diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath9k')
-rw-r--r-- | drivers/net/wireless/ath/ath9k/Makefile | 5 | ||||
-rw-r--r-- | drivers/net/wireless/ath/ath9k/ar9003_mci.c | 3 | ||||
-rw-r--r-- | drivers/net/wireless/ath/ath9k/ath9k.h | 1 | ||||
-rw-r--r-- | drivers/net/wireless/ath/ath9k/hif_usb.c | 46 | ||||
-rw-r--r-- | drivers/net/wireless/ath/ath9k/htc.h | 14 | ||||
-rw-r--r-- | drivers/net/wireless/ath/ath9k/htc_drv_main.c | 1 | ||||
-rw-r--r-- | drivers/net/wireless/ath/ath9k/mci.c | 8 | ||||
-rw-r--r-- | drivers/net/wireless/ath/ath9k/tx99.c | 2 | ||||
-rw-r--r-- | drivers/net/wireless/ath/ath9k/xmit.c | 2 |
9 files changed, 46 insertions, 36 deletions
diff --git a/drivers/net/wireless/ath/ath9k/Makefile b/drivers/net/wireless/ath/ath9k/Makefile index 9bdfcee2f448..eff94bcd1f0a 100644 --- a/drivers/net/wireless/ath/ath9k/Makefile +++ b/drivers/net/wireless/ath/ath9k/Makefile @@ -45,11 +45,6 @@ ath9k_hw-y:= \ ar9003_eeprom.o \ ar9003_paprd.o -# FIXME: temporarily silence -Warray-bounds on non W=1+ builds -ifndef KBUILD_EXTRA_WARN -CFLAGS_mac.o += -Wno-array-bounds -endif - ath9k_hw-$(CONFIG_ATH9K_WOW) += ar9003_wow.o ath9k_hw-$(CONFIG_ATH9K_BTCOEX_SUPPORT) += btcoex.o \ diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mci.c b/drivers/net/wireless/ath/ath9k/ar9003_mci.c index 9899661f9a60..8d7efd80d97a 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_mci.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_mci.c @@ -585,7 +585,7 @@ static u32 ar9003_mci_wait_for_gpm(struct ath_hw *ah, u8 gpm_type, { struct ath_common *common = ath9k_hw_common(ah); struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci; - u32 *p_gpm = NULL, mismatch = 0, more_data; + u32 *p_gpm = NULL, more_data; u32 offset; u8 recv_type = 0, recv_opcode = 0; bool b_is_bt_cal_done = (gpm_type == MCI_GPM_BT_CAL_DONE); @@ -656,7 +656,6 @@ static u32 ar9003_mci_wait_for_gpm(struct ath_hw *ah, u8 gpm_type, } else { ath_dbg(common, MCI, "MCI GPM subtype not match 0x%x\n", *(p_gpm + 1)); - mismatch++; ar9003_mci_process_gpm_extra(ah, recv_type, recv_opcode, p_gpm); } diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h index 3ccf8cfc6b63..2cc23605c9fc 100644 --- a/drivers/net/wireless/ath/ath9k/ath9k.h +++ b/drivers/net/wireless/ath/ath9k/ath9k.h @@ -20,6 +20,7 @@ #include <linux/etherdevice.h> #include <linux/device.h> #include <linux/interrupt.h> +#include <linux/kstrtox.h> #include <linux/leds.h> #include <linux/completion.h> #include <linux/time.h> diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.c b/drivers/net/wireless/ath/ath9k/hif_usb.c index 4d9002a9d082..1a2e0c7eeb02 100644 --- a/drivers/net/wireless/ath/ath9k/hif_usb.c +++ b/drivers/net/wireless/ath/ath9k/hif_usb.c @@ -708,14 +708,13 @@ static void ath9k_hif_usb_reg_in_cb(struct urb *urb) struct rx_buf *rx_buf = (struct rx_buf *)urb->context; struct hif_device_usb *hif_dev = rx_buf->hif_dev; struct sk_buff *skb = rx_buf->skb; - struct sk_buff *nskb; int ret; if (!skb) return; if (!hif_dev) - goto free; + goto free_skb; switch (urb->status) { case 0: @@ -724,7 +723,7 @@ static void ath9k_hif_usb_reg_in_cb(struct urb *urb) case -ECONNRESET: case -ENODEV: case -ESHUTDOWN: - goto free; + goto free_skb; default: skb_reset_tail_pointer(skb); skb_trim(skb, 0); @@ -735,25 +734,27 @@ static void ath9k_hif_usb_reg_in_cb(struct urb *urb) if (likely(urb->actual_length != 0)) { skb_put(skb, urb->actual_length); - /* Process the command first */ + /* + * Process the command first. + * skb is either freed here or passed to be + * managed to another callback function. + */ ath9k_htc_rx_msg(hif_dev->htc_handle, skb, skb->len, USB_REG_IN_PIPE); - - nskb = alloc_skb(MAX_REG_IN_BUF_SIZE, GFP_ATOMIC); - if (!nskb) { + skb = alloc_skb(MAX_REG_IN_BUF_SIZE, GFP_ATOMIC); + if (!skb) { dev_err(&hif_dev->udev->dev, "ath9k_htc: REG_IN memory allocation failure\n"); - urb->context = NULL; - return; + goto free_rx_buf; } - rx_buf->skb = nskb; + rx_buf->skb = skb; usb_fill_int_urb(urb, hif_dev->udev, usb_rcvintpipe(hif_dev->udev, USB_REG_IN_PIPE), - nskb->data, MAX_REG_IN_BUF_SIZE, + skb->data, MAX_REG_IN_BUF_SIZE, ath9k_hif_usb_reg_in_cb, rx_buf, 1); } @@ -762,12 +763,13 @@ resubmit: ret = usb_submit_urb(urb, GFP_ATOMIC); if (ret) { usb_unanchor_urb(urb); - goto free; + goto free_skb; } return; -free: +free_skb: kfree_skb(skb); +free_rx_buf: kfree(rx_buf); urb->context = NULL; } @@ -780,14 +782,10 @@ static void ath9k_hif_usb_dealloc_tx_urbs(struct hif_device_usb *hif_dev) spin_lock_irqsave(&hif_dev->tx.tx_lock, flags); list_for_each_entry_safe(tx_buf, tx_buf_tmp, &hif_dev->tx.tx_buf, list) { - usb_get_urb(tx_buf->urb); - spin_unlock_irqrestore(&hif_dev->tx.tx_lock, flags); - usb_kill_urb(tx_buf->urb); list_del(&tx_buf->list); usb_free_urb(tx_buf->urb); kfree(tx_buf->buf); kfree(tx_buf); - spin_lock_irqsave(&hif_dev->tx.tx_lock, flags); } spin_unlock_irqrestore(&hif_dev->tx.tx_lock, flags); @@ -1329,10 +1327,24 @@ static int send_eject_command(struct usb_interface *interface) static int ath9k_hif_usb_probe(struct usb_interface *interface, const struct usb_device_id *id) { + struct usb_endpoint_descriptor *bulk_in, *bulk_out, *int_in, *int_out; struct usb_device *udev = interface_to_usbdev(interface); + struct usb_host_interface *alt; struct hif_device_usb *hif_dev; int ret = 0; + /* Verify the expected endpoints are present */ + alt = interface->cur_altsetting; + if (usb_find_common_endpoints(alt, &bulk_in, &bulk_out, &int_in, &int_out) < 0 || + usb_endpoint_num(bulk_in) != USB_WLAN_RX_PIPE || + usb_endpoint_num(bulk_out) != USB_WLAN_TX_PIPE || + usb_endpoint_num(int_in) != USB_REG_IN_PIPE || + usb_endpoint_num(int_out) != USB_REG_OUT_PIPE) { + dev_err(&udev->dev, + "ath9k_htc: Device endpoint numbers are not the expected ones\n"); + return -ENODEV; + } + if (id->driver_info == STORAGE_DEVICE) return send_eject_command(interface); diff --git a/drivers/net/wireless/ath/ath9k/htc.h b/drivers/net/wireless/ath/ath9k/htc.h index 30f0765fb9fd..237f4ec2cffd 100644 --- a/drivers/net/wireless/ath/ath9k/htc.h +++ b/drivers/net/wireless/ath/ath9k/htc.h @@ -327,9 +327,9 @@ static inline struct ath9k_htc_tx_ctl *HTC_SKB_CB(struct sk_buff *skb) } #ifdef CONFIG_ATH9K_HTC_DEBUGFS -#define __STAT_SAFE(hif_dev, expr) ((hif_dev)->htc_handle->drv_priv ? (expr) : 0) -#define CAB_STAT_INC(priv) ((priv)->debug.tx_stats.cab_queued++) -#define TX_QSTAT_INC(priv, q) ((priv)->debug.tx_stats.queue_stats[q]++) +#define __STAT_SAFE(hif_dev, expr) do { ((hif_dev)->htc_handle->drv_priv ? (expr) : 0); } while (0) +#define CAB_STAT_INC(priv) do { ((priv)->debug.tx_stats.cab_queued++); } while (0) +#define TX_QSTAT_INC(priv, q) do { ((priv)->debug.tx_stats.queue_stats[q]++); } while (0) #define TX_STAT_INC(hif_dev, c) \ __STAT_SAFE((hif_dev), (hif_dev)->htc_handle->drv_priv->debug.tx_stats.c++) @@ -378,10 +378,10 @@ void ath9k_htc_get_et_stats(struct ieee80211_hw *hw, struct ethtool_stats *stats, u64 *data); #else -#define TX_STAT_INC(hif_dev, c) -#define TX_STAT_ADD(hif_dev, c, a) -#define RX_STAT_INC(hif_dev, c) -#define RX_STAT_ADD(hif_dev, c, a) +#define TX_STAT_INC(hif_dev, c) do { } while (0) +#define TX_STAT_ADD(hif_dev, c, a) do { } while (0) +#define RX_STAT_INC(hif_dev, c) do { } while (0) +#define RX_STAT_ADD(hif_dev, c, a) do { } while (0) #define CAB_STAT_INC(priv) #define TX_QSTAT_INC(priv, c) diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c index 61875c45366b..51766de5ec3b 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c @@ -1870,6 +1870,7 @@ static void ath9k_htc_channel_switch_beacon(struct ieee80211_hw *hw, struct ieee80211_ops ath9k_htc_ops = { .tx = ath9k_htc_tx, + .wake_tx_queue = ieee80211_handle_wake_tx_queue, .start = ath9k_htc_start, .stop = ath9k_htc_stop, .add_interface = ath9k_htc_add_interface, diff --git a/drivers/net/wireless/ath/ath9k/mci.c b/drivers/net/wireless/ath/ath9k/mci.c index 039bf0c35fbe..3363fc4e8966 100644 --- a/drivers/net/wireless/ath/ath9k/mci.c +++ b/drivers/net/wireless/ath/ath9k/mci.c @@ -266,7 +266,9 @@ static void ath_mci_set_concur_txprio(struct ath_softc *sc) stomp_txprio[ATH_BTCOEX_STOMP_NONE] = ATH_MCI_INQUIRY_PRIO; } else { - u8 prof_prio[] = { 50, 90, 94, 52 };/* RFCOMM, A2DP, HID, PAN */ + static const u8 prof_prio[] = { + 50, 90, 94, 52 + }; /* RFCOMM, A2DP, HID, PAN */ stomp_txprio[ATH_BTCOEX_STOMP_LOW] = stomp_txprio[ATH_BTCOEX_STOMP_NONE] = 0xff; @@ -644,7 +646,9 @@ void ath9k_mci_update_wlan_channels(struct ath_softc *sc, bool allow_all) struct ath_hw *ah = sc->sc_ah; struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci; struct ath9k_channel *chan = ah->curchan; - u32 channelmap[] = {0x00000000, 0xffff0000, 0xffffffff, 0x7fffffff}; + static const u32 channelmap[] = { + 0x00000000, 0xffff0000, 0xffffffff, 0x7fffffff + }; int i; s16 chan_start, chan_end; u16 wlan_chan; diff --git a/drivers/net/wireless/ath/ath9k/tx99.c b/drivers/net/wireless/ath/ath9k/tx99.c index 95544ce05acf..8a996ed9a3be 100644 --- a/drivers/net/wireless/ath/ath9k/tx99.c +++ b/drivers/net/wireless/ath/ath9k/tx99.c @@ -189,7 +189,7 @@ static ssize_t write_file_tx99(struct file *file, const char __user *user_buf, buf[len] = '\0'; - if (strtobool(buf, &start)) + if (kstrtobool(buf, &start)) return -EINVAL; mutex_lock(&sc->mutex); diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index ba271a10d4ab..39abb59d8771 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -1678,7 +1678,6 @@ void ath9k_release_buffered_frames(struct ieee80211_hw *hw, struct ieee80211_tx_info *info; struct list_head bf_q; struct ath_buf *bf_tail = NULL, *bf = NULL; - int sent = 0; int i, ret; INIT_LIST_HEAD(&bf_q); @@ -1707,7 +1706,6 @@ void ath9k_release_buffered_frames(struct ieee80211_hw *hw, bf_tail = bf; nframes--; - sent++; TX_STAT_INC(sc, txq->axq_qnum, a_queued_hw); if (an->sta && skb_queue_empty(&tid->retry_q)) |