From 884dd24499df823f5c167223c7ae93bd764e2e4f Mon Sep 17 00:00:00 2001 From: Joe Perches Date: Wed, 4 Jan 2012 19:40:39 -0800 Subject: rtlwifi: Neaten RT_ASSERT, RT_TRACE, RTPRINT, RT_PRINT_DATA macros Make the macros a bit more readable. Use do {...} while (0) without terminating semicolons. Add missing terminating semicolon to a few uses. Signed-off-by: Joe Perches Acked-by: Larry Finger Signed-off-by: John W. Linville --- drivers/net/wireless/rtlwifi/usb.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers/net/wireless/rtlwifi/usb.c') diff --git a/drivers/net/wireless/rtlwifi/usb.c b/drivers/net/wireless/rtlwifi/usb.c index e956fa71d040..1b8e68e70f8a 100644 --- a/drivers/net/wireless/rtlwifi/usb.c +++ b/drivers/net/wireless/rtlwifi/usb.c @@ -414,7 +414,7 @@ static struct sk_buff *_rtl_prep_rx_urb(struct ieee80211_hw *hw, gfp_mask); if (!skb) { RT_TRACE(rtlpriv, COMP_USB, DBG_EMERG, - ("Failed to __dev_alloc_skb!!\n")) + ("Failed to __dev_alloc_skb!!\n")); return ERR_PTR(-ENOMEM); } @@ -632,14 +632,14 @@ static int _rtl_usb_receive(struct ieee80211_hw *hw) urb = usb_alloc_urb(0, GFP_KERNEL); if (!urb) { RT_TRACE(rtlpriv, COMP_USB, DBG_EMERG, - ("Failed to alloc URB!!\n")) + ("Failed to alloc URB!!\n")); goto err_out; } skb = _rtl_prep_rx_urb(hw, rtlusb, urb, GFP_KERNEL); if (IS_ERR(skb)) { RT_TRACE(rtlpriv, COMP_USB, DBG_EMERG, - ("Failed to prep_rx_urb!!\n")) + ("Failed to prep_rx_urb!!\n")); err = PTR_ERR(skb); goto err_out; } -- cgit From f30d7507a8116e2099a9135c873411db8c0a3dc6 Mon Sep 17 00:00:00 2001 From: Joe Perches Date: Wed, 4 Jan 2012 19:40:41 -0800 Subject: rtlwifi: Convert RT_TRACE macro to use ##__VA_ARGS__ Consolidate printks to avoid possible message interleaving and reduce the object size. Remove unnecessary RT_TRACE parentheses. Miscellaneous typo and grammar fixes. Add missing newlines to formats. Remove duplicate KERN_DEBUG prefixes. Coalesce formats. Align arguments. $ size drivers/net/wireless/rtlwifi/built-in.o* text data bss dec hex filename 594841 55333 129680 779854 be64e drivers/net/wireless/rtlwifi/built-in.o.new 607022 55333 138720 801075 c3933 drivers/net/wireless/rtlwifi/built-in.o.old Signed-off-by: Joe Perches Acked-by: Larry Finger Signed-off-by: John W. Linville --- drivers/net/wireless/rtlwifi/usb.c | 37 ++++++++++++++++++------------------- 1 file changed, 18 insertions(+), 19 deletions(-) (limited to 'drivers/net/wireless/rtlwifi/usb.c') diff --git a/drivers/net/wireless/rtlwifi/usb.c b/drivers/net/wireless/rtlwifi/usb.c index 1b8e68e70f8a..d670e6886c1f 100644 --- a/drivers/net/wireless/rtlwifi/usb.c +++ b/drivers/net/wireless/rtlwifi/usb.c @@ -276,14 +276,14 @@ static int _rtl_usb_init_tx(struct ieee80211_hw *hw) ? USB_HIGH_SPEED_BULK_SIZE : USB_FULL_SPEED_BULK_SIZE; - RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, ("USB Max Bulk-out Size=%d\n", - rtlusb->max_bulk_out_size)); + RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "USB Max Bulk-out Size=%d\n", + rtlusb->max_bulk_out_size); for (i = 0; i < __RTL_TXQ_NUM; i++) { u32 ep_num = rtlusb->ep_map.ep_mapping[i]; if (!ep_num) { RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, - ("Invalid endpoint map setting!\n")); + "Invalid endpoint map setting!\n"); return -EINVAL; } } @@ -345,9 +345,9 @@ static int _rtl_usb_init(struct ieee80211_hw *hw) rtlusb->out_ep_nums++; RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, - ("USB EP(0x%02x), MaxPacketSize=%d ,Interval=%d.\n", + "USB EP(0x%02x), MaxPacketSize=%d, Interval=%d\n", pep_desc->bEndpointAddress, pep_desc->wMaxPacketSize, - pep_desc->bInterval)); + pep_desc->bInterval); } if (rtlusb->in_ep_nums < rtlpriv->cfg->usb_interface_cfg->in_ep_num) return -EINVAL ; @@ -414,7 +414,7 @@ static struct sk_buff *_rtl_prep_rx_urb(struct ieee80211_hw *hw, gfp_mask); if (!skb) { RT_TRACE(rtlpriv, COMP_USB, DBG_EMERG, - ("Failed to __dev_alloc_skb!!\n")); + "Failed to __dev_alloc_skb!!\n"); return ERR_PTR(-ENOMEM); } @@ -575,7 +575,7 @@ static void _rtl_rx_completed(struct urb *_urb) if (IS_ERR(_skb)) { err = PTR_ERR(_skb); RT_TRACE(rtlpriv, COMP_USB, DBG_EMERG, - ("Can't allocate skb for bulk IN!\n")); + "Can't allocate skb for bulk IN!\n"); return; } skb = _skb; @@ -632,14 +632,14 @@ static int _rtl_usb_receive(struct ieee80211_hw *hw) urb = usb_alloc_urb(0, GFP_KERNEL); if (!urb) { RT_TRACE(rtlpriv, COMP_USB, DBG_EMERG, - ("Failed to alloc URB!!\n")); + "Failed to alloc URB!!\n"); goto err_out; } skb = _rtl_prep_rx_urb(hw, rtlusb, urb, GFP_KERNEL); if (IS_ERR(skb)) { RT_TRACE(rtlpriv, COMP_USB, DBG_EMERG, - ("Failed to prep_rx_urb!!\n")); + "Failed to prep_rx_urb!!\n"); err = PTR_ERR(skb); goto err_out; } @@ -745,7 +745,7 @@ static void _rtl_submit_tx_urb(struct ieee80211_hw *hw, struct urb *_urb) struct sk_buff *skb; RT_TRACE(rtlpriv, COMP_USB, DBG_EMERG, - ("Failed to submit urb.\n")); + "Failed to submit urb\n"); usb_unanchor_urb(_urb); skb = (struct sk_buff *)_urb->context; kfree_skb(skb); @@ -768,7 +768,7 @@ static int _usb_tx_post(struct ieee80211_hw *hw, struct urb *urb, if (urb->status) { RT_TRACE(rtlpriv, COMP_USB, DBG_EMERG, - ("Urb has error status 0x%X\n", urb->status)); + "Urb has error status 0x%X\n", urb->status); goto out; } /* TODO: statistics */ @@ -805,7 +805,7 @@ static struct urb *_rtl_usb_tx_urb_setup(struct ieee80211_hw *hw, _urb = usb_alloc_urb(0, GFP_ATOMIC); if (!_urb) { RT_TRACE(rtlpriv, COMP_USB, DBG_EMERG, - ("Can't allocate URB for bulk out!\n")); + "Can't allocate URB for bulk out!\n"); kfree_skb(skb); return NULL; } @@ -830,7 +830,7 @@ static void _rtl_usb_transmit(struct ieee80211_hw *hw, struct sk_buff *skb, WARN_ON(NULL == rtlusb->usb_tx_aggregate_hdl); if (unlikely(IS_USB_STOP(rtlusb))) { RT_TRACE(rtlpriv, COMP_USB, DBG_EMERG, - ("USB device is stopping...\n")); + "USB device is stopping...\n"); kfree_skb(skb); return; } @@ -840,7 +840,7 @@ static void _rtl_usb_transmit(struct ieee80211_hw *hw, struct sk_buff *skb, _urb = _rtl_usb_tx_urb_setup(hw, _skb, ep_num); if (unlikely(!_urb)) { RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, - ("Can't allocate urb. Drop skb!\n")); + "Can't allocate urb. Drop skb!\n"); return; } urb_list = &rtlusb->tx_pending[ep_num]; @@ -865,7 +865,7 @@ static void _rtl_usb_tx_preprocess(struct ieee80211_hw *hw, struct sk_buff *skb, memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc)); if (ieee80211_is_auth(fc)) { - RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, ("MAC80211_LINKING\n")); + RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, "MAC80211_LINKING\n"); rtl_ips_nic_on(hw); } @@ -969,8 +969,7 @@ int __devinit rtl_usb_probe(struct usb_interface *intf, /*like read eeprom and so on */ rtlpriv->cfg->ops->read_eeprom_info(hw); if (rtlpriv->cfg->ops->init_sw_vars(hw)) { - RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, - ("Can't init_sw_vars.\n")); + RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "Can't init_sw_vars\n"); goto error_out; } rtlpriv->cfg->ops->init_sw_leds(hw); @@ -980,7 +979,7 @@ int __devinit rtl_usb_probe(struct usb_interface *intf, err = rtl_init_core(hw); if (err) { RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, - ("Can't allocate sw for mac80211.\n")); + "Can't allocate sw for mac80211\n"); goto error_out; } @@ -990,7 +989,7 @@ int __devinit rtl_usb_probe(struct usb_interface *intf, err = ieee80211_register_hw(hw); if (err) { RT_TRACE(rtlpriv, COMP_INIT, DBG_EMERG, - ("Can't register mac80211 hw.\n")); + "Can't register mac80211 hw\n"); goto error_out; } else { rtlpriv->mac80211.mac80211_registered = 1; -- cgit From 9d833ed752e91c71792dd8ebfd0f865e6a568a37 Mon Sep 17 00:00:00 2001 From: Joe Perches Date: Wed, 4 Jan 2012 19:40:43 -0800 Subject: rtlwifi: Convert RT_ASSERT macro to use ##__VA_ARGS__ Consolidate printks to avoid possible message interleaving and reduce the object size. Remove unnecessary RT_ASSERT parentheses. Align arguments. Coalesce formats. Remove unnecessary __func__ use as the macro uses it. $ size drivers/net/wireless/rtlwifi/built-in.o* text data bss dec hex filename 588901 55333 127216 771450 bc57a drivers/net/wireless/rtlwifi/built-in.o.new 590002 55333 127560 772895 bcb1f drivers/net/wireless/rtlwifi/built-in.o.old Signed-off-by: Joe Perches Acked-by: Larry Finger Signed-off-by: John W. Linville --- drivers/net/wireless/rtlwifi/usb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/net/wireless/rtlwifi/usb.c') diff --git a/drivers/net/wireless/rtlwifi/usb.c b/drivers/net/wireless/rtlwifi/usb.c index d670e6886c1f..6ae1b212ad99 100644 --- a/drivers/net/wireless/rtlwifi/usb.c +++ b/drivers/net/wireless/rtlwifi/usb.c @@ -946,7 +946,7 @@ int __devinit rtl_usb_probe(struct usb_interface *intf, hw = ieee80211_alloc_hw(sizeof(struct rtl_priv) + sizeof(struct rtl_usb_priv), &rtl_ops); if (!hw) { - RT_ASSERT(false, ("%s : ieee80211 alloc failed\n", __func__)); + RT_ASSERT(false, "ieee80211 alloc failed\n"); return -ENOMEM; } rtlpriv = hw->priv; -- cgit From 76a92be537f1c8c259e393632301446257ca3ea9 Mon Sep 17 00:00:00 2001 From: Larry Finger Date: Sat, 7 Jan 2012 20:46:40 -0600 Subject: rtlwifi: rtl8192c_common: rtl8192de: Check for allocation failures In https://bugzilla.redhat.com/show_bug.cgi?id=771656, a kernel bug was triggered due to a failed skb allocation that was not checked. This event lead to an audit of all memory allocations in the complete rtlwifi family of drivers. This patch fixes the rest. Signed-off-by: Larry Finger Cc: Stable Signed-off-by: John W. Linville --- drivers/net/wireless/rtlwifi/usb.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) (limited to 'drivers/net/wireless/rtlwifi/usb.c') diff --git a/drivers/net/wireless/rtlwifi/usb.c b/drivers/net/wireless/rtlwifi/usb.c index 6ae1b212ad99..4db06f6f9084 100644 --- a/drivers/net/wireless/rtlwifi/usb.c +++ b/drivers/net/wireless/rtlwifi/usb.c @@ -520,12 +520,14 @@ static void _rtl_usb_rx_process_noagg(struct ieee80211_hw *hw, u8 *pdata; uskb = dev_alloc_skb(skb->len + 128); - memcpy(IEEE80211_SKB_RXCB(uskb), &rx_status, - sizeof(rx_status)); - pdata = (u8 *)skb_put(uskb, skb->len); - memcpy(pdata, skb->data, skb->len); + if (uskb) { /* drop packet on allocation failure */ + memcpy(IEEE80211_SKB_RXCB(uskb), &rx_status, + sizeof(rx_status)); + pdata = (u8 *)skb_put(uskb, skb->len); + memcpy(pdata, skb->data, skb->len); + ieee80211_rx_irqsafe(hw, uskb); + } dev_kfree_skb_any(skb); - ieee80211_rx_irqsafe(hw, uskb); } else { dev_kfree_skb_any(skb); } -- cgit From a8d760668eebc98915383481cb3d9eaf74c2a615 Mon Sep 17 00:00:00 2001 From: Larry Finger Date: Sat, 7 Jan 2012 20:46:42 -0600 Subject: rtlwifi: Update copyright dates Signed-off-by: Larry Finger Signed-off-by: John W. Linville --- drivers/net/wireless/rtlwifi/usb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/net/wireless/rtlwifi/usb.c') diff --git a/drivers/net/wireless/rtlwifi/usb.c b/drivers/net/wireless/rtlwifi/usb.c index 4db06f6f9084..78194e30fcd5 100644 --- a/drivers/net/wireless/rtlwifi/usb.c +++ b/drivers/net/wireless/rtlwifi/usb.c @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2009-2011 Realtek Corporation. All rights reserved. + * Copyright(c) 2009-2012 Realtek Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as -- cgit From d273bb20c00340748e3ca9730f87524ec5abbd64 Mon Sep 17 00:00:00 2001 From: Larry Finger Date: Fri, 27 Jan 2012 13:59:25 -0600 Subject: rtlwifi: Move pr_fmt macros to a single location Although the rtlwifi family of devices contains 11 copies of the pr_fmt macro, the macro is not defined for all routines that need it. By moving the macro to wifi.h, a single copy is available for all routines. Signed-off-by: Larry Finger Signed-off-by: John W. Linville --- drivers/net/wireless/rtlwifi/usb.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) (limited to 'drivers/net/wireless/rtlwifi/usb.c') diff --git a/drivers/net/wireless/rtlwifi/usb.c b/drivers/net/wireless/rtlwifi/usb.c index 78194e30fcd5..e7a7ea96f42b 100644 --- a/drivers/net/wireless/rtlwifi/usb.c +++ b/drivers/net/wireless/rtlwifi/usb.c @@ -25,16 +25,13 @@ * *****************************************************************************/ -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -#include -#include -#include "core.h" #include "wifi.h" +#include "core.h" #include "usb.h" #include "base.h" #include "ps.h" #include "rtl8192c/fw_common.h" +#include #define REALTEK_USB_VENQT_READ 0xC0 #define REALTEK_USB_VENQT_WRITE 0x40 -- cgit From b0302aba812bcc39291cdab9ad7e37008f352a91 Mon Sep 17 00:00:00 2001 From: Larry Finger Date: Mon, 30 Jan 2012 09:54:49 -0600 Subject: rtlwifi: Convert to asynchronous firmware load This patch addresses a kernel bugzilla report and two recent mail threads. The kernel bugzilla report is https://bugzilla.kernel.org/show_bug.cgi?id=42632, which reports a udev timeout on boot. The first mail thread, which was on LKML (http://lkml.indiana.edu/hypermail/ linux/kernel/1112.3/00965.html) was for a WARNING that occurs after a suspend/resume cycle for rtl8192cu. The scond mail thread (http://marc.info/?l=linux-wireless&m=132655490826766&w=2) concerned changes in udev that break drivers that delay while firmware is loaded on modprobe. This patch converts all rtlwifi-based drivers to use the asynchronous firmware loading mechanism. Drivers rtl8192ce, rtl8192cu and rtl8192de share a common callback routine. Driver rtl8192se needs different handling of the firmware, thus it has its own code. Signed-off-by: Larry Finger Cc: Stable Signed-off-by: John W. Linville --- drivers/net/wireless/rtlwifi/usb.c | 34 ++++++++++++++-------------------- 1 file changed, 14 insertions(+), 20 deletions(-) (limited to 'drivers/net/wireless/rtlwifi/usb.c') diff --git a/drivers/net/wireless/rtlwifi/usb.c b/drivers/net/wireless/rtlwifi/usb.c index e7a7ea96f42b..ffcf89fe45e4 100644 --- a/drivers/net/wireless/rtlwifi/usb.c +++ b/drivers/net/wireless/rtlwifi/usb.c @@ -664,15 +664,17 @@ static int rtl_usb_start(struct ieee80211_hw *hw) struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw)); err = rtlpriv->cfg->ops->hw_init(hw); - rtl_init_rx_config(hw); + if (!err) { + rtl_init_rx_config(hw); - /* Enable software */ - SET_USB_START(rtlusb); - /* should after adapter start and interrupt enable. */ - set_hal_start(rtlhal); + /* Enable software */ + SET_USB_START(rtlusb); + /* should after adapter start and interrupt enable. */ + set_hal_start(rtlhal); - /* Start bulk IN */ - _rtl_usb_receive(hw); + /* Start bulk IN */ + _rtl_usb_receive(hw); + } return err; } @@ -949,6 +951,7 @@ int __devinit rtl_usb_probe(struct usb_interface *intf, return -ENOMEM; } rtlpriv = hw->priv; + init_completion(&rtlpriv->firmware_loading_complete); SET_IEEE80211_DEV(hw, &intf->dev); udev = interface_to_usbdev(intf); usb_get_dev(udev); @@ -982,24 +985,12 @@ int __devinit rtl_usb_probe(struct usb_interface *intf, goto error_out; } - /*init rfkill */ - /* rtl_init_rfkill(hw); */ - - err = ieee80211_register_hw(hw); - if (err) { - RT_TRACE(rtlpriv, COMP_INIT, DBG_EMERG, - "Can't register mac80211 hw\n"); - goto error_out; - } else { - rtlpriv->mac80211.mac80211_registered = 1; - } - set_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status); return 0; error_out: rtl_deinit_core(hw); _rtl_usb_io_handler_release(hw); - ieee80211_free_hw(hw); usb_put_dev(udev); + complete(&rtlpriv->firmware_loading_complete); return -ENODEV; } EXPORT_SYMBOL(rtl_usb_probe); @@ -1013,6 +1004,9 @@ void rtl_usb_disconnect(struct usb_interface *intf) if (unlikely(!rtlpriv)) return; + + /* just in case driver is removed before firmware callback */ + wait_for_completion(&rtlpriv->firmware_loading_complete); /*ieee80211_unregister_hw will call ops_stop */ if (rtlmac->mac80211_registered == 1) { ieee80211_unregister_hw(hw); -- cgit From 48de1a17fc41613b7e9d61037fa989256d04234f Mon Sep 17 00:00:00 2001 From: Larry Finger Date: Fri, 2 Mar 2012 13:21:22 -0600 Subject: rtlwifi: Detect misread of end-point count In the unlikely event of a misread of the USB end point count, the driver generates a divide fault. To prevent this, add a check of the value returned by _rtl_usb_init(). In addition, add some logging to indicate why the condition occurred. Signed-off-by: Larry Finger Signed-off-by: John W. Linville --- drivers/net/wireless/rtlwifi/usb.c | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) (limited to 'drivers/net/wireless/rtlwifi/usb.c') diff --git a/drivers/net/wireless/rtlwifi/usb.c b/drivers/net/wireless/rtlwifi/usb.c index ffcf89fe45e4..b0eee0eb5679 100644 --- a/drivers/net/wireless/rtlwifi/usb.c +++ b/drivers/net/wireless/rtlwifi/usb.c @@ -346,9 +346,14 @@ static int _rtl_usb_init(struct ieee80211_hw *hw) pep_desc->bEndpointAddress, pep_desc->wMaxPacketSize, pep_desc->bInterval); } - if (rtlusb->in_ep_nums < rtlpriv->cfg->usb_interface_cfg->in_ep_num) - return -EINVAL ; - + if (rtlusb->in_ep_nums < rtlpriv->cfg->usb_interface_cfg->in_ep_num) { + pr_err("Too few input end points found\n"); + return -EINVAL; + } + if (rtlusb->out_ep_nums == 0) { + pr_err("No output end points found\n"); + return -EINVAL; + } /* usb endpoint mapping */ err = rtlpriv->cfg->usb_interface_cfg->usb_endpoint_mapping(hw); rtlusb->usb_mq_to_hwq = rtlpriv->cfg->usb_interface_cfg->usb_mq_to_hwq; @@ -976,6 +981,8 @@ int __devinit rtl_usb_probe(struct usb_interface *intf, } rtlpriv->cfg->ops->init_sw_leds(hw); err = _rtl_usb_init(hw); + if (err) + goto error_out; err = _rtl_usb_init_sw(hw); /* Init mac80211 sw */ err = rtl_init_core(hw); -- cgit From 8f526ab4aa1b145bda2baf56e223050c7ef3e1b0 Mon Sep 17 00:00:00 2001 From: Larry Finger Date: Fri, 2 Mar 2012 13:22:46 -0600 Subject: rtlwifi: Remove extraneous value return In usb.c, routine _rtl_usb_init_sw() always returns 0, and rtl_usb_probe() never checks the returned value. Thus we can change _rtl_usb_init_sw() to a void routine. In addition, remove the underscore at the beginning of the name of the routine. Signed-off-by: Larry Finger Signed-off-by: John W. Linville --- drivers/net/wireless/rtlwifi/usb.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) (limited to 'drivers/net/wireless/rtlwifi/usb.c') diff --git a/drivers/net/wireless/rtlwifi/usb.c b/drivers/net/wireless/rtlwifi/usb.c index b0eee0eb5679..2e1e352864bb 100644 --- a/drivers/net/wireless/rtlwifi/usb.c +++ b/drivers/net/wireless/rtlwifi/usb.c @@ -362,7 +362,7 @@ static int _rtl_usb_init(struct ieee80211_hw *hw) return err; } -static int _rtl_usb_init_sw(struct ieee80211_hw *hw) +static void rtl_usb_init_sw(struct ieee80211_hw *hw) { struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); @@ -397,7 +397,6 @@ static int _rtl_usb_init_sw(struct ieee80211_hw *hw) /* HIMR_EX - turn all on */ rtlusb->irq_mask[1] = 0xFFFFFFFF; rtlusb->disableHWSM = true; - return 0; } #define __RADIO_TAP_SIZE_RSV 32 @@ -983,7 +982,7 @@ int __devinit rtl_usb_probe(struct usb_interface *intf, err = _rtl_usb_init(hw); if (err) goto error_out; - err = _rtl_usb_init_sw(hw); + rtl_usb_init_sw(hw); /* Init mac80211 sw */ err = rtl_init_core(hw); if (err) { -- cgit