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Part of reorganising wireless drivers directory and Kconfig.
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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The ->ibss_dfs pointer is always allocated with a user controlled
length. This caused a static checker warning because what if the length
was zero? In that case, any dereference of ->ibss_dfs would lead to an
Oops.
It turns out that this isn't a problem because the ->ibss_dfs pointer is
never used. This patch deletes it along with all the related code. In
particular the entire libipw_network_reset() function can be removed.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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before kfree
Fix checkpatch warning:
WARNING: kfree(NULL) is safe this check is probably not required
Cc: Stanislav Yakovlev <stas.yakovlev@gmail.com>
Cc: "John W. Linville" <linville@tuxdriver.com>
Cc: linux-wireless@vger.kernel.org
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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alloc_etherdev has a generic OOM/unable to alloc message.
Remove the duplicative messages after alloc_etherdev calls.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit 27ae60f8f7aa ("ipw2x00: replace "ieee80211" with "libipw" where
appropriate") changed DRV_NAME to be "libipw", but didn't properly fix
up the places where it was used to specify the name for the /proc/net/
directory.
For backwards compatibility reasons, that directory name remained
"ieee80211", but due to the DRV_NAME change, the error case printouts
and the cleanup functions now used "libipw" instead. Which made it all
fail badly.
For example, on module unload as reported by Randy:
WARNING: at fs/proc/generic.c:816 remove_proc_entry+0x156/0x35e()
name 'libipw'
because it's trying to unregister a /proc directory that obviously
doesn't even exist.
Clean it all up to use DRV_PROCNAME for the actual /proc directory name.
Reported-and-tested-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Pavel Roskin <proski@gnu.org>
Cc: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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CHECK drivers/net/wireless/ipw2x00/libipw_module.c
drivers/net/wireless/ipw2x00/libipw_module.c:65:21: warning: symbol 'libipw_config_ops' was not declared. Should it be static?
drivers/net/wireless/ipw2x00/libipw_module.c:66:6: warning: symbol 'libipw_wiphy_privid' was not declared. Should it be static?
CHECK drivers/net/wireless/ipw2x00/libipw_wx.c
drivers/net/wireless/ipw2x00/libipw_wx.c:415:17: warning: symbol 'ssid' shadows an earlier one
drivers/net/wireless/ipw2x00/libipw_wx.c:324:9: originally declared here
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6
Conflicts:
Documentation/feature-removal-schedule.txt
drivers/net/wireless/ath/ath5k/phy.c
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"ieee80211" was the old name of the common library for ipw2100 and
ipw2200. It was renamed to "libipw", but some occurrences of the old
name remained.
Rename alloc_ieee80211() to alloc_libipw() and free_ieee80211() to
free_libipw(). Adjust comments and label names. Change prefixes in
diagnostic messages.
Keep /proc/net/ieee80211 under the original name to avoid breaking user
interface.
Move the affected EXPORT_SYMBOL macros to their proper places.
Signed-off-by: Pavel Roskin <proski@gnu.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The ieee->networks consists of 128 struct libipw_network entries. If
we allocate this chunk of memory altogether, it ends up with an
order 4 page allocation. High order page allocation is likely to fail
on system high load. This patch splits the big chunk memory allocation
into small pieces, each is 344 bytes, allocates them with 128 times.
The patch fixed bug http://bugzilla.kernel.org/show_bug.cgi?id=14989
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (42 commits)
tree-wide: fix misspelling of "definition" in comments
reiserfs: fix misspelling of "journaled"
doc: Fix a typo in slub.txt.
inotify: remove superfluous return code check
hdlc: spelling fix in find_pvc() comment
doc: fix regulator docs cut-and-pasteism
mtd: Fix comment in Kconfig
doc: Fix IRQ chip docs
tree-wide: fix assorted typos all over the place
drivers/ata/libata-sff.c: comment spelling fixes
fix typos/grammos in Documentation/edac.txt
sysctl: add missing comments
fs/debugfs/inode.c: fix comment typos
sgivwfb: Make use of ARRAY_SIZE.
sky2: fix sky2_link_down copy/paste comment error
tree-wide: fix typos "couter" -> "counter"
tree-wide: fix typos "offest" -> "offset"
fix kerneldoc for set_irq_msi()
spidev: fix double "of of" in comment
comment typo fix: sybsystem -> subsystem
...
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Conflicts:
kernel/irq/chip.c
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That is "success", "unknown", "through", "performance", "[re|un]mapping"
, "access", "default", "reasonable", "[con]currently", "temperature"
, "channel", "[un]used", "application", "example","hierarchy", "therefore"
, "[over|under]flow", "contiguous", "threshold", "enough" and others.
Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Initiate the conversion of libipw to the new cfg80211 configuration API.
For now, leave CONFIG_IPW2200_PROMISCUOUS stuff alone. Eventually
migrate it to cfg80211 when the add/del/change_virtual_intf methods
are implemented.
(v2: Fix unconditional wiphy_unregister in libipw which was causing
problems for ipw2100, somewhat based on prior attempted fix
by Zhu Yi <yi.zhu@intel.com>. Previously both original version of
this patch and Zhu Yi's fix attempt were reverted due to
discovery of regressions. -- JWL)
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This reverts commit b8ecd988b1670035a05035c553c08331214d6603.
Due to poor API call balancing by me, this commit not only broke ipw2200
if it can't find it's firmware, it broke ipw2100 basically anytime you
removed the module. At this point in the cycle, let's just put it back
to a sane state and try again next time...
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This reverts commit e6c5fc53d0f44a772398402ee8a1879818e42b4e.
Based on this regression report:
Date: Thu, 05 Nov 2009 15:59:16 +0100
From: Holger Schurig <holgerschurig@gmail.com>
To: linux-wireless@vger.kernel.org
Subject: BUG: oops when "rmmod ipw2200"
This happened on wireless-testing v2.6.32-rc6-41575-g5e68bfb. I
modprobed ipw2200, put it into monitor mode, used tshark a while to
monitor, then I stopped tshark, "ifconfig eth2 down" and finally
"rmmod ipw2200", and voila:
[ 917.189620] ------------[ cut here ]------------
[ 917.189717] kernel BUG at net/wireless/core.c:543!
[ 917.189805] invalid opcode: 0000 [#1] PREEMPT SMP
[ 917.190002] last sysfs file: /sys/devices/pci0000:00/0000:00:1e.0/0000:02:0d.0/firmware/0000:02:0d.0/loading
[ 917.190136] Modules linked in: lib80211_crypt_wep ipw2200(-) libipw lib80211 ath5k mac80211 ath cfg80211 psmouse uhci_hcd
[ 917.190680]
[ 917.190759] Pid: 1763, comm: rmmod Not tainted (2.6.32-rc6-wl #26) Amilo M1425
[ 917.190886] EIP: 0060:[<f8accf34>] EFLAGS: 00010202 CPU: 0
[ 917.190992] EIP is at wiphy_unregister+0xd3/0x175 [cfg80211]
[ 917.191083] EAX: f601d4c4 EBX: 00000000 ECX: 00000000 EDX: f79e8600
[ 917.191176] ESI: f601d400 EDI: f95b4350 EBP: f6009eb4 ESP: f6009e8c
[ 917.191269] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
[ 917.191360] Process rmmod (pid: 1763, ti=f6008000 task=f79e8130 task.ti=f6008000)
[ 917.191486] Stack:
[ 917.191562] f601d5a0 f601d484 f6460e98 f6009ea0 c01407ee f6009eb8 00000246 f64604c0
[ 917.191916] <0> f6460e5c f95b4350 f6009ec0 f94fd030 f6460e98 f6009edc f95a9d4f f787bc00
[ 917.192100] <0> f787bc58 f787bc00 f95b4350 f95b4350 f6009ee8 c0207fca f787bc58 f6009ef8
[ 917.192100] Call Trace:
[ 917.192100] [<c01407ee>] ? trace_hardirqs_on+0xb/0xd
[ 917.192100] [<f94fd030>] ? unregister_ieee80211+0xe/0x27 [libipw]
[ 917.192100] [<f95a9d4f>] ? ipw_pci_remove+0x59/0x227 [ipw2200]
[ 917.192100] [<c0207fca>] ? pci_device_remove+0x19/0x39
[ 917.192100] [<c02b93a4>] ? __device_release_driver+0x59/0x9d
[ 917.192100] [<c02b944f>] ? driver_detach+0x67/0x85
[ 917.192100] [<c02b88d6>] ? bus_remove_driver+0x69/0x85
[ 917.192100] [<c02b9878>] ? driver_unregister+0x4d/0x54
[ 917.192100] [<c02081c3>] ? pci_unregister_driver+0x28/0x71
[ 917.192100] [<f95a9cf4>] ? ipw_exit+0x1c/0x1e [ipw2200]
[ 917.192100] [<c0148e2b>] ? sys_delete_module+0x192/0x1ef
[ 917.192100] [<c0162cdb>] ? remove_vma+0x52/0x58
[ 917.192100] [<c01028bb>] ? sysenter_exit+0xf/0x18
[ 917.192100] [<c0102888>] ? sysenter_do_call+0x12/0x36
[ 917.192100] Code: 74 07 e8 81 bc 8c c7 eb c8 8d 55 e0 89 f8 e8 d6 6d 66 c7 8b 45 dc 31 d2 e8 81 cc 8c c7 8d 86 c4 00 00 00 39 86 c4 00 00 00 74 04 <0f> 0b eb fe 8b 45 dc 8d 5e 0c e8 5a cc 8c c7 8b 86 94 03 00 00
[ 917.192100] EIP: [<f8accf34>] wiphy_unregister+0xd3/0x175 [cfg80211] SS:ESP 0068:f6009e8c
[ 917.203718] ---[ end trace bcaaf449945a5100 ]---
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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For non-monitor interfaces, the syntax for alloc_ieee80211/free_80211
is wrong. Because alloc_ieee80211 only creates (wiphy_new) a wiphy, but
free_80211() does wiphy_unregister() also. This is only correct when
the later wiphy_register() is called successfully, which apparently
is not the case for your fw doesn't exist one.
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Initiate the conversion of libipw to the new cfg80211 configuration API.
For now, leave CONFIG_IPW2200_PROMISCUOUS stuff alone. Eventually
migrate it to cfg80211 when the add/del/change_virtual_intf methods
are implemented.
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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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>
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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>
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Since both ipw2100 and ipw2200 are already converted to new
net_device_ops this code is useless.
Signed-off-by: Alexander Beregalov <a.beregalov@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Expose routines so drivers can hook. Only set ptrs in netdev
if using old compat code.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Replace struct in ieee with current net_device_stats, so no longer
need get_stats hook
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Replace all remaining occurrences of CONFIG_IEEE80211_DEBUG with
CONFIG_LIBIPW_DEBUG in libipw to allow debug output again.
Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Scanned BSS entries are timestamped with jiffies, which doesn't
increment across suspend and hibernate. On resume, every BSS in the
scan list looks like it was scanned within the last 10 seconds,
irregardless of how long the machine was actually asleep. Age scan
results on resume with the time spent during sleep so userspace has a
clue how old they really are.
Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Only ipw2x00 now uses it. Reduce confusion. Profit!
Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The old ieee80211 code only remains as a support library for the ipw2100
and ipw2200 drivers. So, move the code and rename it appropriately to
reflects it's true purpose and status.
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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