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2012-11-30brcmsmac: Fix possible NULL pointer dereference in _dma_ctrlflags()Seth Forshee
There's a debug message to warn if this function is passed a NULL pointer, but in order to print the message we have to dereference the pointer. Obviously this isn't a good idea, so remove the message. Reported-by: Fengguang Wu <fengguang.wu@intel.com> Signed-off-by: Seth Forshee <seth.forshee@canonical.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-30wireless: mwifiex: Fix typo in wireless/mwifiex driverMasanari Iida
Correct spelling typo in wireless/mwifiex driver. Signed-off-by: Masanari Iida <standby24x7@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-30rtlwifi: use SIMPLE_DEV_PM_OPSHauke Mehrtens
rtlwifi only provides pm callbacks for functions covered by pm sleep and they are also just called if CONFIG_PM_SLEEP is set. Only add functions rtl_pci_suspend and rtl_pci_resume if CONFIG_PM_SLEEP is set and use SIMPLE_DEV_PM_OPS instead of manually filling struct dev_pm_ops. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-30p54pci: use SIMPLE_DEV_PM_OPSHauke Mehrtens
p54pci does not provide any runtime pm callbacks, so support for PM_RUNTIME is not needed and we could go to PM_SLEEP. This also makes it possible to use SIMPLE_DEV_PM_OPS instead of manually filling struct dev_pm_ops. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-30ath9k: use SIMPLE_DEV_PM_OPSHauke Mehrtens
ath9k does not provide any runtime pm callbacks, so support for PM_RUNTIME is not needed and we could go to PM_SLEEP. This also makes it possible to use SIMPLE_DEV_PM_OPS instead of manually filling struct dev_pm_ops. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-30rtlwifi: rtl8192se: Fixed coding style issues in the driverDaniel Stamer
This patch fixes almost all coding issues in the rtl8192se driver. Only exception is putting trailing */ on separate lines. Signed-off-by: Daniel Stamer <daniel@stamer.info> Acked-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-30mwifiex: fix struct member mismatchJohannes Berg
Using bss->information_elements and treating bss->len_beacon_ies as its size is wrong, the real size is len_information_elements. Found while I was reviewing the use of this cfg80211 API (as it is actually potentially broken due to races.) Signed-off-by: Johannes Berg <johannes.berg@intel.com> Acked-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-30brcmfmac: change debug output for received event.Hante Meuleman
see header. Reviewed-by: Arend Van Spriel <arend@broadcom.com> Signed-off-by: Hante Meuleman <meuleman@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-30brcmfmac: fix bug in setting mgmt ie and parsing vndrs ie.Hante Meuleman
Parsing vndrs ie was not taking len of tlv itself in account. Setting mgmt ie was missing check for length indicating non configured ie and wrongly checking available length. Reviewed-by: Arend Van Spriel <arend@broadcom.com> Signed-off-by: Hante Meuleman <meuleman@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-30brcmfmac: remove mode from struct brcmf_cfg80211_confArend van Spriel
The mode should be stored and used per virtual interface. Remove the mode from device global structure and rework the code to use the mode from brcmf_cfg80211_vif. Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-30brcmfmac: get rid of struct brcmf_cfg80211_info::link_up attributeArend van Spriel
This attribute indicates successful IBSS or AP connection has been established. However, this no longer works for virtual interfaces. As it turns out this attribute is identical to the CONNECTED bit in struct brcmf_cfg80211_vif::sme_state. This patch removes the attribute and rework some functions relying on it. Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-30brcmsmac: support 4313iPAPiotr Haber
Add support for 4313 iPA variant. It is a variant of already supported 4313 ePA and needs some PHY changes to work properly. Reviewed-by: Arend Van Spriel <arend@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Signed-off-by: Piotr Haber <phaber@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-30brcmsmac: move PHY functionsPiotr Haber
Move functions in preparation for 4313iPA changes Reviewed-by: Arend Van Spriel <arend@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Signed-off-by: Piotr Haber <phaber@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-30brcmsmac: hardware info in debugfsPiotr Haber
Put basic information about hardware in debugfs. Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Reviewed-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Piotr Haber <phaber@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Acked-by: Seth Forshee <seth.forshee@canonical.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-30brcmsmac: fix bounds checking in tx/rxPiotr Haber
brcms_b_txstatus and brcms_b_recv are off by one when doing bounds checking on number of packets to process Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Reviewed-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Piotr Haber <phaber@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-30brcmsmac: cleanup in isr codePiotr Haber
brcms_c_isr returns true if interrupt was for us and if dpc should be scheduled which is the same thing. Simplify it. Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Reviewed-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Piotr Haber <phaber@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-30brcmsmac: handle packet drop during transmit correctlyPiotr Haber
The .tx() callback function can drop packets when there is no space in the DMA fifo. Propagate that information to caller and make sure the freed sk_buff reference is not accessed. Reviewed-by: Arend van Spriel <arend@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Signed-off-by: Piotr Haber <phaber@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-30brcm80211: update the MAINTAINERS fileArend van Spriel
Organizational changes need to be reflected in the MAINTAINERS file. The contact info on wireless.kernel.org has also been updated. Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-30wireless: allow Atheros card to not depend on ath.koVladimir Kondratiev
There are 2 different things: - sub-menu for "Atheros Wireless cards" family - module ath.ko with common Atheros code Until now, they both used to depend on the same Kconfig variable ATH_COMMON. Thus, being "Atheros card" and "depending on ath.ko" was the same. To allow module to belong to the "Atheros Wireless cards" family but not use ath.ko, 2 conditions above need to be separated. So, this patch introduce new Kconfig variable ATH_CARDS for belonging to the "Atheros Wireless Cards" family; while ATH_COMMON becomes hidden variable to express dependency on common Atheros code in ath.ko. Modules that depend on this common code now express it by setting ATH_COMMON. Right now, ath6kl do not depend on common code and thus do not set ATH_COMMON. Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-30ath9k: Remove redundant NULL assignmentSujith Manoharan
'bf_next' is cleared using ATH_TXBUF_RESET() in both the callsites of ath_tx_get_buffer(). Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-30ath9k: Implement sta_add_debugfs/sta_remove_debugfsSujith Manoharan
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-30ath9k: Replace WME_NUM_TID with IEEE80211_NUM_TIDSSujith Manoharan
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-30ath9k: Move ethtool functions to debug.cSujith Manoharan
The ethtool statistics are available only when CONFIG_ATH9K_DEBUGFS is enabled, move these functions to debug.c Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-30rt2x00: Use addr_mask to disallow invalid MAC addresses in mutli-bssid modeHelmut Schaa
Reported-by: Petr Stetiar <ynezz@true.cz> Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-30mwifiex: advertise GreenField, 40MHz intolerance support to cfg80211Avinash Patil
This patch adds support for advertising GreenField, 40MHz intolerance or LDPC coding support to cfg80211. Signed-off-by: Avinash Patil <patila@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-30ath9k: Fix buffer overflow errorRajkumar Manoharan
The commit "ath9k: stomp audio profiles on weak signal strength" failed to take care of new stomp type while programming concurrent tx priority. That leads to array index out of bounds access. drivers/net/wireless/ath/ath9k/btcoex.c:414 ath9k_hw_btcoex_set_concur_txprio() error: buffer overflow 'stomp_txprio' 4 <= 4 Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-30ssb: extif: fix compile errorsHauke Mehrtens
If CONFIG_SSB_EMBEDDED or CONFIG_SSB_DRIVER_MIPS is set and CONFIG_SSB_DRIVER_EXTIF is not set, it will cause compile problems because of missing functions. This patch fixes these problems. The mips driver now also uses ssb_chipco_available() instead of checking bus->chipco.dev manually. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-30bcma: handle return value of pci_assign_resourceHauke Mehrtens
This fixes the following warning: CC drivers/bcma/driver_pci_host.o drivers/bcma/driver_pci_host.c: In function 'bcma_core_pci_fixup_addresses': drivers/bcma/driver_pci_host.c:555:23: error: ignoring return value of 'pci_assign_resource', declared with attribute warn_unused_result [-Werror=unused-result] Reported-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-30mac80211: simplify loop in minstrel_htJohannes Berg
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-30cfg80211: fix BSS struct IE access racesJohannes Berg
When a BSS struct is updated, the IEs are currently overwritten or freed. This can lead to races if some other CPU is accessing the BSS struct and using the IEs concurrently. Fix this by always allocating the IEs in a new struct that holds the data and length and protecting access to this new struct with RCU. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-30mac80211: remove probe response temporary buffer allocationJohannes Berg
Instead of allocating a temporary buffer to build IEs build them right into the SKB. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-30mac80211: make ieee80211_build_preq_ies saferJohannes Berg
Instead of assuming 200 bytes are always enough for all the IEs we add, give the length of the buffer to the function and warn instead of overrunning. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-30cfg80211: fix cmp_hidden_bssJohannes Berg
The cmp_bss() comparator function uses memcmp() to compare the SSID. This means that cmp_hidden_bss() needs to similarly return a number bigger than zero (use 1) instead of -1 when ie1 is bigger than ie2, which is the case if an ie2 byte is non-zero. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-30cfg80211: fix whitespace in scan handlingJohannes Berg
Fix a number of indentation and similar issues. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-30cfg80211: don't BUG_ON BSS struct issuesJohannes Berg
There's no need to stop the machine, just leak the BSS entry if there's an issue with its hold counter when freeing. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-30mac80211: allow userspace registration for probe requests in IBSSAntonio Quartulli
This change allows userspace to register for probe request frames on an IBSS interface. Userspace then has to handle them and send replies. Signed-off-by: Antonio Quartulli <antonio@open-mesh.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-30mac80211: fix for mesh sync to indicate TBTT adjustmentMarco Porsch
Currently the mesh sync code checks, whether peers indicate TBTT adjustment, but it never sets the corresponding flag itself. By setting ifmsh->tbtt_adjusting to true, it will set the corresponding field in the mesh configuration IE of own beacons. This indication will be set in the current beacon. The TBTT adjustment will be performed afterwards, affecting the next beacon. Thus, the first beacon with stable TBTT will not indicate adjustment anymore and peers will continue tracking the new offset. Signed-off-by: Marco Porsch <marco.porsch@etit.tu-chemnitz.de> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-29nl80211: Fix HT_IBSS feature check in ibss_joinSimon Wunderlich
There is a standalone if, seems to be a regression of commit "nl80211/cfg80211: add VHT MCS support". Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-29mac80211: add debugfs file for last rx rateSaravana
Add a debugfs file showing the rate at which the last packet is received. Signed-off-by: Saravana <saravanad@posedge.com> [fix whitespace] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-29mac80211: re-organize the rx rate calculation logicSaravana
Currently the logic to fill a struct rate_info with a STA's last RX rate is accessible only in the cfg.c. As the RX rate calculation might be needed elsewhere, split this out into a separate function. Signed-off-by: Saravana <saravanad@posedge.com> [fix various whitespace issues, reword commit log] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-29mac80211: add debugfs file for current tx rateSaravana
Add a debugfs file showing the current tx rate. The information available in the rc_stats file doesn't evidently provides us the current tx rate. This patch adds the support for the same. Signed-off-by: Saravana <saravanad@posedge.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-29mac80211: add debugfs file for last ack signalSaravana
Add a debugfs file showing the signal strength of the ack frame that is received for the currently sent tx packet Signed-off-by: Saravana <saravanad@posedge.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-29cfg80211: Remove unused VHT chan codeMahesh Palivela
Cleanup of unused VHT channel config related code. Signed-off-by: Mahesh Palivela <maheshp@posedge.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-28NFC: Fix incorrect llcp pointer dereferenceWaldemar Rymarkiewicz
nfc_llcp_ns(s) dereferences the s pointer which is freed a line above. In a result, it can produce a crash or you will read incorrect value. Signed-off-by: Waldemar Rymarkiewicz <waldemar.rymarkiewicz@tieto.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-11-28mac80211: don't reinit rate control when mesh sta existsHelmut Schaa
This fixes some unintended resets of the rate control statistics when minstrel_ht is used resulting in non-optimal throughput on mesh links. Tested-by: Emanuel Taube <emanuel.taube@gmail.com> Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-28mac80211: reject setting masked mac addressesHelmut Schaa
If a driver registers an address mask we should ensure that no interface gets an address assigned that isn't covered by the registered address mask. This prevents invalid configurations from reaching the device and causing problems. Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com> [change function flow to reduce indentation, fix locking] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-28mac80211: fix potential NULL dereferenceDan Carpenter
Smatch complains that we could dereference skb later in the function. It's probably unlikely, but we may as well return here and avoid it. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> [change summary] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-28nl80211: remove unnecessary checksJohannes Berg
The CQM TX-error rate/interval can't be less than zero since they're unsigned values, remove checks. Also fix indentation of the function. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-27mac80211: support P2P GO powersave configurationJohannes Berg
If the low-level driver wants to support P2P GO powersave configuration, it must set the cfg80211 flags and mac80211 will pass the parameters to it. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-27nl80211: support P2P GO powersave configurationJohannes Berg
If a driver supports P2P GO powersave, allow it to set the new feature flags for it and allow userspace to configure the parameters for it. This can be done at GO startup and later changed with SET_BSS. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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