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Since there was added ->tcf_chain() method without ->bind_tcf() to
sch_sfq class options, there is oops when a filter is added with
the classid parameter.
Fixes commit 7d2681a6ff4f9ab5e48d02550b4c6338f1638998
netdev thread: null pointer at cls_api.c
Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
Reported-by: Franchoze Eric <franchoze@yandex.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Although netif_rx() isn't expected to be called in process context with
preemption enabled, it'd better handle this case. And this is why get_cpu()
is used in the non-RPS #ifdef branch. If tree RCU is selected,
rcu_read_lock() won't disable preemption, so preempt_disable() should be
called explictly.
Signed-off-by: Changli Gao <xiaosuo@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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tcp_parse_md5sig_option doesn't check md5sig option (TCPOPT_MD5SIG)
length, but tcp_v[46]_inbound_md5_hash assume that it's at least 16
bytes long.
Signed-off-by: Dmitry Popov <dp@highloadlab.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
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spin_is_locked() can return zero on some (UP?)
configurations because locks don't exist, and
that causes an endless amount of warnings. Use
lockdep_assert_held() instead, which has two
advantages:
1) it verifies the current task is holding
the lock or mutex
2) it compiles away completely when lockdep
is not enabled
Cc: stable@kernel.org [2.6.34+, maybe only parts of patch]
Reported-by: Thomas Meyer <thomas@m3y3r.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The TX tracing code copies with the wrong length,
which will typically copy too little data. Fix
this by using the correct length variable.
Cc: stable@kernel.org [2.6.32+]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The main motivation of this patch changing strcpy() to strlcpy().
We strcpy() to copy a 48 byte buffers into a 49 byte buffers. So at
best the last byte has leaked information, or maybe there is an
overflow? Anyway, this patch closes the information leaks by zeroing
the memory and the calls to strlcpy() prevent overflows.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The netpoll_rx_on() check in __napi_gro_receive() skips part of the
"common" GRO_NORMAL path, especially "pull:" in dev_gro_receive(),
where at least eth header should be copied for entirely paged skbs.
Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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With turned on hspa modem (Dell 5530 internal card) and activated usb auto
suspend, my system gets up 100 "usbnet_resume has delayed data" per
minute. I didnt noticed any pathological behaviour, so just drop
this message. if any objections, please at least change it to _DEBUG.
Signed-off-by: Christian Samsel <christian.samsel@rwth-aachen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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ieee80211_beacon_get can return NULL...
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Cc: stable@kernel.org
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So long.
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Fix this leftover TODO from the cfg80211 conversion by doing a scan
if cfg80211 didn't pass in the BSSID for us. Since the scan code
uses so much of the cfg80211_scan_request structure to build up the
firmware command, we just fake one when the scan request is triggered
internally. But we need to make sure that internal 'fake' cfg82011
scan request does not get back to cfg82011 via cfg80211_scan_done().
Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Some APs get pissy if you don't send the firmware the extended rates
in the association request's rates TLV. Found this on a Linksys
WRT54G v2; it denies association with status code 18 unless you
add the extended rates too. The old driver did this, but it got
lost in the cfg80211 conversion.
Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Let's actually check the right field in the command response; and
if there aren't any reported BSSes, exit early with success.
Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/holtmann/bluetooth-next-2.6
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I often use "ethtool -i" command to check what driver controls the
ehternet device. But because current virtio_net driver doesn't
support "ethtool -i", it becomes the following:
# ethtool -i eth3
Cannot get driver information: Operation not supported
This patch simply adds the "ethtool -i" support. The following is the
result when using the virtio_net driver with my patch applied to.
# ethtool -i eth3
driver: virtio_net
version: N/A
firmware-version: N/A
bus-info: virtio0
Personally, "-i" is one of the most frequently-used option, and most
network drivers support "ethtool -i", so I think virtio_net also
should do.
Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (use ARRAY_SIZE)
Signed-off-by: David S. Miller <davem@davemloft.net>
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The PPP channel ops structure should be const.
Cleanup the declarations to use standard C99 format.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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RxRPC can potentially deadlock as rxrpc_resend_time_expired() wants to get
call->state_lock so that it can alter the state of an RxRPC call. However, its
caller (call_timer_fn()) has an apparent lock on the timer struct.
The problem is that rxrpc_resend_time_expired() isn't permitted to lock
call->state_lock as this could cause a deadlock against rxrpc_send_abort() as
that takes state_lock and then attempts to delete the resend timer by calling
del_timer_sync().
The deadlock can occur because del_timer_sync() will sit there forever waiting
for rxrpc_resend_time_expired() to return, but the latter may then wait for
call->state_lock, which rxrpc_send_abort() holds around del_timer_sync()...
This leads to a warning appearing in the kernel log that looks something like
the attached.
It should be sufficient to simply dispense with the locks. It doesn't matter
if we set the resend timer expired event bit and queue the event processor
whilst we're changing state to one where the resend timer is irrelevant as the
event can just be ignored by the processor thereafter.
=======================================================
[ INFO: possible circular locking dependency detected ]
2.6.35-rc3-cachefs+ #115
-------------------------------------------------------
swapper/0 is trying to acquire lock:
(&call->state_lock){++--..}, at: [<ffffffffa00200d4>] rxrpc_resend_time_expired+0x56/0x96 [af_rxrpc]
but task is already holding lock:
(&call->resend_timer){+.-...}, at: [<ffffffff8103b675>] run_timer_softirq+0x182/0x2a5
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #1 (&call->resend_timer){+.-...}:
[<ffffffff810560bc>] __lock_acquire+0x889/0x8fa
[<ffffffff81056184>] lock_acquire+0x57/0x6d
[<ffffffff8103bb9c>] del_timer_sync+0x3c/0x86
[<ffffffffa002bb7a>] rxrpc_send_abort+0x50/0x97 [af_rxrpc]
[<ffffffffa002bdd9>] rxrpc_kernel_abort_call+0xa1/0xdd [af_rxrpc]
[<ffffffffa0061588>] afs_deliver_to_call+0x129/0x368 [kafs]
[<ffffffffa006181b>] afs_process_async_call+0x54/0xff [kafs]
[<ffffffff8104261d>] worker_thread+0x1ef/0x2e2
[<ffffffff81045f47>] kthread+0x7a/0x82
[<ffffffff81002cd4>] kernel_thread_helper+0x4/0x10
-> #0 (&call->state_lock){++--..}:
[<ffffffff81055237>] validate_chain+0x727/0xd23
[<ffffffff810560bc>] __lock_acquire+0x889/0x8fa
[<ffffffff81056184>] lock_acquire+0x57/0x6d
[<ffffffff813e6b69>] _raw_read_lock_bh+0x34/0x43
[<ffffffffa00200d4>] rxrpc_resend_time_expired+0x56/0x96 [af_rxrpc]
[<ffffffff8103b6e6>] run_timer_softirq+0x1f3/0x2a5
[<ffffffff81036828>] __do_softirq+0xa2/0x13e
[<ffffffff81002dcc>] call_softirq+0x1c/0x28
[<ffffffff810049f0>] do_softirq+0x38/0x80
[<ffffffff810361a2>] irq_exit+0x45/0x47
[<ffffffff81018fb3>] smp_apic_timer_interrupt+0x88/0x96
[<ffffffff81002893>] apic_timer_interrupt+0x13/0x20
[<ffffffff810011ac>] cpu_idle+0x4d/0x83
[<ffffffff813e06f3>] start_secondary+0x1bd/0x1c1
other info that might help us debug this:
1 lock held by swapper/0:
#0: (&call->resend_timer){+.-...}, at: [<ffffffff8103b675>] run_timer_softirq+0x182/0x2a5
stack backtrace:
Pid: 0, comm: swapper Not tainted 2.6.35-rc3-cachefs+ #115
Call Trace:
<IRQ> [<ffffffff81054414>] print_circular_bug+0xae/0xbd
[<ffffffff81055237>] validate_chain+0x727/0xd23
[<ffffffff810560bc>] __lock_acquire+0x889/0x8fa
[<ffffffff810539a7>] ? mark_lock+0x42f/0x51f
[<ffffffff81056184>] lock_acquire+0x57/0x6d
[<ffffffffa00200d4>] ? rxrpc_resend_time_expired+0x56/0x96 [af_rxrpc]
[<ffffffff813e6b69>] _raw_read_lock_bh+0x34/0x43
[<ffffffffa00200d4>] ? rxrpc_resend_time_expired+0x56/0x96 [af_rxrpc]
[<ffffffffa00200d4>] rxrpc_resend_time_expired+0x56/0x96 [af_rxrpc]
[<ffffffff8103b6e6>] run_timer_softirq+0x1f3/0x2a5
[<ffffffff8103b675>] ? run_timer_softirq+0x182/0x2a5
[<ffffffffa002007e>] ? rxrpc_resend_time_expired+0x0/0x96 [af_rxrpc]
[<ffffffff810367ef>] ? __do_softirq+0x69/0x13e
[<ffffffff81036828>] __do_softirq+0xa2/0x13e
[<ffffffff81002dcc>] call_softirq+0x1c/0x28
[<ffffffff810049f0>] do_softirq+0x38/0x80
[<ffffffff810361a2>] irq_exit+0x45/0x47
[<ffffffff81018fb3>] smp_apic_timer_interrupt+0x88/0x96
[<ffffffff81002893>] apic_timer_interrupt+0x13/0x20
<EOI> [<ffffffff81049de1>] ? __atomic_notifier_call_chain+0x0/0x86
[<ffffffff8100955b>] ? mwait_idle+0x6e/0x78
[<ffffffff81009552>] ? mwait_idle+0x65/0x78
[<ffffffff810011ac>] cpu_idle+0x4d/0x83
[<ffffffff813e06f3>] start_secondary+0x1bd/0x1c1
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The packet length should be checked before the packet data is dereferenced.
Signed-off-by: Changli Gao <xiaosuo@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The packet length should be checked before the packet data is dereferenced.
Signed-off-by: Changli Gao <xiaosuo@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The packet length should be checked before the packet data is dereferenced.
Signed-off-by: Changli Gao <xiaosuo@gmail.com>
Acked-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Changli Gao <xiaosuo@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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On the TX path, skb->data points to the ethernet header, not the network
header. So when validating the packet length for accessing we should
take the ethernet header into account.
Signed-off-by: Changli Gao <xiaosuo@gmail.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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free_netdev finally calls kfree which makes the contents
of ndev and priv (private data contained in ndev) invalid.
So iounmap should be called before free_netdev.
Cc: David S. Miller <davem@davemloft.net>
Cc: Chaithrika U S <chaithrika@ti.com>
Cc: Sriramakrishnan <srk@ti.com>
Cc: Kevin Hilman <khilman@deeprootsystems.com>
Cc: netdev@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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IRQ and resource[] may not have correct values until
after PCI hotplug setup occurs at pci_enable_device() time.
The semantic match that finds this problem is as follows:
// <smpl>
@@
identifier x;
identifier request ~= "pci_request.*|pci_resource.*";
@@
(
* x->irq
|
* x->resource
|
* request(x, ...)
)
...
*pci_enable_device(x)
// </smpl>
Signed-off-by: Kulikov Vasiliy <segooon@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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IRQ and resource[] may not have correct values until
after PCI hotplug setup occurs at pci_enable_device() time.
The semantic match that finds this problem is as follows:
// <smpl>
@@
identifier x;
identifier request ~= "pci_request.*|pci_resource.*";
@@
(
* x->irq
|
* x->resource
|
* request(x, ...)
)
...
*pci_enable_device(x)
// </smpl>
Signed-off-by: Kulikov Vasiliy <segooon@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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IRQ and resource[] may not have correct values until
after PCI hotplug setup occurs at pci_enable_device() time.
The semantic match that finds this problem is as follows:
// <smpl>
@@
identifier x;
identifier request ~= "pci_request.*|pci_resource.*";
@@
(
* x->irq
|
* x->resource
|
* request(x, ...)
)
...
*pci_enable_device(x)
// </smpl>
Signed-off-by: Kulikov Vasiliy <segooon@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (48 commits)
Documentation: update broken web addresses.
fix comment typo "choosed" -> "chosen"
hostap:hostap_hw.c Fix typo in comment
Fix spelling contorller -> controller in comments
Kconfig.debug: FAIL_IO_TIMEOUT: typo Faul -> Fault
fs/Kconfig: Fix typo Userpace -> Userspace
Removing dead MACH_U300_BS26
drivers/infiniband: Remove unnecessary casts of private_data
fs/ocfs2: Remove unnecessary casts of private_data
libfc: use ARRAY_SIZE
scsi: bfa: use ARRAY_SIZE
drm: i915: use ARRAY_SIZE
drm: drm_edid: use ARRAY_SIZE
synclink: use ARRAY_SIZE
block: cciss: use ARRAY_SIZE
comment typo fixes: charater => character
fix comment typos concerning "challenge"
arm: plat-spear: fix typo in kerneldoc
reiserfs: typo comment fix
update email address
...
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (30 commits)
Revert "HID: add support for the Wacom Intuos 4 wireless"
HID: fix up Kconfig entry for ACRUX driver
HID: add ACRUX game controller force feedback support
HID: Force input registration for "VEC footpedal"
HID: add HID_QUIRK_HIDINPUT_FORCE
HID: hid-input.c: indentation fixes
HID: hiddev: use usb_find_interface, get rid of BKL
HID: ignore digitizer usage Undefined (0x00)
HID: Add support for Conceptronic CLLRCMCE
HID: hid-ids.h: Whitespace fixup, align using TABs
HID: picolcd: implement refcounting of framebuffer
HID: picolcd: do not reallocate memory on depth change
HID: picolcd: Add minimal palette required by fbcon on 8bpp
HID: magicmouse: Correct parsing of large X and Y motions.
HID: magicmouse: report last touch up
HID: picolcd: fix deferred_io init/cleanup to fb ordering
HID: hid-ids.h: keep vendor ids in alphabetical order
HID: add proper support for Elecom BM084 bluetooth mouse
HID: magicmouse: enable horizontal scrolling
HID: magicmouse: add param for scroll speed
...
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* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (39 commits)
random: Reorder struct entropy_store to remove padding on 64bits
padata: update API documentation
padata: Remove padata_get_cpumask
crypto: pcrypt - Update pcrypt cpumask according to the padata cpumask notifier
crypto: pcrypt - Rename pcrypt_instance
padata: Pass the padata cpumasks to the cpumask_change_notifier chain
padata: Rearrange set_cpumask functions
padata: Rename padata_alloc functions
crypto: pcrypt - Dont calulate a callback cpu on empty callback cpumask
padata: Check for valid cpumasks
padata: Allocate cpumask dependend recources in any case
padata: Fix cpu index counting
crypto: geode_aes - Convert pci_table entries to PCI_VDEVICE (if PCI_ANY_ID is used)
pcrypt: Added sysfs interface to pcrypt
padata: Added sysfs primitives to padata subsystem
padata: Make two separate cpumasks
padata: update documentation
padata: simplify serialization mechanism
padata: make padata_do_parallel to return zero on success
padata: Handle empty padata cpumasks
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu:
percpu: allow limited allocation before slab is online
percpu: make @dyn_size always mean min dyn_size in first chunk init functions
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* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (276 commits)
[SCSI] zfcp: Trigger logging in the FCP channel on qdio error conditions
[SCSI] zfcp: Introduce experimental support for DIF/DIX
[SCSI] zfcp: Enable data division support for FCP devices
[SCSI] zfcp: Prevent access on uninitialized memory.
[SCSI] zfcp: Post events through FC transport class
[SCSI] zfcp: Cleanup QDIO attachment and improve processing.
[SCSI] zfcp: Cleanup function parameters for sbal value.
[SCSI] zfcp: Use correct width for timer_interval field
[SCSI] zfcp: Remove SCSI device when removing unit
[SCSI] zfcp: Use memdup_user and kstrdup
[SCSI] zfcp: Fix retry after failed "open port" erp action
[SCSI] zfcp: Fail erp after timeout
[SCSI] zfcp: Use forced_reopen in terminate_rport_io callback
[SCSI] zfcp: Register SCSI devices after successful fc_remote_port_add
[SCSI] zfcp: Do not try "forced close" when port is already closed
[SCSI] zfcp: Do not unblock rport from REOPEN_PORT_FORCED
[SCSI] sd: add support for runtime PM
[SCSI] implement runtime Power Management
[SCSI] convert to the new PM framework
[SCSI] Unify SAM_ and SAM_STAT_ macros
...
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82ca9341763107615a15da6e59b9535d49eb91c3 added scary looking
but harmless error messages. Make them clearer and make the
actual failure message show up with the same severity as the
harmless one.
Signed-off-by: Andy Lutomirski <luto@mit.edu>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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IRQ and resource[] may not have correct values until
after PCI hotplug setup occurs at pci_enable_device() time.
The semantic match that finds this problem is as follows:
// <smpl>
@@
identifier x;
identifier request ~= "pci_request.*|pci_resource.*";
@@
(
* x->irq
|
* x->resource
|
* request(x, ...)
)
...
*pci_enable_device(x)
// </smpl>
Signed-off-by: Kulikov Vasiliy <segooon@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The warning is:
net/mac80211/main.c:688: warning: label ‘fail_ifa’ defined but not used
Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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If kzalloc() fails return with -ENOMEM from ipw2100_net_init() which is
called by register_netdev.
CC: Dan Carpenter <error27@gmail.com>
Signed-off-by: Christoph Fritz <chf.fritz@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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ath9k_rx_skb_preprocess nulls rxs and the mactime is never set again -
mactime is always 0. This causes problems in IBSS mode.
ieee80211_rx_bss_info uses mactime to decide if an IBSS merge is needed.
Without this patch the merge is triggered by each beacon received.
This can be recognized by the "beacon TSF higher than local TSF - IBSS
merge with BSSID" log message accompanying each beacon.
This problem was not completely fixed in commit
a6d2055b02dde1067075795274672720baadd3ca and is not a stable kernel fix.
It is solely intended for wireless-testing.
Signed-off-by: Jan Friedrich <jft@dev2day.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The SMC2802W appears to work with p54pci.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Tested-by: David Cozatt <olbrannon@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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I noticed a possible issue in the paused flag management of the
ath_atx_tid data structure. In particular, in a noisy environment and
under heavy load, I observed that the AGGR session establishment could
fail several times consecutively causing values of the paused flag
greater than one for this TID (ath_tx_pause_tid is called more than
once from ath_tx_aggr_start).
Considering that the session for this TID can not be established also
after the mac80211 stack calls the ieee80211_agg_tx_operational() since
the ath_tx_aggr_resume() lowers the paused flag only by one.
This patch also replaces some BUG_ON calls with WARN_ON, as even if
these unlikely conditions happen, it's not fatal enough to justify a
BUG_ON.
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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AR9003 was not relying on the CTL indexes from the EEPROM for capping the
max output power. The CTL indexes from the EEPROM provide calibrated
limits for output power for each tested and supported frequency. Without
this the device operates at a power level which only conforms to the
transmit spectrum mask as specified by IEEE Annex I.2.3.
The regulatory limit by CRDA is always used but does not provide
calibrated values for optimal performance, specially on band edges.
Using the calibrated data from the EEPROM ensures the device
operates at optimal output power while still ensuring proper
regulatory compliance. The device uses the minimum of these tree
values, the value from CRDA, the calibrated value from CTL indexex,
and the value to conform to the IEEE transmit spectrum mask.
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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wl1271_dump() uses cmd after kfree(cmd). Move kfree() just after
wl1271_dump().
Signed-off-by: Kulikov Vasiliy <segooon@gmail.com>
Acked-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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small typo fix in ucode_bt_stats_read debugfs file
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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It is a uCode bug which cause the tx queue id not match scd_flow
in compressed block ack frame, and it need to be addressed in uCode.
Currently, driver will log the information when it happen.
Since it is possible happen very often and we do not want to fill the syslog,
so don't enable the logging by default.
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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When iwlwifi is compiled w/o debug, we get
this warning:
iwl-agn.c: In function ‘iwlagn_load_firmware’:
iwl-agn.c:2014: warning: passing argument 3 of ‘iwl_print_hex_dump’ discards qualifiers from pointer target type
iwl-debug.h:73: note: expected ‘void *’ but argument is of type ‘const u8 *’
because the const qualifier is missing in the
inline stub. Fix this.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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On AR5008-AR9002, other forms of calibration must not be started while
the noise floor calibration is running, as this can create invalid
readings which were sometimes not even recoverable by any further
calibration attempts.
This patch also ensures that the result of noise floor measurements
are processed faster and also allows the result of the initial
calibration on reset to make it into the NF history buffer
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The noise floor history buffer is currently not kept per channel, which
can lead to problems when changing channels from a clean channel to a
noisy one. Also when switching from HT20 to HT40, the noise floor
history buffer is full of measurements, but none of them contain data
for the extension channel, which it needs quite a bit of time to recover
from.
This patch puts all the per-channel calibration data into a single data
structure, and gives the the driver control over whether that is used
per-channel or even not used for some channels.
For ath9k_htc, I decided to keep this per-channel in order to avoid
creating regressions.
For ath9k, the data is kept only for the operating channel, which saves
some space. ath9k_hw takes care of wiping old data when the operating
channel or its channel flags change.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Previously the software scan callback was used to indicate to the hardware,
when it was safe to calibrate. This didn't really work properly, because it
depends on a specific order of software scan callbacks vs. channel changes.
Also, software scans are not the only thing that triggers off-channel
activity, so it's better to use the newly added indication from mac80211 for
this and not use the software scan callback for anything calibration related.
This fixes at least some of the invalid noise floor readings that I've seen
in AP mode on AR9160
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Writes to the analog shift registers, which are issues by the initval
programming function, require a 100 usec delay (similar to AR9002,
but in a different register range).
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Acked-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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When updating the PAPRD table in hardware, PAPRD itself needs to be
disabled first, otherwise the hardware can throw a data bus error,
which upsets at least some platforms.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Acked-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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