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This patch, suggested by Alan Stern, fixes the hung USB issues
on my notebook from suspend/resume cycles.
It does so by eliminating some confusion about the internal state
machine associated with unlinking from the EHCI async schedule ring,
which caused a recent regression:
http://bugzilla.kernel.org/show_bug.cgi?id=10345
Signed-off-by: Mark Lord <mlord@pobox.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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* git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb:
V4L/DVB (7486): radio-cadet: wrap PNP probe code in #ifdef CONFIG_PNP
V4L/DVB (7485): v4l2-int-device.c: add MODULE_LICENSE
V4L/DVB (7466): Avoid minor model number warning when an OEM HVR1250 board is detected
V4L/DVB (7465): Fix eeprom parsing and errors on the HVR1800 products
V4L/DVB (7464): Convert driver to use a single SRAM memory map
V4L/DVB (7461): bttv: fix missed index check
V4L/DVB (7400): bttv: Add a radio compat_ioctl file operation
V4L/DVB (7278): bttv: Re-enable radio tuner support for VIDIOCGFREQ/VIDIOCSFREQ ioctls
V4L/DVB (7277): bttv: Re-enabling radio support requires the use of struct bttv_fh
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* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6:
[SCSI] mvsas: check subsystem id
[SCSI] mvsas: get phy info.
[SCSI] mvsas: fix the buffer of rx DMA overflow bug
[SCSI] mvsas: retry aborting task.
[SCSI] mvsas: check hd whether unplugged
[SCSI] mvsas : interrupt handling
[SCSI] mvsas: a tag handler implementation
[SCSI] mvsas: fill in error info record and phy mode6 bits.
[SCSI] libsas: Warn if ATA device detected but CONFIG_SCSI_SAS_ATA not set
[SCSI] hosts.c: fixes for "no error" reported after error scenarios
Revert "[SCSI] fix bsg queue oops with iscsi logout"
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
sparc64: remove unused calc_npages() in iommu_common.h
sparc64: add the segment boundary checking to IOMMUs while merging SG entries
[SPARC64]: Don't open-code {get,put}_cpu_var() in flush_tlb_pending().
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (45 commits)
[VLAN]: Proc entry is not renamed when vlan device name changes.
[IPV6]: Fix ICMP relookup error path dst leak
[ATM] drivers/atm/iphase.c: compilation warning fix
IPv6: do not create temporary adresses with too short preferred lifetime
IPv6: only update the lifetime of the relevant temporary address
bluetooth : __rfcomm_dlc_close lock fix
bluetooth : use lockdep sub-classes for diffrent bluetooth protocol
[ROSE/AX25] af_rose: rose_release() fix
mac80211: correct use_short_preamble handling
b43: Fix PCMCIA IRQ routing
b43: Add DMA mapping failure messages
mac80211: trigger ieee80211_sta_work after opening interface
[LLC]: skb allocation size for responses
[IP] UDP: Use SEQ_START_TOKEN.
[NET]: Remove Documentation/networking/sk98lin.txt
[ATM] atm/idt77252.c: Make 2 functions static
[ATM]: Make atm/he.c:read_prom_byte() static
[IPV6] MCAST: Ensure to check multicast listener(s).
[LLC]: Kill llc_station_mac_sa symbol export.
forcedeth: fix locking bug with netconsole
...
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git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/selinux-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/selinux-2.6:
selinux: handle files opened with flags 3 by checking ioctl permission
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* 'for-linus' of git://git.kernel.dk/linux-2.6-block:
cfq-iosched: fix rcu freeing of cfq io contexts
Fix bounce setting for 64-bit
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* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
[CRYPTO] xcbc: Fix crash when ipsec uses xcbc-mac with big data chunk
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If afs_cell_alloc() fails, afs_cells_sem doesn't get unlocked, which
leads to a deadlock. Unlock it before returning.
Signed-off-by: Sven Schnelle <svens@stackframe.org>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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SLAB_DESTROY_BY_RCU is not a direct substitute for normal call_rcu()
freeing, since it'll page freeing but NOT object freeing. So change
cfq to do the freeing on its own.
Signed-off-by: Fabio Checconi <fabio@gandalf.sssup.it>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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This may lead to situations, when each of two proc entries produce
data for the other's device.
Looks like a BUG, so this patch is for net-2.6. It will not apply to
net-2.6.26 since dev->nd_net access is replaced with dev_net(dev)
one.
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Looking a bit closer into this regression the reason this can't be
right is that dma_addr common default is BLK_BOUNCE_HIGH and most
machines have less than 4G. So if you do:
if (b_pfn <= (min_t(u64, 0xffffffff, BLK_BOUNCE_HIGH) >> PAGE_SHIFT))
dma = 1
that will translate to:
if (BLK_BOUNCE_HIGH <= BLK_BOUNCE_HIGH)
dma = 1
So for 99% of hardware this will trigger unnecessary GFP_DMA
allocations and isa pooling operations.
Also note how the 32bit code still does b_pfn < blk_max_low_pfn.
I guess this is what you were looking after. I didn't verify but as
far as I can tell, this will stop the regression with isa dma
operations at boot for 99% of blkdev/memory combinations out there and
I guess this fixes the setups with >4G of ram and 32bit pci cards as
well (this also retains symmetry with the 32bit code).
Signed-off-by: Andrea Arcangeli <andrea@qumranet.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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When we encounter an error while looking up the dst the second
time we need to drop the first dst. This patch is pretty much
the same as the one for IPv4.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Removed the warning messages:
drivers/atm/iphase.c:961: warning: 'tcnter' defined but not used
drivers/atm/iphase.c:963: warning: 'xdump' defined but not used
tcnter and xdump() are used only in debug build
Signed-off-by: Leonardo Potenza <lpotenza@inwind.it>
Signed-off-by: David S. Miller <davem@davemloft.net>
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From RFC341:
A temporary address is created only if this calculated Preferred
Lifetime is greater than REGEN_ADVANCE time units. In particular, an
implementation must not create a temporary address with a zero
Preferred Lifetime.
Signed-off-by: Benoit Boissinot <benoit.boissinot@ens-lyon.org>
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When receiving a prefix information from a routeur, only update the
lifetimes of the temporary address associated with that prefix.
Otherwise if one deprecated prefix is advertized, all your temporary
addresses will become deprecated.
Signed-off-by: Benoit Boissinot <benoit.boissinot@ens-lyon.org>
Acked-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Lockdep warning will be trigged while rfcomm connection closing.
The locks taken in rfcomm_dev_add:
rfcomm_dev_lock --> d->lock
In __rfcomm_dlc_close:
d->lock --> rfcomm_dev_lock (in rfcomm_dev_state_change)
There's two way to fix it, one is in rfcomm_dev_add we first locking
d->lock then the rfcomm_dev_lock
The other (in this patch), remove the locking of d->lock for
rfcomm_dev_state_change because just locking "d->state = BT_CLOSED;"
is enough.
[ 295.002046] =======================================================
[ 295.002046] [ INFO: possible circular locking dependency detected ]
[ 295.002046] 2.6.25-rc7 #1
[ 295.002046] -------------------------------------------------------
[ 295.002046] krfcommd/2705 is trying to acquire lock:
[ 295.002046] (rfcomm_dev_lock){-.--}, at: [<f89a090a>] rfcomm_dev_state_change+0x6a/0xd0 [rfcomm]
[ 295.002046]
[ 295.002046] but task is already holding lock:
[ 295.002046] (&d->lock){--..}, at: [<f899c533>] __rfcomm_dlc_close+0x43/0xd0 [rfcomm]
[ 295.002046]
[ 295.002046] which lock already depends on the new lock.
[ 295.002046]
[ 295.002046]
[ 295.002046] the existing dependency chain (in reverse order) is:
[ 295.002046]
[ 295.002046] -> #1 (&d->lock){--..}:
[ 295.002046] [<c0149b23>] check_prev_add+0xd3/0x200
[ 295.002046] [<c0149ce5>] check_prevs_add+0x95/0xe0
[ 295.002046] [<c0149f6f>] validate_chain+0x23f/0x320
[ 295.002046] [<c014b7b1>] __lock_acquire+0x1c1/0x760
[ 295.002046] [<c014c349>] lock_acquire+0x79/0xb0
[ 295.002046] [<c03d6b99>] _spin_lock+0x39/0x80
[ 295.002046] [<f89a01c0>] rfcomm_dev_add+0x240/0x360 [rfcomm]
[ 295.002046] [<f89a047e>] rfcomm_create_dev+0x6e/0xe0 [rfcomm]
[ 295.002046] [<f89a0823>] rfcomm_dev_ioctl+0x33/0x60 [rfcomm]
[ 295.002046] [<f899facc>] rfcomm_sock_ioctl+0x2c/0x50 [rfcomm]
[ 295.002046] [<c0363d38>] sock_ioctl+0x118/0x240
[ 295.002046] [<c0194196>] vfs_ioctl+0x76/0x90
[ 295.002046] [<c0194446>] do_vfs_ioctl+0x56/0x140
[ 295.002046] [<c0194569>] sys_ioctl+0x39/0x60
[ 295.002046] [<c0104faa>] syscall_call+0x7/0xb
[ 295.002046] [<ffffffff>] 0xffffffff
[ 295.002046]
[ 295.002046] -> #0 (rfcomm_dev_lock){-.--}:
[ 295.002046] [<c0149a84>] check_prev_add+0x34/0x200
[ 295.002046] [<c0149ce5>] check_prevs_add+0x95/0xe0
[ 295.002046] [<c0149f6f>] validate_chain+0x23f/0x320
[ 295.002046] [<c014b7b1>] __lock_acquire+0x1c1/0x760
[ 295.002046] [<c014c349>] lock_acquire+0x79/0xb0
[ 295.002046] [<c03d6639>] _read_lock+0x39/0x80
[ 295.002046] [<f89a090a>] rfcomm_dev_state_change+0x6a/0xd0 [rfcomm]
[ 295.002046] [<f899c548>] __rfcomm_dlc_close+0x58/0xd0 [rfcomm]
[ 295.002046] [<f899d44f>] rfcomm_recv_ua+0x6f/0x120 [rfcomm]
[ 295.002046] [<f899e061>] rfcomm_recv_frame+0x171/0x1e0 [rfcomm]
[ 295.002046] [<f899e357>] rfcomm_run+0xe7/0x550 [rfcomm]
[ 295.002046] [<c013c18c>] kthread+0x5c/0xa0
[ 295.002046] [<c0105c07>] kernel_thread_helper+0x7/0x10
[ 295.002046] [<ffffffff>] 0xffffffff
[ 295.002046]
[ 295.002046] other info that might help us debug this:
[ 295.002046]
[ 295.002046] 2 locks held by krfcommd/2705:
[ 295.002046] #0: (rfcomm_mutex){--..}, at: [<f899e2eb>] rfcomm_run+0x7b/0x550 [rfcomm]
[ 295.002046] #1: (&d->lock){--..}, at: [<f899c533>] __rfcomm_dlc_close+0x43/0xd0 [rfcomm]
[ 295.002046]
[ 295.002046] stack backtrace:
[ 295.002046] Pid: 2705, comm: krfcommd Not tainted 2.6.25-rc7 #1
[ 295.002046] [<c0128a38>] ? printk+0x18/0x20
[ 295.002046] [<c014927f>] print_circular_bug_tail+0x6f/0x80
[ 295.002046] [<c0149a84>] check_prev_add+0x34/0x200
[ 295.002046] [<c0149ce5>] check_prevs_add+0x95/0xe0
[ 295.002046] [<c0149f6f>] validate_chain+0x23f/0x320
[ 295.002046] [<c014b7b1>] __lock_acquire+0x1c1/0x760
[ 295.002046] [<c014c349>] lock_acquire+0x79/0xb0
[ 295.002046] [<f89a090a>] ? rfcomm_dev_state_change+0x6a/0xd0 [rfcomm]
[ 295.002046] [<c03d6639>] _read_lock+0x39/0x80
[ 295.002046] [<f89a090a>] ? rfcomm_dev_state_change+0x6a/0xd0 [rfcomm]
[ 295.002046] [<f89a090a>] rfcomm_dev_state_change+0x6a/0xd0 [rfcomm]
[ 295.002046] [<f899c548>] __rfcomm_dlc_close+0x58/0xd0 [rfcomm]
[ 295.002046] [<f899d44f>] rfcomm_recv_ua+0x6f/0x120 [rfcomm]
[ 295.002046] [<f899e061>] rfcomm_recv_frame+0x171/0x1e0 [rfcomm]
[ 295.002046] [<c014abd9>] ? trace_hardirqs_on+0xb9/0x130
[ 295.002046] [<c03d6e89>] ? _spin_unlock_irqrestore+0x39/0x70
[ 295.002046] [<f899e357>] rfcomm_run+0xe7/0x550 [rfcomm]
[ 295.002046] [<c03d4559>] ? __sched_text_start+0x229/0x4c0
[ 295.002046] [<c0120000>] ? cpu_avg_load_per_task+0x20/0x30
[ 295.002046] [<f899e270>] ? rfcomm_run+0x0/0x550 [rfcomm]
[ 295.002046] [<c013c18c>] kthread+0x5c/0xa0
[ 295.002046] [<c013c130>] ? kthread+0x0/0xa0
[ 295.002046] [<c0105c07>] kernel_thread_helper+0x7/0x10
[ 295.002046] =======================
Signed-off-by: Dave Young <hidave.darkstar@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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'rfcomm connect' will trigger lockdep warnings which is caused by
locking diffrent kinds of bluetooth sockets at the same time.
So using sub-classes per AF_BLUETOOTH sub-type for lockdep.
Thanks for the hints from dave jones.
---
> From: Dave Jones <davej@codemonkey.org.uk>
> Date: Thu, 27 Mar 2008 12:21:56 -0400
>
> > Mar 27 08:10:57 localhost kernel: Pid: 3611, comm: obex-data-serve Not tainted 2.6.25-0.121.rc5.git4.fc9 #1
> > Mar 27 08:10:57 localhost kernel: [__lock_acquire+2287/3089] __lock_acquire+0x8ef/0xc11
> > Mar 27 08:10:57 localhost kernel: [sched_clock+8/11] ? sched_clock+0x8/0xb
> > Mar 27 08:10:57 localhost kernel: [lock_acquire+106/144] lock_acquire+0x6a/0x90
> > Mar 27 08:10:57 localhost kernel: [<f8bd9321>] ? l2cap_sock_bind+0x29/0x108 [l2cap]
> > Mar 27 08:10:57 localhost kernel: [lock_sock_nested+182/198] lock_sock_nested+0xb6/0xc6
> > Mar 27 08:10:57 localhost kernel: [<f8bd9321>] ? l2cap_sock_bind+0x29/0x108 [l2cap]
> > Mar 27 08:10:57 localhost kernel: [security_socket_post_create+22/27] ? security_socket_post_create+0x16/0x1b
> > Mar 27 08:10:57 localhost kernel: [__sock_create+388/472] ? __sock_create+0x184/0x1d8
> > Mar 27 08:10:57 localhost kernel: [<f8bd9321>] l2cap_sock_bind+0x29/0x108 [l2cap]
> > Mar 27 08:10:57 localhost kernel: [kernel_bind+10/13] kernel_bind+0xa/0xd
> > Mar 27 08:10:57 localhost kernel: [<f8dad3d7>] rfcomm_dlc_open+0xc8/0x294 [rfcomm]
> > Mar 27 08:10:57 localhost kernel: [lock_sock_nested+187/198] ? lock_sock_nested+0xbb/0xc6
> > Mar 27 08:10:57 localhost kernel: [<f8dae18c>] rfcomm_sock_connect+0x8b/0xc2 [rfcomm]
> > Mar 27 08:10:57 localhost kernel: [sys_connect+96/125] sys_connect+0x60/0x7d
> > Mar 27 08:10:57 localhost kernel: [__lock_acquire+1370/3089] ? __lock_acquire+0x55a/0xc11
> > Mar 27 08:10:57 localhost kernel: [sys_socketcall+140/392] sys_socketcall+0x8c/0x188
> > Mar 27 08:10:57 localhost kernel: [syscall_call+7/11] syscall_call+0x7/0xb
---
Signed-off-by: Dave Young <hidave.darkstar@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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rose_release() doesn't release sockets properly, e.g. it skips
sock_orphan(), so OOPSes are triggered in sock_def_write_space(),
which was observed especially while ROSE skbs were kfreed from
ax25_frames_acked(). There is also sock_hold() and lock_sock() added -
similarly to ax25_release(). Thanks to Bernard Pidoux for substantial
help in debugging this problem.
Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
Reported-and-tested-by: Bernard Pidoux <bpidoux@free.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The kernel crashes when ipsec passes a udp packet of about 14XX bytes
of data to aes-xcbc-mac.
It seems the first xxxx bytes of the data are in first sg entry,
and remaining xx bytes are in next sg entry. But we don't
check next sg entry to see if we need to go look the page up.
I noticed in hmac.c, we do a scatterwalk_sg_next(), to do this check
and possible lookup, thus xcbc.c needs to use this routine too.
A 15-hour run of an ipsec stress test sending streams of tcp and
udp packets of various sizes, using this patch and
aes-xcbc-mac completed successfully, so hopefully this fixes the
problem.
Signed-off-by: Joy Latten <latten@austin.ibm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Handle files opened with flags 3 by checking ioctl permission.
Default to returning FILE__IOCTL from file_to_av() if the f_mode has neither
FMODE_READ nor FMODE_WRITE, and thus check ioctl permission on exec or
transfer, thereby validating such descriptors early as with normal r/w
descriptors and catching leaks of them prior to attempted usage.
Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>
Acked-by: Eric Paris <eparis@redhat.com>
Signed-off-by: James Morris <jmorris@namei.org>
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Wrap PNP probe code in #ifdef CONFIG_PNP.
Without this change, we'll have unresolved references to pnp_get_resource()
function when CONFIG_PNP=n. (This is a new interface that's not in mainline
yet.)
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Now that it's in an own module it needs a MODULE_LICENSE.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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is detected
Avoid minor model number warning when an OEM HVR1250 board is detected.
Signed-off-by: Steven Toth <stoth@hauppauge.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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On some models, the valid Hauppauge eeprom data begins at a different offset.
This patch avoid unfriendly 'corrupt' eeprom errors during driver load.
Signed-off-by: Steven Toth <stoth@hauppauge.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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This reduces the memory footprint and removes the need to
manually configure each map, which lead to a bug where
the Fusion EXP 5 board broke for a while.
This also fixes digital support again for
the DViCO FusionHDTV5Express.
Signed-off-by: Steven Toth <stoth@hauppauge.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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We should check for proper index first
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Robert Fitzsimons <robfitz@273k.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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VIDIOCGFREQ/VIDIOCSFREQ ioctls
Signed-off-by: Robert Fitzsimons <robfitz@273k.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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bttv_fh
A number of the radio tuner ioctl functions are shared with the TV
tuner, these functions require a struct bttv_fh data structure to be
allocated and initialized.
Signed-off-by: Robert Fitzsimons <robfitz@273k.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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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>
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This fixes the IRQ routing on PCMCIA devices.
With this patch the card will finally be able to receive IRQs.
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This adds messages for some DMA mapping failures.
These are useful for debugging DMA address problems, as they appear
on x86_64 machines with IOMMU enabled.
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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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>
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Small typo in the patch recently merged to avoid the unused symbol
message for count_partial(). Discussion thread with confirmation of fix at
http://marc.info/?t=120696854400001&r=1&w=2
Typo in the check if we need the count_partial function that was
introduced by 53625b4204753b904addd40ca96d9ba802e6977d
Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6:
firewire: fw-ohci: plug dma memory leak in AR handler
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* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6.25:
sh: Fix up uImage compression type
remove include/asm-sh/floppy.h
sh: Fix TIF_USEDFPU clearing under FPU emulation.
sh: Fix occasional FPU register corruption under preempt.
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git://git.kernel.org/pub/scm/linux/kernel/git/ralf/upstream-linus
* 'upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/ralf/upstream-linus:
[MIPS] XSS1500: Fix compilation
[MIPS] Bigsur: make defconfig more useful.
[MIPS] Alchemy: work around clock misdetection on early Au1000
[MIPS] Add missing 4KEC TLB refill handler
[MIPS] BCM1480: Fix PCI/HT IO access
[MIPS] Fix the installation condition of MIPS clocksource
[MIPS] Check for GCC r10k-cache-barrier support
[MIPS] I8253: Export i2853_lock to modules.
[MIPS] VPE loader: Check result of memory allocation.
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This patch corrects an error in the driver it8712f_wdt. You cannot set
the 16-bit WDT_TIMEOUT access as a 16-bit outw, because the byte
ordering will be wrong. So just do the high 8 bits as a separate
access.
Signed-off-by: Oliver Schuster <olivers137@aol.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* master.kernel.org:/home/rmk/linux-2.6-arm:
[ARM] 4875/1: Add MODULE_ALIAS to ixp4xx-beeper module
[ARM] 4873/1: Fix ITE 8152 interrupt demux
[ARM] 4878/1: Add oabi shim for fstatat64
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* 'release' of git://lm-sensors.org/kernel/mhoffman/hwmon-2.6:
hwmon: (w83781d) Fix I/O resource conflict with PNP
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* 'for-linus' of git://git.o-hand.com/linux-rpurdie-leds:
leds: Remove incorrect use of preempt_count() from leds-gpio
leds: Fix potential leds-gpio oops
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: make sure input interfaces pin parent input devices
Input: apm-power - fix crash when unloading modules
Input: pxa27x - fix keypad KPC macros
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Some time ago it turned out that our suspend code ordering broke some
NVidia-based systems that hung if _PTS was executed with one of the PCI
devices, specifically a USB controller, in a low power state.
Then, it was noticed that the suspend code ordering was not compliant
with ACPI 1.0, although it was compliant with ACPI 2.0 (and later), and
it was argued that the code had to be changed for that reason (ref.
http://bugzilla.kernel.org/show_bug.cgi?id=9528).
So we did, but evidently we did wrong, because it's now turning out that
some systems have been broken by this change. Refs:
http://bugzilla.kernel.org/show_bug.cgi?id=10340
https://bugzilla.novell.com/show_bug.cgi?id=374217#c16
[ I said at that time that something like this might happend, but the
majority of people involved thought that it was improbable due to the
necessity to preserve the compliance of hardware with ACPI 1.0. ]
This actually is a quite serious regression from 2.6.24.
Moreover, the ACPI 1.0 ordering of suspend code introduced another issue
that I have only noticed recently. Namely, if the suspend of one of
devices fails, the already suspended devices will be resumed without
executing _WAK before, which leads to problems on some systems (for
example, in such situations thermal management is broken on my HP
nx6325). Consequently, it also breaks suspend debugging on the affected
systems.
Note also, that the requirement to execute _PTS before suspending
devices does not really make sense, because the device in question may
be put into a low power state at run time for a reason unrelated to a
system-wide suspend.
For the reasons outlined above, the change of the suspend ordering
should be reverted, which is done by the patch below.
[ Felix Möller: "I am the reporter from the original Novell Bug:
https://bugzilla.novell.com/show_bug.cgi?id=374217
I just tried current git head (two hours ago) with the patch (the one
from the beginning of this thread) from Rafael and without it. With
the patch my MacBook does suspend without it does not." ]
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Tested-by: Felix Möller <felix@derklecks.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Plip uses spin_lock_irq/spin_unlock_irq in its IRQ handler (called from
parport IRQ handler), the latter enables interrupts without parport
subsystem IRQ handler expecting it.
The bug can be seen if you compile kernel with lock dependency checking
and use plip --- it produces a warning.
This patch changes it to spin_lock_irqsave/spin_lock_irqrestore, so that
it doesn't enable interrupts when already disabled.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This patch fixes the compilation of the Au1000 XSS1500
board setup and irqmap code.
Signed-off-by: Florian Fainelli <florian.fainelli@telecomint.eu>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Work around the CPU clock miscalculation on Au1000DA/HA/HB due the
sys_cpupll register being write-only, i.e. actually do what the comment
before cal_r4off() function advertised for years but the code failed at.
This is achieved by just giving user a chance to define the clock
explicitly in the board config. via CONFIG_SOC_AU1000_FREQUENCY option,
defaulting to 396 MHz if the option is not given...
The patch is based on the AMD's big unpublished patch, the issue seems to
be an undocumented errata (or feature :-)...
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Early 4KEc were MIPS32r1 and therefore need some love to get a TLB
refill handler.
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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