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* Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds2008-04-28
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: iwlwifi: Allow building iwl3945 without iwl4965. wireless: Fix compile error with wifi & leds tcp: Fix slab corruption with ipv6 and tcp6fuzz ipv4/ipv6 compat: Fix SSM applications on 64bit kernels. [IPSEC]: Use digest_null directly for auth sunrpc: fix missing kernel-doc can: Fix copy_from_user() results interpretation Revert "ipv6: Fix typo in net/ipv6/Kconfig" tipc: endianness annotations ipv6: result of csum_fold() is already 16bit, no need to cast [XFRM] AUDIT: Fix flowlabel text format ambibuity.
| * wireless: Fix compile error with wifi & ledsLuca Tettamanti2008-04-27
| | | | | | | | | | | | | | | | | | | | | | | | | | Fix build error caused by commit e82404ad612ebabc65d15c3d59b971cb35c3ff36 ("iwlwifi: Select LEDS_CLASS.") from David Miller: Since MAC80211_LEDS is selected by wireless drivers it must select its own dependencies otherwise a build error may occur (kbuild will select the symbol regardless of "depends" constraints). Signed-off-By: Luca Tettamanti <kronos.it@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | asm/unaligned.h doesn't work well as the very first includeAl Viro2008-04-27
|/ | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* mac80211: fix use before check of Qdisc lengthRon Rindjunsky2008-04-23
| | | | | | | | | This patch fixes use of Qdisc length in requeue function, before we checked the reference is valid. (Adrian Bunk's catch) Signed-off-by: Ron Rindjunsky <ron.rindjunsky@intel.com> Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* net/mac80211/rx.c: fix off-by-oneAdrian Bunk2008-04-23
| | | | | | | | | | This patch fixes an off-by-one in net/mac80211/rx.c introduced by commit 8318d78a44d49ac1edf2bdec7299de3617c4232e (cfg80211 API for channels/bitrates, mac80211 and driver conversion) and spotted by the Coverity checker. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: Fix race between ieee80211_rx_bss_put and lookup routines.Pavel Emelyanov2008-04-23
| | | | | | | | | | | | | | | | The put routine first decrements the users counter and then (if it is zero) locks the sta_bss_lock and removes one from the list and the hash. Thus, any of ieee80211_sta_config_auth, ieee80211_rx_bss_get or ieee80211_rx_mesh_bss_get can race with it by finding a bss that is about to get kfree-ed. Using atomic_dec_and_lock in ieee80211_rx_bss_put takes care of this race. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: Fix n-band association problemAbhijeet Kolekar2008-04-23
| | | | | | | | | | | | | | | There are two structures named wmm_info and wmm_param, they are used while parsing the beacon frame. (Check the function ieee802_11_parse_elems). Certain APs like D-link does not set the fifth bit in WMM IE. While sending the association request to n-only ap it checks for wmm_ie. If it is set then only ieee80211_ht_cap is sent during association request. So n-only association fails. And this patch fixes this problem by copying the wmm_info to wmm_ie, which enables the "wmm" flag in iee80211_send_assoc. Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@intel.com> Acked-by: Ron Rindjunsky <ron.rindjunsky@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* Merge branch 'master' of ↵David S. Miller2008-04-18
|\ | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
| * mac80211: remove message on receiving unexpected unencrypted framesJohannes Berg2008-04-15
| | | | | | | | | | | | | | | | | | | | | | | | Some people are getting this message a lot, and we have traced it to broken access points that much too often send completely empty frames (all bytes zeroed, which they shouldn't do at all.) Since we cannot do anything about such frames in any case except the special case where we're debugging an AP, just remove the message. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * mac80211: use short_preamble mode from capability if ERP IE not presentVladimir Koutny2008-04-09
| | | | | | | | | | | | | | | | | | | | When associating to a b-only AP where there is no ERP IE, short preamble mode is left at previous state (probably also protection mode). In this case, disable protection and use short preamble mode as specified in capability field. The same is done if capability field is changed on-the-fly. Signed-off-by: Vladimir Koutny <vlado@ksp.sk> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | mac80211: rework scanning to account for probe response/beacon differenceJohannes Berg2008-04-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch reworks the scanning code (ieee80211_rx_bss_info) to take more parameters from beacons and keep a BSS info structure alive when only beacons for it are received. This fixes a problem with iwlwifi drivers (where we don't understand the root cause of the problem yet) and another driver for some broken hardware (which cannot send probe requests unless associated, so can't always actively scan.) Signed-off-by: Bill Moss <bmoss@clemson.edu> [jmberg: reformatted comments, make probe_resp a bool] Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | mac80211: allow WDS modeJohannes Berg2008-04-16
| | | | | | | | | | | | | | | | This allows creating interfaces in WDS mode or switching existing ones into WDS mode (both via cfg80211 and wext.) Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | mac80211: fix key todo list orderJohannes Berg2008-04-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | When we add multiple todo entries, we rely on them being executed mostly in the right order, especially when a key is being replaced. But when a default key is replaced, the todo list order will differ from the order when the key being replaced is not a default key, so problems will happen. Hence, just move each todo item to the end of the list when it is added so we can in the other code ensure that hw accel for a key will be disabled before it is enabled for the replacement. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | mac80211: fix spinlock recursionJohannes Berg2008-04-16
| | | | | | | | | | | | | | | | | | | | When STAs are expired, we need to hold the sta_lock. Using the same lock for keys too would then mean we'd need another key free function, and that'll just lead to confusion, so just use a new spinlock for all key lists. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | mac80211: no BSS changes to driver from beacons processed during scanningReinette Chatre2008-04-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There is no need to send BSS changes to driver from beacons processed during scanning. We are more interested in beacons from an AP with which we are associated - these will still be used to send updates to driver as the beacons are received without scanning. This change·removes the requirement that bss_info_changed needs to be atomic. The beacons received during scanning are processed from a tasklet, but if we do not call bss_info_changed for these beacons there is no need for it to be atomic. This function (bss_info_changed) is called either from workqueue or ioctl in all other instances. Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Acked-by: Tomas Winkler <tomas.winkler@intel.com> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | mac80211: further RCU fixesJohannes Berg2008-04-16
| | | | | | | | | | | | | | | | There were a few more instances of sta_info_get calls not being protected by RCU, fix them. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | mac80211: fix key hwaccel raceJohannes Berg2008-04-16
| | | | | | | | | | | | | | | | | | | | | | | | | | The previous key locking patch left a small race: it would be possible to add a key and take the interface down before the key todo is run so that hwaccel for that key is enabled on an interface that is down. Avoid this by running the todo list when an interface is brought up or down. This patch also fixes a small bug: before this change, a few functions used the key list without the lock that protects it. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | mlme.c: fixup some merge damageJohn W. Linville2008-04-16
| | | | | | | | | | | | | | This one got renamed, complicating the merge a bit...this should restore it to its intended state. Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | mac80211: fix key debugfs default_key linkJohannes Berg2008-04-08
| | | | | | | | | | | | | | | | The default_key symlink points to the key index rather than they key counter, fix it. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | mac80211: rename filesJohannes Berg2008-04-08
| | | | | | | | | | | | | | | | This patch renames all mac80211 files (except ieee80211_i.h) to get rid of the useless ieee80211_ prefix. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | mac80211: fix key vs. sta locking problemsJohannes Berg2008-04-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Up to now, key manipulation is supposed to run under RTNL to avoid concurrent manipulations and also allow the set_key() hardware callback to sleep. This is not feasible because STA structs are rcu-protected and thus a lot of operations there cannot take the RTNL. Also, key references are rcu-protected so we cannot do things atomically. This patch changes key locking completely: * key operations are now atomic * hardware crypto offload is enabled and disabled from a workqueue, due to that key freeing is also delayed * debugfs code is also run from a workqueue * keys reference STAs (and vice versa!) so during STA unlink the STAs key reference is removed but not the keys STA reference, to avoid races key todo work is run before STA destruction. * fewer STA operations now need the RTNL which was required due to key operations This fixes the locking problems lockdep pointed out and also makes things more light-weight because the rtnl isn't required as much. Note that the key todo lock/key mutex are global locks, this is not required, of course, they could be per-hardware instead. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | mac80211: fix sta-info pinningJohannes Berg2008-04-08
| | | | | | | | | | | | | | | | | | | | When a STA is supposed to be unlinked but is pinned, it still needs to be unlinked from all structures. Only at the end of the unlink process should we check for pin status and invalidate the callers reference if it is pinned. Move the pin status check down. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | mac80211: fix defined but not usedJiri Slaby2008-04-08
| | | | | | | | | | | | | | | | | | | | | | | | | | These two symbols are used only in ifdeffed function. Move them to that section too. net/mac80211/sta_info.c:387: warning: `__sta_info_pin' defined but not used net/mac80211/sta_info.c:397: warning: `__sta_info_unpin' defined but not used Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Cc: Michael Wu <flamingice@sourmilk.net> Cc: Johannes Berg <johannes@sipsolutions.net> Cc: Jiri Benc <jbenc@suse.cz> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | mac80211: BA session debug prints changesRon Rindjunsky2008-04-08
| | | | | | | | | | | | | | | | | | | | | | | | This patch contains next issues: 1 - prevents "stop BA session" multiple warnings 2 - adds debug print to stop Rx BA session flow 3 - adds EOL in one debug print Signed-off-by: Ron Rindjunsky <ron.rindjunsky@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | mac80211: notify mac from low level driver (iwlwifi)Mohamed Abbas2008-04-08
| | | | | | | | | | | | | | | | | | | | Add new API to MAC80211 to allow low level driver to notify MAC with driver status. Signed-off-by: Mohamed Abbas <mabbas@linux.intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | mac80211: fix ieee80211_ioctl_giwrateJohannes Berg2008-04-08
| | | | | | | | | | | | | | | | The ieee80211_ioctl_giwrate() ioctl handler doesn't rcu_read_lock() its access to the sta table, fix it. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | mac80211: make debugfs files root-onlyJohannes Berg2008-04-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Unfortunately, debugfs can be made to access invalid memory by open()ing a file and then waiting until the corresponding debugfs file has been removed (and, probably, the underlying object.) That could be exploited by any user if the user is able to open debugfs files and can cause networking devices, STA entries or similar to disappear which is quite easy to do. Hence, all debugfs files should be root-only. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | mac80211: notify upper layers after lowerReinette Chatre2008-04-08
| | | | | | | | | | | | | | | | | | | | | | | | | | When drivers receive change notification they may do work that will enable the changes to take effect. For example, if new association the device needs to be programmed with this information. Give the driver chance to make the changes before notifying the upper layer - thus preventing race condition where upper layer attempts to utilize state that may not be configured yet. Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | mac80211: clean up IEEE80211_FC useJohannes Berg2008-04-08
| | | | | | | | | | | | | | | | | | | | | | Really doesn't need to be defined four times. Also, while at it, remove a useless macro (IEEE80211_ALIGN32_PAD) and a function prototype for a function we don't actually have (ieee80211_set_compression.) Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | mac80211: fix possible sta-debugfs work lockupJohannes Berg2008-04-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Because we queue the sta-debugfs-adding work on our mac80211 workqueue (which needs to be flushed under RTNL) and that work needs the RTNL, it can currently deadlock, thanks to Reinette Chatre for pointing out the lockdep warning about this. This patch fixes it by moving this work to the common kernel workqueue (using schedule_work) and canceling it as appropriate. It also fixes a related problem: When a STA is pinned by the debugfs adding work and sta_info_flush() runs concurrently it is not guaranteed that all STAs are removed from the driver before the corresponding interface is removed which may lead to bugs. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Cc: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | mac80211: add station aid into ieee80211_tx_controlChr2008-04-08
| | | | | | | | | | | | | | | | This patch is necessary for the upcoming Accesspoint patch for p54. Signed-off-by: Christian Lamparter <chunkeey@web.de> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | mac80211: add association capabilty and timing info into bss_confTomas Winkler2008-04-08
| | | | | | | | | | | | | | | | | | This patch adds assocation capability, timestamp (tsf) and beacon interval to bss_conf. This is required for successful assocation of iwlwifi drivers Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Gregory Greenman <gregory.greenman@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | mac80211: eliminate conf_htTomas Winkler2008-04-08
| | | | | | | | | | | | | | | | | | This patch eliminates the use of conf_ht, replacing it with bss_info_changed. Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Ron Rindjunsky <ron.rindjunsky@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | Revert "mac80211: use a struct for bss->mesh_config"John W. Linville2008-04-08
| | | | | | | | | | | | | | | | | | | | | | | | This reverts commit 6c4711b4697d93424e4b1f76a9929ba844d714a5. That patch breaks mesh config comparison between beacons/probe reponses, so every beacon from a mesh network would be added as a new bss. Since the comparison has to be performed for every received beacon I believe it is best to save the mesh config in a format easy to compare, rather than do a bunch of unaligned accesses to compare field by field. Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | Merge branch 'master' of ↵David S. Miller2008-04-03
|\| | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/net/s2io.c
| * mac80211: correct use_short_preamble handlingVladimir Koutny2008-04-01
| | | | | | | | | | | | | | | | | | ERP IE bit for preamble mode is 0 for short and 1 for long, not the other way around. This fixes the value reported to the driver via bss_conf->use_short_preamble field. Signed-off-by: Vladimir Koutny <vlado@ksp.sk> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * mac80211: trigger ieee80211_sta_work after opening interfaceJan Niehusmann2008-04-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ieee80211_sta_work is disabled while network interface is down. Therefore, if you configure wireless parameters before bringing the interface up, these configurations are not yet effective and association fails. A workaround from userspace is calling a command like 'iwconfig wlan0 ap any' after the interface is brought up. To fix this behaviour, trigger execution of ieee80211_sta_work from ieee80211_open when in STA or IBSS mode. Signed-off-by: Jan Niehusmann <jan@gondor.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * rc80211-pid: fix rate adjustmentStefano Brivio2008-03-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Merge rate_control_pid_shift_adjust() to rate_control_pid_adjust_rate() in order to make the learning algorithm aware of constraints on rates. Also add some comments and rename variables. This fixes a bug which prevented 802.11b/g non-AP STAs from working with 802.11b only AP STAs. This patch was originally destined for 2.6.26, and is being backported to fix a user reported problem in post-2.6.24 kernels. Signed-off-by: Stefano Brivio <stefano.brivio@polimi.it> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | mac80211: use a struct for bss->mesh_configLuis Carlos Cobo2008-04-01
| | | | | | | | | | | | | | | | This allows cleaner code when accesing bss->mesh_config components. Signed-off-by: Luis Carlos Cobo <luisca@cozybit.com> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | mac80211: check for mesh_config length on incoming management framesLuis Carlos Cobo2008-04-01
| | | | | | | | | | Signed-off-by: Luis Carlos Cobo <luisca@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | mac80211: use recent multicast table for all mesh multicast framesLuis Carlos Cobo2008-04-01
| | | | | | | | | | | | | | ...not only broadcast. Signed-off-by: Luis Carlos Cobo <luisca@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | mac80211: fix spinlock recursion on sta expirationLuis Carlos Cobo2008-04-01
| | | | | | | | | | | | Signed-off-by: Luis Carlos Cobo <luisca@cozybit.com> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | mac80211: fix deadlocks in debugfs_netdev.cLuis Carlos Cobo2008-04-01
| | | | | | | | | | | | | | | | | | The bug shows up with CONFIG_PREEMPT enabled. Pointed out by Andrew Morton. Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Luis Carlos Cobo <luisca@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | mac80211: fix sparse complaint in ieee80211_sta_def_wmm_paramsJohannes Berg2008-04-01
| | | | | | | | | | | | | | | | | | A variable 'i' is being shadowed by another one, but the second one can just be removed. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Cc: Vladimir Koutny <vlado@work.ksp.sk> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | mac80211: sta_info_flush() fixesJohannes Berg2008-04-01
| | | | | | | | | | | | | | | | | | When the IBSS code tries to flush the STA list, it does so in an atomic context. Flushing isn't safe there, however, and requires the RTNL, so we need to defer it to a workqueue. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | mac80211: clean up sta_info_destroy() users wrt. RCU/lockingJohannes Berg2008-04-01
| | | | | | | | | | | | | | | | | | | | | | | | Calling sta_info_destroy() doesn't require RCU-synchronisation before-hand because it does that internally. However, it does require rtnl-locking so insert that where necessary. Also clean up the code doing it internally to be a bit clearer and not synchronize twice if keys are configured. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | mac80211: automatically free sta struct when insertion failsJohannes Berg2008-04-01
| | | | | | | | | | | | | | | | | | | | | | When STA structure insertion fails, it has been allocated but isn't really alive yet, it isn't reachable by any other code and also can't yet have much configured. This patch changes the code so that when the insertion fails, the resulting STA pointer is no longer valid because it is freed. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | mac80211: fix sta_info_destroy(NULL)Johannes Berg2008-04-01
| | | | | | | | | | | | | | | | | | | | sta_info_destroy(NULL) should be valid, but currently isn't because the argument is dereferenced before the NULL check. There are no users that currently pass in NULL, i.e. all check before calling the function, but I want to change that. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | mac80211 ibss: flush only stations belonging to current interfaceJohannes Berg2008-04-01
| | | | | | | | | | | | | | | | | | When joining a new IBSS, all old stations are flushed, but currently all stations belonging to all virtual interfaces are flushed, which is wrong. This patch fixes it. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | net/mac80211/debugfs_netdev.c: use of bool triggers a gcc bugAndrew Morton2008-04-01
| | | | | | | | | | | | | | | | | | | | This bool causes my gcc-4.1.0 alpha cross compiler to go into an infinite loop. Switching it to u8 works around that. Cc: Johannes Berg <johannes@sipsolutions.net> Cc: Luis Carlos Cobo <luisca@cozybit.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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