Commit Graph

99545 Commits (aee18a8cf28808b7302ef698d77fa73883e60f1b)

Author SHA1 Message Date
Linus Torvalds a4480ac4f9 Merge branch 'audit.b52' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit-current
* 'audit.b52' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit-current:
  [PATCH] remove useless argument type in audit_filter_user()
  [PATCH] audit: fix kernel-doc parameter notation
  [PATCH] kernel/audit.c: nlh->nlmsg_type is gotten more than once
2008-06-29 12:15:10 -07:00
Linus Torvalds 4f46accee4 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6:
  [patch 2/3] vfs: dcache cleanups
  [patch 1/3] vfs: dcache sparse fixes
  [patch 3/3] vfs: make d_path() consistent across mount operations
  [patch 4/4] flock: remove unused fields from file_lock_operations
  [patch 3/4] vfs: fix ERR_PTR abuse in generic_readlink
  [patch 2/4] fs: make struct file arg to d_path const
  [patch 1/4] vfs: path_{get,put}() cleanups
  [patch for 2.6.26 4/4] vfs: utimensat(): fix write access check for futimens()
  [patch for 2.6.26 3/4] vfs: utimensat(): fix error checking for {UTIME_NOW,UTIME_OMIT} case
  [patch for 2.6.26 1/4] vfs: utimensat(): ignore tv_sec if tv_nsec == UTIME_OMIT or UTIME_NOW
  [patch for 2.6.26 2/4] vfs: utimensat(): be consistent with utime() for immutable and append-only files
  [PATCH] fix cgroup-inflicted breakage in block_dev.c
2008-06-29 12:14:37 -07:00
Francois Romieu 865c652d6b r8169: remove non-napi code
It will almost unavoidably cause some breakage but it
is long overdue.

The driver identification string has been updated, a
lost tabulation and some unused code have been removed.
Otherwise the code paths should stay the same.

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: Edward Hsu <edward_hsu@realtek.com.tw>
2008-06-29 15:08:28 +02:00
Francois Romieu 1087f4f4af r8169: multicast register update (sync with Realtek's 8.004.00 8168 driver)
The layout of the 8168 serie is different from that of the 8110 one.

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: Edward Hsu <edward_hsu@realtek.com.tw>
2008-06-29 15:08:28 +02:00
Dmitry Adamushko 79c537998d sched: fix cpu hotplug
the CPU hotplug problems (crashes under high-volume unplug+replug
tests) seem to be related to migrate_dead_tasks().

Firstly I added traces to see all tasks being migrated with
migrate_live_tasks() and migrate_dead_tasks(). On my setup the problem
pops up (the one with "se == NULL" in the loop of
pick_next_task_fair()) shortly after the traces indicate that some has
been migrated with migrate_dead_tasks()). btw., I can reproduce it
much faster now with just a plain cpu down/up loop.

[disclaimer] Well, unless I'm really missing something important in
this late hour [/desclaimer] pick_next_task() is not something
appropriate for migrate_dead_tasks() :-)

the following change seems to eliminate the problem on my setup
(although, I kept it running only for a few minutes to get a few
messages indicating migrate_dead_tasks() does move tasks and the
system is still ok)

Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-06-29 08:50:21 +02:00
David S. Miller 28f49d8fec Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/linville/wireless-next-2.6 2008-06-28 22:57:58 -07:00
David S. Miller 332e4af80d Merge branch 'davem-next' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6 2008-06-28 21:28:46 -07:00
Jeff Garzik be0976be91 [netdrvr] kill sync_irq-before-freq_irq pattern
synchronize_irq() is superfluous when free_irq() call immediately follows it,
because free_irq() also does a synchronize_irq() call of its own.

Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-06-28 10:23:38 -04:00
Jeff Garzik 28cd4289ab [netdrvr] fealnx: clean up nasty mess of arch ifdefs
Clean up config/burst value arch-specific setup.

* bcrvalue only varied by its big-endian bit
* crvalue only varied for certain types of x86-32 chips

This should make fealnx quite a bit more portable, without any behavior
change.

Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-06-28 10:23:37 -04:00
Harvey Harrison 445854f4c4 tulip: remove wrapper around get_unaligned
DE_UNALIGNED_16 is always being passed a u16 *, no need to have the
wrapper with two casts in it, just call get_unaligned directly.

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-06-28 10:23:37 -04:00
Tobias Diedrich f5ccbcfaca Fix forcedeth hibernate/wake-on-lan problems
This patch is the minimal amount of code needed to support
wake-on-lan in platform mode properly (i.e. "ethtool -s eth0 wol g"
is sufficient, no additional magic needed) for me.

This is derived from David Brownells patch
(http://lists.laptop.org/pipermail/devel/2007-April/004691.html).
However I decided to move the hook into pci-acpi.c since the other
two pci hooks also live there and pci and acpi are the only users of
the platform_enable_wakeup-hook.

As a 'side-effect' this also makes wake on usb activity work for me
and I had to disable usb wakeup (which is enabled by default) using
the power/wakeup sysfs functionality ("echo disabled >
${sysfs_path_to_device}/power/wakeup").

(BTW I first thought the 'immediate reboot because of usb wake' effect is
caused by the optical mouse generating a wake event, but it rather
seems to be a problem with a flaky secondary usb host controller,
which sees a connected device where nothing is attached)

Signed-off-by: Tobias Diedrich <ranma+kernel@tdiedrich.de>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-06-28 10:23:36 -04:00
Tobias Diedrich 9a60a82600 Fix forcedeth hibernate/wake-on-lan problems
We currently don't signal the kernel we that this device can wake
the system.  Call device_init_wakeup() to correct this.
Without this device_can_wakeup and device_may_wakeup will return
incorrect values.
Together with the minimized acpi wakeup patch (6/4 ;)), which will
follow in the next mail, this really makes wake-on-lan work for me
as expected (i.e. "ethtool -s eth0 wol g" is sufficient, no
additional magic needed).

Signed-off-by: Tobias Diedrich <ranma+kernel@tdiedrich.de>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-06-28 10:23:35 -04:00
Márton Németh a9879c4fca 8139too: some style cleanups
Clean up the following errors and warnings reported by checkpatch.pl:
 + ERROR: Macros with complex values should be enclosed in parenthesis
 + WARNING: __func__ should be used instead of gcc specific __FUNCTION__
 + WARNING: plain inline is preferred over __inline__
 + WARNING: Use #include <linux/io.h> instead of <asm/io.h>
 + WARNING: Use #include <linux/uaccess.h> instead of <asm/uaccess.h>

The changes were verified with by comparing the "objdump -d 8139too.ko"
output which is exactly the same for the old and new version in case of
config CONFIG_8139TOO=m, CONFIG_8139TOO_PIO=n, CONFIG_8139TOO_TUNE_TWISTER=n,
CONFIG_8139TOO_8129=n, CONFIG_8139_OLD_RX_RESET=n.
Software versions used: gcc 4.2.3, objdump 2.18.0.20080103, on elf32-i386.

Signed-off-by: Márton Németh <nm127@freemail.hu>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-06-28 10:23:35 -04:00
Jussi Kivilinna 818727badc rndis_host: pass buffer length to rndis_command
Pass buffer length to rndis_command so that rndis_command can read full
response buffer from device instead of max CONTROL_BUFFER_SIZE bytes.

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-06-28 10:23:34 -04:00
Nobuhiro Iwamatsu 0caa11663c net: sh_eth: Fix compile error sh_eth
Fix compile error on sh_eth and remove base address macro.

Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-06-28 10:23:33 -04:00
Andy Gospodarek b45f87681e e1000: remove e1000_clean_tx_irq call from e1000_netpoll
The call to e1000_clean_tx_irq in e1000_netpoll can race with the call
to e1000_clean_tx_irq in e1000_clean.  With a small bit of tweaking to
to netpoll_send_skb to simulate a system that was under extreme stress,
I was able to reproduce these concurrent calls.  This can result in
multiple frees to the skbs on the tx ring buffer.

Dropping this call from e1000_netpoll should be fine since we can rely
on the calls in e1000_clean to do what is needed since napi will poll
the hardware just after calling poll_controller.

Signed-off-by: Andy Gospodarek <andy@greyhouse.net>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-06-28 10:23:32 -04:00
Taku Izumi 42bfd33ab7 igb: make ioport free
This patch makes igb driver ioport-free.
This corrects behavior in probe function so as not to request ioport
resources as long as they are not really needed.

Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-06-28 10:23:32 -04:00
Taku Izumi 6e4f6f6b40 e1000e: make ioport free
This patch makes e1000e driver ioport-free.
This corrects behavior in probe function so as not to request ioport
resources as long as they are not really needed.

Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-06-28 10:23:31 -04:00
Auke Kok d03157babe e1000: remove PCI Express device IDs
We do not want to prolong the situation much longer that e1000
and e1000e support these devices at the same time. As a result,
take out the bandage that was added for the interim period
and remove all the PCI Express device IDs from e1000.

Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-06-28 10:23:30 -04:00
David S. Miller 1b63ba8a86 Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:

	drivers/net/wireless/iwlwifi/iwl4965-base.c
2008-06-28 01:19:40 -07:00
YOSHIFUJI Hideaki d420895efb ipv6 route: Convert rt6_device_match() to use RT6_LOOKUP_F_xxx flags.
The commit 77d16f450a ("[IPV6] ROUTE:
Unify RT6_F_xxx and RT6_SELECT_F_xxx flags") intended to pass various
routing lookup hints around RT6_LOOKUP_F_xxx flags, but conversion was
missing for rt6_device_match().

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-27 20:14:54 -07:00
Paul Moore 59d88c00ca netlabel: Fix a problem when dumping the default IPv6 static labels
There is a missing "!" in a conditional statement which is causing entries to
be skipped when dumping the default IPv6 static label entries.  This can be
demonstrated by running the following:

 # netlabelctl unlbl add default address:::1 \
                                 label:system_u:object_r:unlabeled_t:s0
 # netlabelctl -p unlbl list

... you will notice that the entry for the IPv6 localhost address is not
displayed but does exist (works correctly, causes collisions when attempting
to add duplicate entries, etc.).

Signed-off-by: Paul Moore <paul.moore@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-27 20:12:32 -07:00
Eli Cohen 251a4b320f net/inet_lro: remove setting skb->ip_summed when not LRO-able
When an SKB cannot be chained to a session, the current code attempts
to "restore" its ip_summed field from lro_mgr->ip_summed. However,
lro_mgr->ip_summed does not hold the original value; in fact, we'd
better not touch skb->ip_summed since it is not modified by the code
in the path leading to a failure to chain it.  Also use a cleaer
comment to the describe the ip_summed field of struct net_lro_mgr.

Issue raised by Or Gerlitz <ogerlitz@voltaire.com>

Signed-off-by: Eli Cohen <eli@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-27 20:09:00 -07:00
Pavel Emelyanov 9a375803fe inet fragments: fix race between inet_frag_find and inet_frag_secret_rebuild
The problem is that while we work w/o the inet_frags.lock even
read-locked the secret rebuild timer may occur (on another CPU, since
BHs are still disabled in the inet_frag_find) and change the rnd seed
for ipv4/6 fragments.

It was caused by my patch fd9e63544c
([INET]: Omit double hash calculations in xxx_frag_intern) late 
in the 2.6.24 kernel, so this should probably be queued to -stable.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-27 20:06:08 -07:00
Li Zefan a0a61a604c CONNECTOR: add a proc entry to list connectors
I got a problem when I wanted to check if the kernel supports process
event connector, and It seems there's no way to do this check.

At best I can check if the kernel supports connector or not, by looking
into /proc/net/netlink, or maybe checking the return value of bind() to
see if it's ENOENT.

So it would be useful to add /proc/net/connector to list all supported
connectors:
 # cat /proc/net/connector
 Name            ID
 connector       4294967295:4294967295
 cn_proc         1:1
 w1              3:1

Changelog:
- fix memory leak: s/seq_release/single_release
- use spin_lock_bh instead of spin_lock_irqsave

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Acked-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-27 20:03:24 -07:00
Julius Volz 10b595aff1 netlink: Fix some doc comments in net/netlink/attr.c
Fix some doc comments to match function and attribute names in
net/netlink/attr.c.

Signed-off-by: Julius Volz <juliusv@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-27 20:02:14 -07:00
Stephen Hemminger 7be87351a1 tcp: /proc/net/tcp rto,ato values not scaled properly (v2)
I found another case where we are sending information to userspace
in the wrong HZ scale.  This should have been fixed back in 2.5 :-(

This means an ABI change but as it stands there is no way for an application
like ss to get the right value.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-27 20:00:19 -07:00
Adrian Bunk c88e6f51c2 include/linux/netdevice.h: don't export MAX_HEADER to userspace
Due to the CONFIG_'s the value is anyway not correct in userspace.

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-27 19:54:54 -07:00
Adrian Bunk ede16af4cd pkt_sched: Remove CONFIG_NET_SCH_RR
Commit d62733c8e4
([SCHED]: Qdisc changes and sch_rr added for multiqueue)
added a NET_SCH_RR option that was unused since the code
went unconditionally into sch_prio.

Reported-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-27 19:54:05 -07:00
WANG Cong 01e123d79a pkt_sched: ERR_PTR() ususally encodes an negative errno, not positive.
Note, in the following patch, 'err' is initialized as:

int err = -ENOBUFS;

Signed-off-by: WANG Cong <wcong@critical-links.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-27 19:51:35 -07:00
Wang Chen 5dbaec5dc6 netdevice: Fix typo of dev_unicast_add() comment
Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-27 19:35:16 -07:00
Rainer Weikusat ec0d215f94 af_unix: fix 'poll for write'/connected DGRAM sockets
For n:1 'datagram connections' (eg /dev/log), the unix_dgram_sendmsg
routine implements a form of receiver-imposed flow control by
comparing the length of the receive queue of the 'peer socket' with
the max_ack_backlog value stored in the corresponding sock structure,
either blocking the thread which caused the send-routine to be called
or returning EAGAIN. This routine is used by both SOCK_DGRAM and
SOCK_SEQPACKET sockets. The poll-implementation for these socket types
is datagram_poll from core/datagram.c. A socket is deemed to be
writeable by this routine when the memory presently consumed by
datagrams owned by it is less than the configured socket send buffer
size. This is always wrong for PF_UNIX non-stream sockets connected to
server sockets dealing with (potentially) multiple clients if the
abovementioned receive queue is currently considered to be full.
'poll' will then return, indicating that the socket is writeable, but
a subsequent write result in EAGAIN, effectively causing an (usual)
application to 'poll for writeability by repeated send request with
O_NONBLOCK set' until it has consumed its time quantum.

The change below uses a suitably modified variant of the datagram_poll
routines for both type of PF_UNIX sockets, which tests if the
recv-queue of the peer a socket is connected to is presently
considered to be 'full' as part of the 'is this socket
writeable'-checking code. The socket being polled is additionally
put onto the peer_wait wait queue associated with its peer, because the
unix_dgram_recvmsg routine does a wake up on this queue after a
datagram was received and the 'other wakeup call' is done implicitly
as part of skb destruction, meaning, a process blocked in poll
because of a full peer receive queue could otherwise sleep forever
if no datagram owned by its socket was already sitting on this queue.
Among this change is a small (inline) helper routine named
'unix_recvq_full', which consolidates the actual testing code (in three
different places) into a single location.

Signed-off-by: Rainer Weikusat <rweikusat@mssgmbh.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-27 19:34:18 -07:00
Octavian Purdila db43a282d3 tcp: fix for splice receive when used with software LRO
If an skb has nr_frags set to zero but its frag_list is not empty (as
it can happen if software LRO is enabled), and a previous
tcp_read_sock has consumed the linear part of the skb, then
__skb_splice_bits:

(a) incorrectly reports an error and

(b) forgets to update the offset to account for the linear part

Any of the two problems will cause the subsequent __skb_splice_bits
call (the one that handles the frag_list skbs) to either skip data,
or, if the unadjusted offset is greater then the size of the next skb
in the frag_list, make tcp_splice_read loop forever.

Signed-off-by: Octavian Purdila <opurdila@ixiacom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-27 17:27:21 -07:00
Miquel van Smoorenburg 57413ebc4e tcp: calculate tcp_mem based on low memory instead of all memory
The tcp_mem array which contains limits on the total amount of memory
used by TCP sockets is calculated based on nr_all_pages.  On a 32 bits
x86 system, we should base this on the number of lowmem pages.

Signed-off-by: Miquel van Smoorenburg <miquels@cistron.nl>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-27 17:23:57 -07:00
Andre Haupt 4797982119 hamradio: remove unused variable
Signed-off-by: Andre Haupt <andre@bitwigglers.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-27 17:22:08 -07:00
Neil Brown 9bbbca3a0e Fix error paths if md_probe fails.
md_probe can fail (e.g. alloc_disk could fail) without
returning an error (as it alway returns NULL).
So when we call mddev_find immediately afterwards, we need
to check that md_probe actually succeeded.  This means checking
that mdev->gendisk is non-NULL.

cc: <stable@kernel.org>
Cc: Dave Jones <davej@redhat.com>
Signed-off-by: Neil Brown <neilb@suse.de>
2008-06-28 08:31:17 +10:00
Neil Brown efe3114318 Don't acknowlege that stripe-expand is complete until it really is.
We shouldn't acknowledge that a stripe has been expanded (When
reshaping a raid5 by adding a device) until the moved data has
actually been written out.  However we are currently
acknowledging (by calling md_done_sync) when the POST_XOR
is complete and before the write.

So track in s.locked whether there are pending writes, and don't
call md_done_sync yet if there are.

Note: we all set R5_LOCKED on devices which are are about to
read from.  This probably isn't technically necessary, but is
usually done when writing a block, and justifies the use of
s.locked here.

This bug can lead to a crash if an array is stopped while an reshape
is in progress.

Cc: <stable@kernel.org>
Signed-off-by: Neil Brown <neilb@suse.de>
2008-06-28 08:31:14 +10:00
Neil Brown 8c2e870a62 Ensure interrupted recovery completed properly (v1 metadata plus bitmap)
If, while assembling an array, we find a device which is not fully
in-sync with the array, it is important to set the "fullsync" flags.
This is an exact analog to the setting of this flag in hot_add_disk
methods.

Currently, only v1.x metadata supports having devices in an array
which are not fully in-sync (it keep track of how in sync they are).
The 'fullsync' flag only makes a difference when a write-intent bitmap
is being used.  In this case it tells recovery to ignore the bitmap
and recovery all blocks.

This fix is already in place for raid1, but not raid5/6 or raid10.

So without this fix, a raid1 ir raid4/5/6 array with version 1.x
metadata and a write intent bitmaps, that is stopped in the middle
of a recovery, will appear to complete the recovery instantly
after it is reassembled, but the recovery will not be correct.

If you might have an array like that, issueing
   echo repair > /sys/block/mdXX/md/sync_action

will make sure recovery completes properly.

Cc: <stable@kernel.org>
Signed-off-by: Neil Brown <neilb@suse.de>
2008-06-28 08:30:52 +10:00
David Woodhouse b660398101 kbuild: fix a.out.h export to userspace with O= build.
We need to check for existence of the a.out.h header in the source tree,
not the object tree, if we want it to get the right answer with O=.

Signed-off-by: David Woodhouse <david.woodhouse@intel.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2008-06-27 23:13:54 +02:00
Richard Sharpe 0e3e2eabf4 firewire: fw-sbp2: fix parsing of logical unit directories
There is a small off-by-one bug in firewire-sbp2. This causes problems
when a device exports multiple LUN Directories. I found it when trying
to talk to a SONY DVD Jukebox.

Signed-off-by: Richard Sharpe <realrichardsharpe@gmail.com>
Acked-by: Kristian Høgsberg <krh@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> (op. order, changelog)
2008-06-27 20:55:00 +02:00
Emmanuel Grumbach 00eb7fe77e mac80211: fix an oops in several failure paths in key allocation
This patch fixes an oops in several failure paths in key allocation. This
Oops occurs when freeing a key that has not been linked yet, so the
key->sdata is not set.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-06-27 14:49:52 -04:00
Harvey Harrison 5f4a6fae46 prism: islpci_eth.c endianness fix
clock is already cpu-endian (see le32_to_cpu slightly before), so
le64_to_cpu doesn't make much sense.

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-06-27 14:49:52 -04:00
Ivo van Doorn 980dfcb932 rt2x00: Fix lock dependency errror
This fixes a circular locking dependency in the workqueue handling.
The interface work task uses the mac80211 function
ieee80211_iterate_active_interfaces() which grabs the RTNL lock.

However when the interface is brough down, this happens under the RTNL
lock as well, this causes problems because mac80211 will flush the workqueue
during the ifdown event. This causes mac80211 to wait until the driver has
completed all work which can't finish because it is waiting on the RTNL lock.

This is fixed by moving rt2x00 workqueue tasks on a different workqueue,
this workqueue can be flushed when the ieee80211_hw structure is removed
by the driver (when the driver is unloaded) which does not happen under the
RTNL lock.

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-06-27 14:49:52 -04:00
John W. Linville ff28bd94e3 wireless: remove RFKILL_STATE_HARD_BLOCKED warnings
CC [M]  drivers/net/wireless/b43/rfkill.o
drivers/net/wireless/b43/rfkill.c: In function ‘b43_rfkill_soft_toggle’:
drivers/net/wireless/b43/rfkill.c:90: warning: enumeration value ‘RFKILL_STATE_HARD_BLOCKED’ not handled in switch

  CC [M]  drivers/net/wireless/b43legacy/rfkill.o
drivers/net/wireless/b43legacy/rfkill.c: In function ‘b43legacy_rfkill_soft_toggle’:
drivers/net/wireless/b43legacy/rfkill.c:92: warning: enumeration value ‘RFKILL_STATE_HARD_BLOCKED’ not handled in switch

  CC [M]  drivers/net/wireless/iwlwifi/iwl-rfkill.o
drivers/net/wireless/iwlwifi/iwl-rfkill.c: In function ‘iwl_rfkill_soft_rf_kill’:
drivers/net/wireless/iwlwifi/iwl-rfkill.c:56: warning: enumeration value ‘RFKILL_STATE_HARD_BLOCKED’ not handled in switch

Also handle RFKILL_STATE_{ON,OFF} -> RFKILL_STATE_{UNBLOCKED,SOFT_BLOCKED}
conversion since I'm already here...

Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-06-27 10:27:47 -04:00
John W. Linville d195a2ca46 ath5k: remove now unused variable declared in ath5k_tx
CC [M]  drivers/net/wireless/ath5k/base.o
drivers/net/wireless/ath5k/base.c: In function ‘ath5k_tx’:
drivers/net/wireless/ath5k/base.c:2598: warning: unused variable ‘info’

Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-06-27 09:31:29 -04:00
Johannes Berg 03f93c3d4c mac80211: fix tx fragmentation
This patch fixes TX fragmentation caused by
tx handlers reordering and 'tx info to cb' patches

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-06-27 09:09:21 -04:00
Johannes Berg 59959a6150 mac80211: make workqueue freezable
This patch makes the mac80211 workqueue freezable making it
interact a bit better with system suspend and not try to ping
the AP while the hardware is down.

This doesn't really help with implementing proper suspend in
any way but makes some bad things trigger less.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-06-27 09:09:21 -04:00
Pavel Machek e292c737fc wireless: Small cleanups
Small whitespace cleanups for wireless drivers

Signed-off-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-06-27 09:09:20 -04:00
Randy Dunlap b973e42eb2 iwlwifi: fix build for CONFIG_INPUT=n
Fix iwlwifi so that it builds cleanly with CONFIG_INPUT=n.
Also free the input device on exit.

drivers/built-in.o: In function `iwl_rfkill_unregister':
(.text+0xbf430): undefined reference to `input_unregister_device'
drivers/built-in.o: In function `iwl_rfkill_init':
(.text+0xbf51c): undefined reference to `input_allocate_device'
drivers/built-in.o: In function `iwl_rfkill_init':
(.text+0xbf5bf): undefined reference to `input_register_device'
drivers/built-in.o: In function `iwl_rfkill_init':
(.text+0xbf5e9): undefined reference to `input_free_device'
net/built-in.o: In function `rfkill_disconnect':
rfkill-input.c:(.text+0xe71e1): undefined reference to `input_close_device'
rfkill-input.c:(.text+0xe71e9): undefined reference to `input_unregister_handle'
net/built-in.o: In function `rfkill_connect':
rfkill-input.c:(.text+0xe723e): undefined reference to `input_register_handle'
rfkill-input.c:(.text+0xe724d): undefined reference to `input_open_device'
rfkill-input.c:(.text+0xe725c): undefined reference to `input_unregister_handle'
net/built-in.o: In function `rfkill_handler_init':
rfkill-input.c:(.init.text+0x36ec): undefined reference to `input_register_handler'
net/built-in.o: In function `rfkill_handler_exit':
rfkill-input.c:(.exit.text+0x112c): undefined reference to `input_unregister_handler'
make[1]: *** [.tmp_vmlinux1] Error 1

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-06-27 09:09:20 -04:00
Ivo van Doorn 428da76523 mac80211: Add RTNL warning for workqueue
The workqueue provided by mac80211 should not be used for
scheduled tasks that acquire the RTNL lock. This could be done
when the driver uses the function ieee80211_iterate_active_interfaces()
within the scheduled work. Such behavior will end in locking
dependencies problems when an interface is being removed.

This patch will add a notification about the RTNL locking and
the mac80211 workqueue to prevent driver developers from
blindly using it.

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-06-27 09:09:20 -04:00