv->netdev = NULL; + kfree(wdev); + priv->wdev = NULL; priv->media_connected = false; diff --git a/drivers/net/wireless/mwifiex/cmdevt.c b/drivers/net/wireless/mwifiex/cmdevt.c index a6c46f3b6e3a..e47f4e3012b8 100644 --- a/drivers/net/wireless/mwifiex/cmdevt.c +++ b/drivers/net/wireless/mwifiex/cmdevt.c @@ -1048,7 +1048,7 @@ mwifiex_cancel_pending_ioctl(struct mwifiex_adapter *adapter) struct cmd_ctrl_node *cmd_node = NULL, *tmp_node = NULL; unsigned long cmd_flags; unsigned long scan_pending_q_flags; - uint16_t cancel_scan_cmd = false; + bool cancel_scan_cmd = false; if ((adapter->curr_cmd) && (adapter->curr_cmd->wait_q_enabled)) { diff --git a/drivers/net/wireless/mwifiex/fw.h b/drivers/net/wireless/mwifiex/fw.h index f80f30b6160e..c8385ec77a86 100644 --- a/drivers/net/wireless/mwifiex/fw.h +++ b/drivers/net/wireless/mwifiex/fw.h @@ -1020,8 +1020,8 @@ struct mwifiex_power_group { } __packed; struct mwifiex_types_power_group { - u16 type; - u16 length; + __le16 type; + __le16 length; } __packed; struct host_cmd_ds_txpwr_cfg { diff --git a/drivers/net/wireless/mwifiex/ie.c b/drivers/net/wireless/mwifiex/ie.c index 220af4fe0fc6..81ac001ee741 100644 --- a/drivers/net/wireless/mwifiex/ie.c +++ b/drivers/net/wireless/mwifiex/ie.c @@ -82,7 +82,7 @@ mwifiex_update_autoindex_ies(struct mwifiex_private *priv, struct mwifiex_ie_list *ie_list) { u16 travel_len, index, mask; - s16 input_len; + s16 input_len, tlv_len; struct mwifiex_ie *ie; u8 *tmp; @@ -91,11 +91,13 @@ mwifiex_update_autoindex_ies(struct mwifiex_private *priv, ie_list->len = 0; - while (input_len > 0) { + while (input_len >= sizeof(struct mwifiex_ie_types_header)) { ie = (struct mwifiex_ie *)(((u8 *)ie_list) + travel_len); - input_len -= le16_to_cpu(ie->ie_length) + MWIFIEX_IE_HDR_SIZE; - travel_len += le16_to_cpu(ie->ie_length) + MWIFIEX_IE_HDR_SIZE; + tlv_len = le16_to_cpu(ie->ie_length); + travel_len += tlv_len + MWIFIEX_IE_HDR_SIZE; + if (input_len < tlv_len + MWIFIEX_IE_HDR_SIZE) + return -1; index = le16_to_cpu(ie->ie_index); mask = le16_to_cpu(ie->mgmt_subtype_mask); @@ -132,6 +134,7 @@ mwifiex_update_autoindex_ies(struct mwifiex_private *priv, le16_add_cpu(&ie_list->len, le16_to_cpu(priv->mgmt_ie[index].ie_length) + MWIFIEX_IE_HDR_SIZE); + input_len -= tlv_len + MWIFIEX_IE_HDR_SIZE; } if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) diff --git a/drivers/net/wireless/mwifiex/join.c b/drivers/net/wireless/mwifiex/join.c index 37f873bb342f..4e4686e6ac09 100644 --- a/drivers/net/wireless/mwifiex/join.c +++ b/drivers/net/wireless/mwifiex/join.c @@ -621,7 +621,7 @@ int mwifiex_ret_802_11_associate(struct mwifiex_private *priv, int ret = 0; struct ieee_types_assoc_rsp *assoc_rsp; struct mwifiex_bssdescriptor *bss_desc; - u8 enable_data = true; + bool enable_data = true; u16 cap_info, status_code; assoc_rsp = (struct ieee_types_assoc_rsp *) &resp->params; diff --git a/drivers/net/wireless/mwifiex/main.c b/drivers/net/wireless/mwifiex/main.c index c2b91f566e05..8bb8988c435c 100644 --- a/drivers/net/wireless/mwifiex/main.c +++ b/drivers/net/wireless/mwifiex/main.c @@ -411,13 +411,14 @@ static void mwifiex_terminate_workqueue(struct mwifiex_adapter *adapter) */ static void mwifiex_fw_dpc(const struct firmware *firmware, void *context) { - int ret, i; + int ret; char fmt[64]; struct mwifiex_private *priv; struct mwifiex_adapter *adapter = context; struct mwifiex_fw_image fw; struct semaphore *sem = adapter->card_sem; bool init_failed = false; + struct wireless_dev *wdev; if (!firmware) { dev_err(adapter->dev, @@ -469,14 +470,16 @@ static void mwifiex_fw_dpc(const struct firmware *firmware, void *context) priv = adapter->priv[MWIFIEX_BSS_ROLE_STA]; if (mwifiex_register_cfg80211(adapter)) { dev_err(adapter->dev, "cannot register with cfg80211\n"); - goto err_register_cfg80211; + goto err_init_fw; } rtnl_lock(); /* Create station interface by default */ - if (!mwifiex_add_virtual_intf(adapter->wiphy, "mlan%d", - NL80211_IFTYPE_STATION, NULL, NULL)) { + wdev = mwifiex_add_virtual_intf(adapter->wiphy, "mlan%d", + NL80211_IFTYPE_STATION, NULL, NULL); + if (IS_ERR(wdev)) { dev_err(adapter->dev, "cannot create default STA interface\n"); + rtnl_unlock(); goto err_add_intf; } rtnl_unlock(); @@ -486,17 +489,6 @@ static void mwifiex_fw_dpc(const struct firmware *firmware, void *context) goto done; err_add_intf: - for (i = 0; i < adapter->priv_num; i++) { - priv = adapter->priv[i]; - - if (!priv) - continue; - - if (priv->wdev && priv->netdev) - mwifiex_del_virtual_intf(adapter->wiphy, priv->wdev); - } - rtnl_unlock(); -err_register_cfg80211: wiphy_unregister(adapter->wiphy); wiphy_free(adapter->wiphy); err_init_fw: @@ -754,7 +746,8 @@ static struct net_device_stats *mwifiex_get_stats(struct net_device *dev) } static u16 -mwifiex_netdev_select_wmm_queue(struct net_device *dev, struct sk_buff *skb) +mwifiex_netdev_select_wmm_queue(struct net_device *dev, struct sk_buff *skb, + void *accel_priv) { skb->priority = cfg80211_classify8021d(skb); return mwifiex_1d_to_wmm_queue[skb->priority]; @@ -882,7 +875,9 @@ mwifiex_add_card(void *card, struct semaphore *sem, adapter->cmd_wait_q.status = 0; adapter->scan_wait_q_woken = false; - adapter->workqueue = create_workqueue("MWIFIEX_WORK_QUEUE"); + adapter->workqueue = + alloc_workqueue("MWIFIEX_WORK_QUEUE", + WQ_HIGHPRI | WQ_MEM_RECLAIM | WQ_UNBOUND, 1); if (!adapter->workqueue) goto err_kmalloc; @@ -1004,12 +999,6 @@ int mwifiex_remove_card(struct mwifiex_adapter *adapter, struct semaphore *sem) wiphy_unregister(priv->wdev->wiphy); wiphy_free(priv->wdev->wiphy); - for (i = 0; i < adapter->priv_num; i++) { - priv = adapter->priv[i]; - if (priv) - kfree(priv->wdev); - } - mwifiex_terminate_workqueue(adapter); /* Unregister device */ diff --git a/drivers/net/wireless/mwifiex/pcie.c b/drivers/net/wireless/mwifiex/pcie.c index 52da8ee7599a..03688aa14e8a 100644 --- a/drivers/net/wireless/mwifiex/pcie.c +++ b/drivers/net/wireless/mwifiex/pcie.c @@ -93,7 +93,7 @@ static int mwifiex_pcie_suspend(struct device *dev) struct pci_dev *pdev = to_pci_dev(dev); if (pdev) { - card = (struct pcie_service_card *) pci_get_drvdata(pdev); + card = pci_get_drvdata(pdev); if (!card || !card->adapter) { pr_err("Card or adapter structure is not valid\n"); return 0; @@ -128,7 +128,7 @@ static int mwifiex_pcie_resume(struct device *dev) struct pci_dev *pdev = to_pci_dev(dev); if (pdev) { - card = (struct pcie_service_card *) pci_get_drvdata(pdev); + card = pci_get_drvdata(pdev); if (!card || !card->adapter) { pr_err("Card or adapter structure is not valid\n"); return 0; @@ -232,7 +232,6 @@ static void mwifiex_pcie_remove(struct pci_dev *pdev) } mwifiex_remove_card(card->adapter, &add_remove_card_sem); - kfree(card); } static void mwifiex_pcie_shutdown(struct pci_dev *pdev) @@ -2037,7 +2036,7 @@ static irqreturn_t mwifiex_pcie_interrupt(int irq, void *context) goto exit; } - card = (struct pcie_service_card *) pci_get_drvdata(pdev); + card = pci_get_drvdata(pdev); if (!card || !card->adapter) { pr_debug("info: %s: card=%p adapter=%p\n", __func__, card, card ? card->adapter : NULL); @@ -2313,6 +2312,7 @@ static void mwifiex_pcie_cleanup(struct mwifiex_adapter *adapter) pci_release_region(pdev, 0); pci_set_drvdata(pdev, NULL); } + kfree(card); } /* diff --git a/drivers/net/wireless/mwifiex/sdio.c b/drivers/net/wireless/mwifiex/sdio.c index 1576104e3d95..b44a31523461 100644 --- a/drivers/net/wireless/mwifiex/sdio.c +++ b/drivers/net/wireless/mwifiex/sdio.c @@ -196,7 +196,6 @@ mwifiex_sdio_remove(struct sdio_func *func) } mwifiex_remove_card(card->adapter, &add_remove_card_sem); - kfree(card); } /* @@ -1029,7 +1028,10 @@ static int mwifiex_decode_rx_packet(struct mwifiex_adapter *adapter, struct sk_buff *skb, u32 upld_typ) { u8 *cmd_buf; + __le16 *curr_ptr = (__le16 *)skb->data; + u16 pkt_len = le16_to_cpu(*curr_ptr); + skb_trim(skb, pkt_len); skb_pull(skb, INTF_HEADER_LEN); switch (upld_typ) { @@ -1742,7 +1744,6 @@ mwifiex_unregister_dev(struct mwifiex_adapter *adapter) sdio_claim_host(card->func); sdio_disable_func(card->func); sdio_release_host(card->func); - sdio_set_drvdata(card->func, NULL); } } @@ -1770,7 +1771,6 @@ static int mwifiex_register_dev(struct mwifiex_adapter *adapter) return ret; } - sdio_set_drvdata(func, card); adapter->dev = &func->dev; @@ -1798,6 +1798,8 @@ static int mwifiex_init_sdio(struct mwifiex_adapter *adapter) int ret; u8 sdio_ireg; + sdio_set_drvdata(card->func, card); + /* * Read the HOST_INT_STATUS_REG for ACK the first interrupt got * from the bootloader. If we don't do this we get a interrupt @@ -1880,6 +1882,8 @@ static void mwifiex_cleanup_sdio(struct mwifiex_adapter *adapter) kfree(card->mpa_rx.len_arr); kfree(card->mpa_tx.buf); kfree(card->mpa_rx.buf); + sdio_set_drvdata(card->func, NULL); + kfree(card); } /* diff --git a/drivers/net/wireless/mwifiex/sta_cmd.c b/drivers/net/wireless/mwifiex/sta_cmd.c index c0268b597748..2181ee283d82 100644 --- a/drivers/net/wireless/mwifiex/sta_cmd.c +++ b/drivers/net/wireless/mwifiex/sta_cmd.c @@ -239,14 +239,14 @@ static int mwifiex_cmd_tx_power_cfg(struct host_cmd_ds_command *cmd, memmove(cmd_txp_cfg, txp, sizeof(struct host_cmd_ds_txpwr_cfg) + sizeof(struct mwifiex_types_power_group) + - pg_tlv->length); + le16_to_cpu(pg_tlv->length)); pg_tlv = (struct mwifiex_types_power_group *) ((u8 *) cmd_txp_cfg + sizeof(struct host_cmd_ds_txpwr_cfg)); cmd->size = cpu_to_le16(le16_to_cpu(cmd->size) + sizeof(struct mwifiex_types_power_group) + - pg_tlv->length); + le16_to_cpu(pg_tlv->length)); } else { memmove(cmd_txp_cfg, txp, sizeof(*txp)); } @@ -327,7 +327,7 @@ mwifiex_cmd_802_11_hs_cfg(struct mwifiex_private *priv, { struct mwifiex_adapter *adapter = priv->adapter; struct host_cmd_ds_802_11_hs_cfg_enh *hs_cfg = &cmd->params.opt_hs_cfg; - u16 hs_activate = false; + bool hs_activate = false; if (!hscfg_param) /* New Activate command */ diff --git a/drivers/net/wireless/mwifiex/sta_cmdresp.c b/drivers/net/wireless/mwifiex/sta_cmdresp.c index 58a6013712d2..2675ca7f8d14 100644 --- a/drivers/net/wireless/mwifiex/sta_cmdresp.c +++ b/drivers/net/wireless/mwifiex/sta_cmdresp.c @@ -274,17 +274,20 @@ static int mwifiex_ret_tx_rate_cfg(struct mwifiex_private *priv, struct host_cmd_ds_tx_rate_cfg *rate_cfg = &resp->params.tx_rate_cfg; struct mwifiex_rate_scope *rate_scope; struct mwifiex_ie_types_header *head; - u16 tlv, tlv_buf_len; + u16 tlv, tlv_buf_len, tlv_buf_left; u8 *tlv_buf; u32 i; - tlv_buf = ((u8 *)rate_cfg) + - sizeof(struct host_cmd_ds_tx_rate_cfg); - tlv_buf_len = le16_to_cpu(*(__le16 *) (tlv_buf + sizeof(u16))); + tlv_buf = ((u8 *)rate_cfg) + sizeof(struct host_cmd_ds_tx_rate_cfg); + tlv_buf_left = le16_to_cpu(resp->size) - S_DS_GEN - sizeof(*rate_cfg); - while (tlv_buf && tlv_buf_len > 0) { - tlv = (*tlv_buf); - tlv = tlv | (*(tlv_buf + 1) << 8); + while (tlv_buf_left >= sizeof(*head)) { + head = (struct mwifiex_ie_types_header *)tlv_buf; + tlv = le16_to_cpu(head->type); + tlv_buf_len = le16_to_cpu(head->len); + + if (tlv_buf_left < (sizeof(*head) + tlv_buf_len)) + break; switch (tlv) { case TLV_TYPE_RATE_SCOPE: @@ -304,9 +307,8 @@ static int mwifiex_ret_tx_rate_cfg(struct mwifiex_private *priv, /* Add RATE_DROP tlv here */ } - head = (struct mwifiex_ie_types_header *) tlv_buf; - tlv_buf += le16_to_cpu(head->len) + sizeof(*head); - tlv_buf_len -= le16_to_cpu(head->len); + tlv_buf += (sizeof(*head) + tlv_buf_len); + tlv_buf_left -= (sizeof(*head) + tlv_buf_len); } priv->is_data_rate_auto = mwifiex_is_rate_auto(priv); @@ -340,13 +342,17 @@ static int mwifiex_get_power_level(struct mwifiex_private *priv, void *data_buf) ((u8 *) data_buf + sizeof(struct host_cmd_ds_txpwr_cfg)); pg = (struct mwifiex_power_group *) ((u8 *) pg_tlv_hdr + sizeof(struct mwifiex_types_power_group)); - length = pg_tlv_hdr->length; - if (length > 0) { - max_power = pg->power_max; - min_power = pg->power_min; - length -= sizeof(struct mwifiex_power_group); - } - while (length) { + length = le16_to_cpu(pg_tlv_hdr->length); + + /* At least one structure required to update power */ + if (length < sizeof(struct mwifiex_power_group)) + return 0; + + max_power = pg->power_max; + min_power = pg->power_min; + length -= sizeof(struct mwifiex_power_group); + + while (length >= sizeof(struct mwifiex_power_group)) { pg++; if (max_power < pg->power_max) max_power = pg->power_max; @@ -356,10 +362,8 @@ static int mwifiex_get_power_level(struct mwifiex_private *priv, void *data_buf) length -= sizeof(struct mwifiex_power_group); } - if (pg_tlv_hdr->length > 0) { - priv->min_tx_power_level = (u8) min_power; - priv->max_tx_power_level = (u8) max_power; - } + priv->min_tx_power_level = (u8) min_power; + priv->max_tx_power_level = (u8) max_power; return 0; } diff --git a/drivers/net/wireless/mwifiex/sta_ioctl.c b/drivers/net/wireless/mwifiex/sta_ioctl.c index f084412eee0b..a09398fe9e2a 100644 --- a/drivers/net/wireless/mwifiex/sta_ioctl.c +++ b/drivers/net/wireless/mwifiex/sta_ioctl.c @@ -319,8 +319,8 @@ int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss, if (bss_desc && bss_desc->ssid.ssid_len && (!mwifiex_ssid_cmp(&priv->curr_bss_params.bss_descriptor. ssid, &bss_desc->ssid))) { - kfree(bss_desc); - return 0; + ret = 0; + goto done; } /* Exit Adhoc mode first */ @@ -638,8 +638,9 @@ int mwifiex_set_tx_power(struct mwifiex_private *priv, txp_cfg->mode = cpu_to_le32(1); pg_tlv = (struct mwifiex_types_power_group *) (buf + sizeof(struct host_cmd_ds_txpwr_cfg)); - pg_tlv->type = TLV_TYPE_POWER_GROUP; - pg_tlv->length = 4 * sizeof(struct mwifiex_power_group); + pg_tlv->type = cpu_to_le16(TLV_TYPE_POWER_GROUP); + pg_tlv->length = + cpu_to_le16(4 * sizeof(struct mwifiex_power_group)); pg = (struct mwifiex_power_group *) (buf + sizeof(struct host_cmd_ds_txpwr_cfg) + sizeof(struct mwifiex_types_power_group)); diff --git a/drivers/net/wireless/mwifiex/uap_txrx.c b/drivers/net/wireless/mwifiex/uap_txrx.c index 1cfe5a738c47..92f76d655e6c 100644 --- a/drivers/net/wireless/mwifiex/uap_txrx.c +++ b/drivers/net/wireless/mwifiex/uap_txrx.c @@ -97,6 +97,7 @@ static void mwifiex_uap_queue_bridged_pkt(struct mwifiex_private *priv, struct mwifiex_txinfo *tx_info; int hdr_chop; struct timeval tv; + struct ethhdr *p_ethhdr; u8 rfc1042_eth_hdr[ETH_ALEN] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 }; uap_rx_pd = (struct uap_rxpd *)(skb->data); @@ -112,14 +113,36 @@ static void mwifiex_uap_queue_bridged_pkt(struct mwifiex_private *priv, } if (!memcmp(&rx_pkt_hdr->rfc1042_hdr, - rfc1042_eth_hdr, sizeof(rfc1042_eth_hdr))) + rfc1042_eth_hdr, sizeof(rfc1042_eth_hdr))) { + /* Replace the 803 header and rfc1042 header (llc/snap) with + * an Ethernet II header, keep the src/dst and snap_type + * (ethertype). + * + * The firmware only passes up SNAP frames converting all RX + * data from 802.11 to 802.2/LLC/SNAP frames. + * + * To create the Ethernet II, just move the src, dst address + * right before the snap_type. + */ + p_ethhdr = (struct ethhdr *) + ((u8 *)(&rx_pkt_hdr->eth803_hdr) + + sizeof(rx_pkt_hdr->eth803_hdr) + + sizeof(rx_pkt_hdr->rfc1042_hdr) + - sizeof(rx_pkt_hdr->eth803_hdr.h_dest) + - sizeof(rx_pkt_hdr->eth803_hdr.h_source) + - sizeof(rx_pkt_hdr->rfc1042_hdr.snap_type)); + memcpy(p_ethhdr->h_source, rx_pkt_hdr->eth803_hdr.h_source, + sizeof(p_ethhdr->h_source)); + memcpy(p_ethhdr->h_dest, rx_pkt_hdr->eth803_hdr.h_dest, + sizeof(p_ethhdr->h_dest)); /* Chop off the rxpd + the excess memory from * 802.2/llc/snap header that was removed. */ - hdr_chop = (u8 *)eth_hdr - (u8 *)uap_rx_pd; - else + hdr_chop = (u8 *)p_ethhdr - (u8 *)uap_rx_pd; + } else { /* Chop off the rxpd */ hdr_chop = (u8 *)&rx_pkt_hdr->eth803_hdr - (u8 *)uap_rx_pd; + } /* Chop off the leading header bytes so the it points * to the start of either the reconstructed EthII frame diff --git a/drivers/net/wireless/mwifiex/usb.c b/drivers/net/wireless/mwifiex/usb.c index 1c70b8d09227..edf5b7a24900 100644 --- a/drivers/net/wireless/mwifiex/usb.c +++ b/drivers/net/wireless/mwifiex/usb.c @@ -350,7 +350,6 @@ static int mwifiex_usb_probe(struct usb_interface *intf, card->udev = udev; card->intf = intf; - usb_card = card; pr_debug("info: bcdUSB=%#x Device Class=%#x SubClass=%#x Protocol=%#x\n", udev->descriptor.bcdUSB, udev->descriptor.bDeviceClass, @@ -525,25 +524,28 @@ static int mwifiex_usb_resume(struct usb_interface *intf) static void mwifiex_usb_disconnect(struct usb_interface *intf) { struct usb_card_rec *card = usb_get_intfdata(intf); - struct mwifiex_adapter *adapter; - if (!card || !card->adapter) { - pr_err("%s: card or card->adapter is NULL\n", __func__); + if (!card) { + pr_err("%s: card is NULL\n", __func__); return; } - adapter = card->adapter; - if (!adapter->priv_num) - return; - mwifiex_usb_free(card); - dev_dbg(adapter->dev, "%s: removing card\n", __func__); - mwifiex_remove_card(adapter, &add_remove_card_sem); + if (card->adapter) { + struct mwifiex_adapter *adapter = card->adapter; + + if (!adapter->priv_num) + return; + + dev_dbg(adapter->dev, "%s: removing card\n", __func__); + mwifiex_remove_card(adapter, &add_remove_card_sem); + } usb_set_intfdata(intf, NULL); usb_put_dev(interface_to_usbdev(intf)); kfree(card); + usb_card = NULL; return; } @@ -754,6 +756,7 @@ static int mwifiex_register_dev(struct mwifiex_adapter *adapter) card->adapter = adapter; adapter->dev = &card->udev->dev; strcpy(adapter->fw_name, USB8797_DEFAULT_FW_NAME); + usb_card = card; return 0; } @@ -762,7 +765,7 @@ static void mwifiex_unregister_dev(struct mwifiex_adapter *adapter) { struct usb_card_rec *card = (struct usb_card_rec *)adapter->card; - usb_set_intfdata(card->intf, NULL); + card->adapter = NULL; } static int mwifiex_prog_fw_w_helper(struct mwifiex_adapter *adapter, @@ -1004,7 +1007,7 @@ static void mwifiex_usb_cleanup_module(void) if (!down_interruptible(&add_remove_card_sem)) up(&add_remove_card_sem); - if (usb_card) { + if (usb_card && usb_card->adapter) { struct mwifiex_adapter *adapter = usb_card->adapter; int i; diff --git a/drivers/net/wireless/mwifiex/wmm.c b/drivers/net/wireless/mwifiex/wmm.c index 95fa3599b407..13eaeed03898 100644 --- a/drivers/net/wireless/mwifiex/wmm.c +++ b/drivers/net/wireless/mwifiex/wmm.c @@ -708,7 +708,7 @@ int mwifiex_ret_wmm_get_status(struct mwifiex_private *priv, { u8 *curr = (u8 *) &resp->params.get_wmm_status; uint16_t resp_len = le16_to_cpu(resp->size), tlv_len; - int valid = true; + bool valid = true; struct mwifiex_ie_types_data *tlv_hdr; struct mwifiex_ie_types_wmm_queue_status *tlv_wmm_qstatus; @@ -722,6 +722,9 @@ int mwifiex_ret_wmm_get_status(struct mwifiex_private *priv, tlv_hdr = (struct mwifiex_ie_types_data *) curr; tlv_len = le16_to_cpu(tlv_hdr->header.len); + if (resp_len < tlv_len + sizeof(tlv_hdr->header)) + break; + switch (le16_to_cpu(tlv_hdr->header.type)) { case TLV_TYPE_WMMQSTATUS: tlv_wmm_qstatus = diff --git a/drivers/net/wireless/mwifiex/wmm.h b/drivers/net/wireless/mwifiex/wmm.h index 644d6e0c51cc..0f129d498fb1 100644 --- a/drivers/net/wireless/mwifiex/wmm.h +++ b/drivers/net/wireless/mwifiex/wmm.h @@ -83,11 +83,10 @@ mwifiex_wmm_is_ra_list_empty(struct list_head *ra_list_hhead) } void mwifiex_wmm_add_buf_txqueue(struct mwifiex_private *priv, - struct sk_buff *skb); + struct sk_buff *skb); void mwifiex_ralist_add(struct mwifiex_private *priv, u8 *ra); void mwifiex_rotate_priolists(struct mwifiex_private *priv, - struct mwifiex_ra_list_tbl *ra, - int tid); + struct mwifiex_ra_list_tbl *ra, int tid); int mwifiex_wmm_lists_empty(struct mwifiex_adapter *adapter); void mwifiex_wmm_process_tx(struct mwifiex_adapter *adapter); @@ -95,21 +94,18 @@ int mwifiex_is_ralist_valid(struct mwifiex_private *priv, struct mwifiex_ra_list_tbl *ra_list, int tid); u8 mwifiex_wmm_compute_drv_pkt_delay(struct mwifiex_private *priv, - const struct sk_buff *skb); + const struct sk_buff *skb); void mwifiex_wmm_init(struct mwifiex_adapter *adapter); -extern u32 mwifiex_wmm_process_association_req(struct mwifiex_private *priv, - u8 **assoc_buf, - struct ieee_types_wmm_parameter - *wmmie, - struct ieee80211_ht_cap - *htcap); +u32 mwifiex_wmm_process_association_req(struct mwifiex_private *priv, + u8 **assoc_buf, + struct ieee_types_wmm_parameter *wmmie, + struct ieee80211_ht_cap *htcap); void mwifiex_wmm_setup_queue_priorities(struct mwifiex_private *priv, - struct ieee_types_wmm_parameter - *wmm_ie); + struct ieee_types_wmm_parameter *wmm_ie); void mwifiex_wmm_setup_ac_downgrade(struct mwifiex_private *priv); -extern int mwifiex_ret_wmm_get_status(struct mwifiex_private *priv, - const struct host_cmd_ds_command *resp); +int mwifiex_ret_wmm_get_status(struct mwifiex_private *priv, + const struct host_cmd_ds_command *resp); #endif /* !_MWIFIEX_WMM_H_ */ |