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* ath9k: Fix read buffer overflowRoel Kluin2009-08-28
| | | | | | | Prevent a read of powInfo[-1] in the first iteration. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: Check pending scan request after having processed mgd workJouni Malinen2009-08-28
| | | | | | | | | | | When the queued management work items are processed in ieee80211_sta_work() an item could be removed. This could change the anybusy from true to false, so we better check whether we can start a new scan only after having processed the pending work first. Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: fix scan cancel on ifdownJohannes Berg2009-08-28
| | | | | | | | | | | | | When an interface is taken down while a scan is pending -- i.e. a scan request was accepted but not yet acted upon due to other work being in progress -- we currently do not properly cancel that scan and end up getting stuck. Fix this by doing better checks when an interface is taken down. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* b43: LP-PHY: Fix a few typos in the RC calibration codeGábor Stefanik2009-08-28
| | | | | | | | | The RC calibration code has some typos - fix them. Also, make the default channel 7, as channel 1 is still broken (only channels 7 and 8, and occasionally 9 work). Signed-off-by: Gábor Stefanik <netrolller.3d@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* PRISM54: fix compilation warningJaswinder Singh Rajput2009-08-28
| | | | | | | | | | | CC [M] drivers/net/wireless/prism54/islpci_eth.o drivers/net/wireless/prism54/islpci_eth.c: In function ‘islpci_eth_cleanup_transmit’: drivers/net/wireless/prism54/islpci_eth.c:53: warning: cast from pointer to integer of different size drivers/net/wireless/prism54/islpci_eth.c: In function ‘islpci_eth_receive’: drivers/net/wireless/prism54/islpci_eth.c:453: warning: cast from pointer to integer of different size Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath5k: add hardware CCMP encyption supportBob Copeland2009-08-28
| | | | | | | | Recent ath5k hardware is capable of doing CCMP acceleration. Enable it for the cards that support it. Signed-off-by: Bob Copeland <me@bobcopeland.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath5k: use the skb->cb directly for RX statusBob Copeland2009-08-28
| | | | | | | | Save a memcpy by just storing updates directly in the skb control block. Signed-off-by: Bob Copeland <me@bobcopeland.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath5k: add led pin configuration for compaq c700 laptopMarcos Chaparro2009-08-28
| | | | | | | | | | | With this patch, a compaq c700 can turn on the wifi led. The array of compatible devices now includes the hardware present in this computer, as well as the led pin and polarity. Signed-off-by: Marcos Chaparro <nitrousnrg@gmail.com> Signed-off-by: Bob Copeland <me@bobcopeland.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath5k: clean up filter flags settingBob Copeland2009-08-28
| | | | | | | | | | | | | | The maze of if() statements in configure_filter is confusing. Reorganizing it as a switch statement makes it more apparent what is going on and reveals several suspicious settings. This has no functional changes, though it does remove some redundant flags that are set earlier. Also now that we can sleep, protect sc->filter_flags with the sc lock. Signed-off-by: Bob Copeland <me@bobcopeland.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: Fix output of minstrels rc_statsArnd Hannemann2009-08-28
| | | | | | | | | An integer overflow in the minstrel debug code prevented the throughput to be displayed correctly. This patch fixes that, by permutating operations like proposed by Pavel Roskin. Signed-off-by: Arnd Hannemann <hannemann@nets.rwth-aachen.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mwl8k: separate driver and device info reporting during probeLennert Buytenhek2009-08-28
| | | | | | | | Only print the driver version once, and condense all per-PHY information to a single line. Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mwl8k: missing endian conversion when printing firmware command resultLennert Buytenhek2009-08-28
| | | | | Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mwl8k: fix pci dma mapping leak in mwl8k_post_cmd() error pathLennert Buytenhek2009-08-28
| | | | | Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mwl8k: fix inverted error test in mwl8k_bss_info_changed()Lennert Buytenhek2009-08-28
| | | | | Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: fix RX skb leaksJohannes Berg2009-08-28
| | | | | | | | | In mac80211's RX path some of the warnings that warn about drivers passing invalid status values leak the skb, fix that by refactoring the code. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* nl80211: jump to out_err upon unsupported iftypeRoel Kluin2009-08-28
| | | | | | | Jump to out_err when the iftype is not supported. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ar9170: remove unnecessary call to ar9170_set_beacon_timersJoerg Albert2009-08-28
| | | | | | Signed-off-by: Joerg Albert <jal2@gmx.de> Acked-by: Christian Lamparter <chunkeey@web.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ar9170: cleanup of bss_info_changed and beacon configJoerg Albert2009-08-28
| | | | | | | | | Add beacon control by BSS_CHANGED_BEACON_ENABLED and bss_conf->enable_beacon from mac80211. Signed-off-by: Joerg Albert <jal2@gmx.de> Signed-off-by: Christian Lamparter <chunkeey@web.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* MAINTAINERS: Update ipw2x00 and iwlwifi entriesReinette Chatre2009-08-28
| | | | | | | | | | | | | | | Update MAINTAINERS file to reflect current maintenance status of ipw2x00 drivers. We remove James's name as he is not involved with this project anymore. We also update the Status to "Odd Fixes". This has been true for a while now, we have to make it official. There is also a new email address with which all relevant people can be reached. The same email address should be used for iwlwifi. Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Cc: James Ketrenos <jketreno@linux.intel.com> Acked-by: James Ketrenos <jketreno@linux.intel.com> Acked-by: Zhu Yi <yi.zhu@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ipw2x00: update contact informationReinette Chatre2009-08-28
| | | | | | | | Intel Linux wireless folks can be reached via this address. Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Acked-by: Zhu Yi <yi.zhu@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* iwlwifi: fix unloading driver while scanningWey-Yi Guy2009-08-28
| | | | | | | | | | | | | If NetworkManager is busy scanning when user tries to unload the module, the driver can not be unloaded because HW still scanning. Make sure driver sends abort scan host command to uCode if it is in the middle of scanning during driver unload. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* iwlwifi: fix remove key errorAbhijeet Kolekar2009-08-28
| | | | | | | | | | | | | | | | Fix following error by sending synchronous command and waiting for the command to complete. mac80211-phy0: failed to remove key (0, ff:ff:ff:ff:ff:ff) from hardware (-16). -16 is EBUSY error. The asynchronous command tests for STATUS_EXIT_PENDING while interface is getting down and it returns -EBUSY error if set. Changing the host command from asynchronous call to synchronous call enables command to be run while interface is going down. Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* iwlwifi: read enhanced tx power info from EEPROM imageWey-Yi Guy2009-08-28
| | | | | | | | | | | | | | | | | | | For 6000 series and up, additional enhanced regulatory tx power limitation information is added to EEPROM image. In order to setup the tx power limitation per channel correctly. Read the enhanced tx power information from EEPROM image and update accordingly. The information is provided per SISO (a,b,c) chain based, it also has information for both MIMO2 and MIMO3. For tx power regulatory limitation, take the highest number from all the chains and update. Also update tx_power_user_lmt to the highest power supported by any channels and chains Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* iwlwifi: remove duplicated defineWey-Yi Guy2009-08-28
| | | | | | | | Remove duplicated define "STA_FLG_PWR_SAVE_MSK" Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* iwlwifi: set HT flags in ieee80211_rx_status for received packetsDaniel C Halperin2009-08-28
| | | | | | | | | | Add code to set the HT flags (HT, 40 MHz, Short guard interval) in the ieee80211_rx_status field passed to mac80211. This ensures that mac80211 processes these HT packets correctly. Signed-off-by: Daniel C Halperin <daniel.c.halperin@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* iwlwifi: clear rate control flags on non-HT packetDaniel C Halperin2009-08-28
| | | | | | | | | | | Clear the flags (most importantly, the IEEE80211_TX_RC_MCS flag) when sending a non-HT packet so that the rate index can be properly treated. This fixes the reporting of legacy rates in wireless-extensions for packets sent after an HT packet. Signed-off-by: Daniel C Halperin <daniel.c.halperin@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* iwlwifi: show current tx powerWey-Yi Guy2009-08-28
| | | | | | | | | | | | | | debugFs file show current tx power for all the transmit chains Adding "tx_power" file in /sys/kernal/debug/ieee80211/phy0/iwlagn/debug to display current tx power for all the active chains in 1/2 dB step. Show tx power information "Not available" if uCode can not provide the information or interface is down. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* iwlwifi: change IWL6000_UCODE_API_MAX to v4Wey-Yi Guy2009-08-28
| | | | | | | | | | | | uCode version changed to v4 for 6000 series The additional parameter added to v4 is providing current tx power for each chain in tx statistics portion of "statistics notification" command. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* iwlwifi: error checking for setting tx_power in sysfsWey-Yi Guy2009-08-28
| | | | | | | | | | | Perform error checking and report failure when setting tx power from sysfs. If fail to set the tx power, do not update the local copy, so user will not see the incorrect tx power in sysfs Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* iwlwifi: name changes from "tx_power_channel_lmt" to "tx_power_device_lmt"Wey-Yi Guy2009-08-28
| | | | | | | | | | Changing the name from "tx_power_channel_lmt" to "tx_power_device_lmt"; to give idea that scope of limit is for overall device, not any individual channels Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* iwlwifi: do not allow set tx power over channel power limitWey-Yi Guy2009-08-28
| | | | | | | | | | | | | When setting tx power in sysfs, check against max channel tx power limit instead of IWL_TX_POWER_TARGET_POWER_MAX. Different devices have different max tx power limit; using IWL_TX_POWER_TARGET_POWER_MAX can excess the limitaion and give wrong information. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* iwlwifi: set default tx power user limit to minimalWey-Yi Guy2009-08-28
| | | | | | | | | | Set the tx_power_user_lmt to the lowest power level this value will get overwritten by channel's max power avg from eeprom Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* iwlwifi: Make injection of non-broadcast frames work againGábor Stefanik2009-08-28
| | | | | | | | | | | | | | | | | | | | Commit 1ccb84d87d04df3c76cd4352fe69786d8c7cf016 by Wey-Yi Guy ("iwlwifi: clean up unused NL80211_IFTYPE_MONITOR for Monitor mode") broke injection of non-broadcast frames to unassociated stations (causing a SYSASSERT for all such injected frames), due to injected frames no longer automatically getting a broadcast station ID assigned. This patch restores the old behavior, fixing the aforementioned regression. Also, consistently check for IEEE80211_TX_CTL_INJECTED instead of iwl_is_monitor_mode in the TX path, as TX_CTL_INJECTED specifically means that a given packet is coming from a monitor interface, while iwl_is_monitor_mode only shows whether a monitor interface exists on the device. Signed-off-by: Gábor Stefanik <netrolller.3d@gmail.com> Acked-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: Add support for Marvell Libertas CF8305Marek Vasut2009-08-28
| | | | | | | | | | | | | The CF8305 is a very old silicon running firmware version 3.0 . This card also needs some special treatment as it's so old it can't do unaligned register access. But since that happens only at one place, there were no changes made to the register access functions, but instead that particular place was fixed. Also, this card uses only one-stage firmware which is loaded the same way as helper firmware. The second-stage firmware isn't loaded on this card and doesn't therefore have to be supplied. Signed-off-by: Marek Vasut <marek.vasut@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: clean up and clarify get_common_ratesDan Williams2009-08-28
| | | | | | | | | | | | Clarify what the heck the function is doing with better variable names and less indirection and better comments. Also ensure callers use the proper minimum size, even though all rates arrays should be size MAX_RATES anyway. Reverts part of Andrey's dynamic alloc patch since we don't really need it. Also leaves the passed-in rates array alone on errors. Signed-off-by: Dan Williams <dcbw@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: Read buffer overflowRoel Kluin2009-08-28
| | | | | | | | | | | | | | | | | Check whether index is within bounds before testing the element. (also includes "Libertas: Association request to the driver failed" The size of the tmp buffer was too small, causing a regression rates->rates has an arraysize of 1, so a memcpy with MAX_RATES (14) was already causing reads out of bounds. In get_common_rates() the memset/memcpy can be moved upwards. -- JWL) Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Tested-by: Daniel Mack <daniel@caiaq.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: Remove unnused throughput field from minstrel_rate.Arnd Hannemann2009-08-28
| | | | | | | | I noticed that the throughput field of the minstrel_rate struct is never used, so remove it. Signed-off-by: Arnd Hannemann <hannemann@nets.rwth-aachen.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: remove tasklet enable/disableJohannes Berg2009-08-28
| | | | | | | | | | | | | | | | | | | | | | Due to the way the tasklets work in mac80211 there's no need to ever disable them. However, we need to clear the pending packets when taking down the last interface because otherwise the tx_pending_tasklet might be queued if the driver mucks with the queues (which it shouldn't). I've had a situation occasionally with ar9170 in which ksoftirq was using 100% CPU time because a disabled tasklet was scheduled, and I think that was due to ar9170 receiving a packet while the tasklet was disabled. That's strange and it really should not do that for other reasons, but there's no need to waste that much CPU time over it, it should just warn instead. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* cfg80211: clean up properly on interface type changeJohannes Berg2009-08-28
| | | | | | | | | | | | | | | | | | | | | | | When the interface type changes while connected, and the driver does not require the interface to be down for a type change, it is currently possible to get very strange results unless the driver takes special care, which it shouldn't have to. To fix this, take care to disconnect/leave IBSS when changing the interface type -- even if the driver may fail the call. Also process all events that may be pending to avoid running into a situation where an event is reported but only processed after the type has already changed, which would lead to missing events and warnings. A side effect of this is that you will have disconnected or left the IBSS even if the mode change ultimately fails, but since the intention was to change it and thus leave or disconnect, this is not a problem. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* cfg80211: make spurious warnings less likely, configurableJohannes Berg2009-08-28
| | | | | | | | | | | | | | | | | | | | | | | | Bob reported that he got warnings in IBSS mode about the ssid_len being zero on a joined event, but only when kmemcheck was enabled. This appears to be due to a race condition between drivers and userspace, when the driver reports joined but the user in the meantime decided to leave the IBSS again, the warning would trigger. This was made more likely by kmemcheck delaying the code that does the check and sends the event. So first, make the warning trigger closer to the driver, which means it's not locked, but since only the warning depends on it that's ok. And secondly, users will not want to have spurious warnings at all, so make those that are known to be racy in such a way configurable. Reported-by: Bob Copeland <me@bobcopeland.com> Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: Fix chainmask selection during scanningSujith2009-08-28
| | | | | | | | | | | | The TX/RX chainmasks were set to 1x1 during scanning. Configure them properly with the values retrieved from the EEPROM. Also, this requires scan_start/scan_end callbacks to be locked with sc->mutex. Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: remove ieee80211_rx namespace hackJohn W. Linville2009-08-28
| | | | | | | | With the libipw naming scheme change, it is no longer necessary for mac80211 to avoid the ieee80211_rx name clash. Reported-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libipw: switch from ieee80211_* to libipw_* naming policyJohn W. Linville2009-08-28
| | | | | | | | This eliminates the dual definition of ieee80211_channel (and possibly others), further clarifying who defines what and paving the way for inclusion of cfg80211.h. Signed-off-by: John W. Linville <linville@tuxdriver.com>
* cfg80211: check lost scans later, fix bugJohannes Berg2009-08-28
| | | | | | | | | | | | | | | | When we lose a scan, cfg80211 tries to clean up after the driver. However, it currently does this too early, it does this in GOING_DOWN already instead of DOWN, so it may happen with mac80211. Besides fixing this, also make it more robust by leaking the scan request so if the driver later actually finishes the scan, it won't crash. Also check in ___cfg80211_scan_done whether a scan request is still pending and exit if not. Reported-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Tested-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* rndis_wlan: fix broken logic in add_wep_key()Jussi Kivilinna2009-08-28
| | | | | | | | add_wep_key() tries to check if key length is not 5 AND not 13 but uses (key_len != 5 || key_len != 13) instead. Fix this. Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: fix configure_filter invocation after stopJohannes Berg2009-08-28
| | | | | | | | | | | | | | | | | | | Since configure_filter can sleep now, any multicast configuration needed to be postponed to a work struct. This, however, lead to a problem that we could queue the work, stop the device and then afterwards invoke configure_filter which may lead to driver hangs and is a bug. To fix this, we can just cancel the filter work since it's unnecessary to do after stopping the hw. Since there are various places that call drv_stop, and two of them do very similar things, the code for them can be put into a shared function at the same time. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Reported-by: Lennert Buytenhek <buytenh@wantstofly.org> Tested-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: Add support FIF_OTHER_BSS filtering mode.Javier Cardona2009-08-28
| | | | | | | | | Support for FIF_OTHER_BSS was missing. This patch adds support for this filtering mode which in turn resolves a problem where mesh interfaces would not receive broadcast traffic. Signed-off-by: Javier Cardona <javier@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: Update mesh config IE to 11s draft 3.02Javier Cardona2009-08-28
| | | | | | | | | | The mesh config information element has changed significantly since draft 1.08 This patch brings it up to date. Thanks to Sam Leffler and Rui Paulo for identifying this. Signed-off-by: Javier Cardona <javier@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* p54: fix broadcast buffering in AP modeChristian Lamparter2009-08-28
| | | | | | | | | | | | | | | | | | | | | | | | The patch "mac80211: fix PS-poll response race" somehow broke broadcast buffering in a funny way. During normal operation - stations are awake - the firmware refused to transmit broadcast frames and reported P54_TX_PSM_CANCELLED. But everything worked as soon as one station entered PSM. The reason: The stack sets IEEE80211_TX_CTL_SEND_AFTER_DTIM for outgoing broadcast frames as soon as a station is marked as sleeping. This flag triggers a path which will reroute these frames into p54's "content after beacon" queue, which is designed to cope with the demands for psm. This patch restores the old behavior. IEEE80211_TX_CTL_CLEAR_PS_FILT will once again be used to signalize the firmware to ignore the ps canceling for certain frames. Signed-off-by: Christian Lamparter <chunkeey@web.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* qeth: display "undefined" value of sysfs-attribute "layer2"Ursula Braun2009-08-26
| | | | | | | | | | | If nothing has been written into the qeth sysfs-attribute layer2, its value is "-1" meaning "not yet defined". But the value is displayed as "1" meaning "layer2 selected". The patch changes the reading of this "-1"-value to "-1" to make clear the layer2-attribute has not yet been defined. Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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