From 9934550d7ff69b222d4c751b5712204d5511c39e Mon Sep 17 00:00:00 2001 From: Matthias Mueller Date: Sun, 2 Dec 2007 17:17:51 -0500 Subject: rtl8187: Add USB ID for Sitecom WL-168 v1 001 Thanks to Matthias Mueller for reporting this device. Signed-off-by: Michael Wu Signed-off-by: John W. Linville --- drivers/net/wireless/rtl8187_dev.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/wireless/rtl8187_dev.c b/drivers/net/wireless/rtl8187_dev.c index e454ae83e97..bd1ab3b3afc 100644 --- a/drivers/net/wireless/rtl8187_dev.c +++ b/drivers/net/wireless/rtl8187_dev.c @@ -38,6 +38,8 @@ static struct usb_device_id rtl8187_table[] __devinitdata = { {USB_DEVICE(0x0846, 0x6a00)}, /* HP */ {USB_DEVICE(0x03f0, 0xca02)}, + /* Sitecom */ + {USB_DEVICE(0x0df6, 0x000d)}, {} }; -- cgit v1.2.3 From 7d2e941b0b741d17e95baf095dbf1c77f2b95b56 Mon Sep 17 00:00:00 2001 From: Michael Wu Date: Tue, 18 Dec 2007 18:36:10 -0500 Subject: p54: add Kconfig description Some people would like to know what p54 is. Signed-off-by: Michael Wu Signed-off-by: John W. Linville --- drivers/net/wireless/Kconfig | 51 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) diff --git a/drivers/net/wireless/Kconfig b/drivers/net/wireless/Kconfig index 2b733c58291..7bdf9da5999 100644 --- a/drivers/net/wireless/Kconfig +++ b/drivers/net/wireless/Kconfig @@ -586,15 +586,66 @@ config ADM8211 config P54_COMMON tristate "Softmac Prism54 support" depends on MAC80211 && WLAN_80211 && FW_LOADER && EXPERIMENTAL + ---help--- + This is common code for isl38xx based cards. + This module does nothing by itself - the USB/PCI frontends + also need to be enabled in order to support any devices. + + These devices require softmac firmware which can be found at + http://prism54.org/ + + If you choose to build a module, it'll be called p54common. config P54_USB tristate "Prism54 USB support" depends on P54_COMMON && USB select CRC32 + ---help--- + This driver is for USB isl38xx based wireless cards. + These are USB based adapters found in devices such as: + + 3COM 3CRWE254G72 + SMC 2862W-G + Accton 802.11g WN4501 USB + Siemens Gigaset USB + Netgear WG121 + Netgear WG111 + Medion 40900, Roper Europe + Shuttle PN15, Airvast WM168g, IOGear GWU513 + Linksys WUSB54G + Linksys WUSB54G Portable + DLink DWL-G120 Spinnaker + DLink DWL-G122 + Belkin F5D7050 ver 1000 + Cohiba Proto board + SMC 2862W-G version 2 + U.S. Robotics U5 802.11g Adapter + FUJITSU E-5400 USB D1700 + Sagem XG703A + DLink DWL-G120 Cohiba + Spinnaker Proto board + Linksys WUSB54AG + Inventel UR054G + Spinnaker DUT + + These devices require softmac firmware which can be found at + http://prism54.org/ + + If you choose to build a module, it'll be called p54usb. config P54_PCI tristate "Prism54 PCI support" depends on P54_COMMON && PCI + ---help--- + This driver is for PCI isl38xx based wireless cards. + This driver supports most devices that are supported by the + fullmac prism54 driver plus many devices which are not + supported by the fullmac driver/firmware. + + This driver requires softmac firmware which can be found at + http://prism54.org/ + + If you choose to build a module, it'll be called p54pci. source "drivers/net/wireless/iwlwifi/Kconfig" source "drivers/net/wireless/hostap/Kconfig" -- cgit v1.2.3 From b24d22b1d12c436a86282347868785207cff8a88 Mon Sep 17 00:00:00 2001 From: Zhu Yi Date: Wed, 19 Dec 2007 13:59:52 +0800 Subject: iwlwifi: fix possible priv->mutex deadlock during suspend This patch moves _cancel_deferred_work out of mutex protection and removes unnecessary mutex in pci_suspend and pci_resume. Cc: Johannes Berg Signed-off-by: Zhu Yi Signed-off-by: John W. Linville --- drivers/net/wireless/iwlwifi/iwl3945-base.c | 18 +++++------------- drivers/net/wireless/iwlwifi/iwl4965-base.c | 18 +++++------------- 2 files changed, 10 insertions(+), 26 deletions(-) diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index 4bdf237f6ad..5c67b5b409e 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -6243,8 +6243,6 @@ static void __iwl_down(struct iwl_priv *priv) /* Unblock any waiting calls */ wake_up_interruptible_all(&priv->wait_command_queue); - iwl_cancel_deferred_work(priv); - /* Wipe out the EXIT_PENDING status bit if we are not actually * exiting the module */ if (!exit_pending) @@ -6319,6 +6317,8 @@ static void iwl_down(struct iwl_priv *priv) mutex_lock(&priv->mutex); __iwl_down(priv); mutex_unlock(&priv->mutex); + + iwl_cancel_deferred_work(priv); } #define MAX_HW_RESTARTS 5 @@ -8577,10 +8577,9 @@ static void iwl_pci_remove(struct pci_dev *pdev) IWL_DEBUG_INFO("*** UNLOAD DRIVER ***\n"); - mutex_lock(&priv->mutex); set_bit(STATUS_EXIT_PENDING, &priv->status); - __iwl_down(priv); - mutex_unlock(&priv->mutex); + + iwl_down(priv); /* Free MAC hash list for ADHOC */ for (i = 0; i < IWL_IBSS_MAC_HASH_SIZE; i++) { @@ -8639,12 +8638,10 @@ static int iwl_pci_suspend(struct pci_dev *pdev, pm_message_t state) { struct iwl_priv *priv = pci_get_drvdata(pdev); - mutex_lock(&priv->mutex); - set_bit(STATUS_IN_SUSPEND, &priv->status); /* Take down the device; powers it off, etc. */ - __iwl_down(priv); + iwl_down(priv); if (priv->mac80211_registered) ieee80211_stop_queues(priv->hw); @@ -8653,8 +8650,6 @@ static int iwl_pci_suspend(struct pci_dev *pdev, pm_message_t state) pci_disable_device(pdev); pci_set_power_state(pdev, PCI_D3hot); - mutex_unlock(&priv->mutex); - return 0; } @@ -8712,8 +8707,6 @@ static int iwl_pci_resume(struct pci_dev *pdev) printk(KERN_INFO "Coming out of suspend...\n"); - mutex_lock(&priv->mutex); - pci_set_power_state(pdev, PCI_D0); err = pci_enable_device(pdev); pci_restore_state(pdev); @@ -8727,7 +8720,6 @@ static int iwl_pci_resume(struct pci_dev *pdev) pci_write_config_byte(pdev, 0x41, 0x00); iwl_resume(priv); - mutex_unlock(&priv->mutex); return 0; } diff --git a/drivers/net/wireless/iwlwifi/iwl4965-base.c b/drivers/net/wireless/iwlwifi/iwl4965-base.c index 8f85564ec6f..ed148ea3dec 100644 --- a/drivers/net/wireless/iwlwifi/iwl4965-base.c +++ b/drivers/net/wireless/iwlwifi/iwl4965-base.c @@ -6598,8 +6598,6 @@ static void __iwl_down(struct iwl_priv *priv) /* Unblock any waiting calls */ wake_up_interruptible_all(&priv->wait_command_queue); - iwl_cancel_deferred_work(priv); - /* Wipe out the EXIT_PENDING status bit if we are not actually * exiting the module */ if (!exit_pending) @@ -6674,6 +6672,8 @@ static void iwl_down(struct iwl_priv *priv) mutex_lock(&priv->mutex); __iwl_down(priv); mutex_unlock(&priv->mutex); + + iwl_cancel_deferred_work(priv); } #define MAX_HW_RESTARTS 5 @@ -9171,10 +9171,9 @@ static void iwl_pci_remove(struct pci_dev *pdev) IWL_DEBUG_INFO("*** UNLOAD DRIVER ***\n"); - mutex_lock(&priv->mutex); set_bit(STATUS_EXIT_PENDING, &priv->status); - __iwl_down(priv); - mutex_unlock(&priv->mutex); + + iwl_down(priv); /* Free MAC hash list for ADHOC */ for (i = 0; i < IWL_IBSS_MAC_HASH_SIZE; i++) { @@ -9233,12 +9232,10 @@ static int iwl_pci_suspend(struct pci_dev *pdev, pm_message_t state) { struct iwl_priv *priv = pci_get_drvdata(pdev); - mutex_lock(&priv->mutex); - set_bit(STATUS_IN_SUSPEND, &priv->status); /* Take down the device; powers it off, etc. */ - __iwl_down(priv); + iwl_down(priv); if (priv->mac80211_registered) ieee80211_stop_queues(priv->hw); @@ -9247,8 +9244,6 @@ static int iwl_pci_suspend(struct pci_dev *pdev, pm_message_t state) pci_disable_device(pdev); pci_set_power_state(pdev, PCI_D3hot); - mutex_unlock(&priv->mutex); - return 0; } @@ -9306,8 +9301,6 @@ static int iwl_pci_resume(struct pci_dev *pdev) printk(KERN_INFO "Coming out of suspend...\n"); - mutex_lock(&priv->mutex); - pci_set_power_state(pdev, PCI_D0); err = pci_enable_device(pdev); pci_restore_state(pdev); @@ -9321,7 +9314,6 @@ static int iwl_pci_resume(struct pci_dev *pdev) pci_write_config_byte(pdev, 0x41, 0x00); iwl_resume(priv); - mutex_unlock(&priv->mutex); return 0; } -- cgit v1.2.3 From 412e9e7800360ec93b6ba319b30666f6bfc721bd Mon Sep 17 00:00:00 2001 From: Reinette Chatre Date: Tue, 18 Dec 2007 22:01:02 -0800 Subject: ipw2200: prevent alloc of unspecified size on stack if log_len is larger than 4K then we are killing the stack. allocate on heap instead and limit size to what practically can be used (PAGE_SIZE) Signed-off-by: Reinette Chatre Signed-off-by: John W. Linville --- drivers/net/wireless/ipw2200.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c index 54f44e5473c..38ce8ee8d6f 100644 --- a/drivers/net/wireless/ipw2200.c +++ b/drivers/net/wireless/ipw2200.c @@ -1233,9 +1233,19 @@ static ssize_t show_event_log(struct device *d, { struct ipw_priv *priv = dev_get_drvdata(d); u32 log_len = ipw_get_event_log_len(priv); - struct ipw_event log[log_len]; + u32 log_size; + struct ipw_event *log; u32 len = 0, i; + /* not using min() because of its strict type checking */ + log_size = PAGE_SIZE / sizeof(*log) > log_len ? + sizeof(*log) * log_len : PAGE_SIZE; + log = kzalloc(log_size, GFP_KERNEL); + if (!log) { + IPW_ERROR("Unable to allocate memory for log\n"); + return 0; + } + log_len = log_size / sizeof(*log); ipw_capture_event_log(priv, log_len, log); len += snprintf(buf + len, PAGE_SIZE - len, "%08X", log_len); @@ -1244,6 +1254,7 @@ static ssize_t show_event_log(struct device *d, "\n%08X%08X%08X", log[i].time, log[i].event, log[i].data); len += snprintf(buf + len, PAGE_SIZE - len, "\n"); + kfree(log); return len; } -- cgit v1.2.3