| Commit message (Collapse) | Author | Age | Files | Lines |
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The clock driver usually complains when a clock is being prepared
before setting its rate. It is the case here for "core_clk" which
needs to be set at 19.2 MHz before we attempt a prepare_enable().
Signed-off-by: Stephane Viau <sviau@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
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The C99 specification states in section 6.11.5:
The placement of a storage-class specifier other than at the beginning
of the declaration specifiers in a declaration is an obsolescent
feature.
Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Cc: David Airlie <airlied@linux.ie>
Cc: dri-devel@lists.freedesktop.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Rob Clark <robdclark@gmail.com>
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This patch helps to avoid the following build issue:
drivers/gpu/drm/msm/msm_fbdev.c:108:2: error: passing argument 3 of 'msm_gem_get_iova_locked' from incompatible pointer type [-Werror]
msm_gem_get_iova_locked(fbdev->bo, 0, &paddr);
^
In file included from drivers/gpu/drm/msm/msm_fbdev.c:18:0:
drivers/gpu/drm/msm/msm_drv.h:153:5: note: expected 'uint32_t *' but argument is of type 'dma_addr_t *'
int msm_gem_get_iova_locked(struct drm_gem_object *obj, int id,
^
Signed-off-by: Matwey V. Kornilov <matwey@sai.msu.ru>
Signed-off-by: Rob Clark <robdclark@gmail.com>
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If user uses wrong ioctl command with _IOC_NONE and argument size
greater than 0, it can cause NULL pointer access from memset of line
463. If _IOC_NONE, don't memset to 0 for kdata.
Signed-off-by: Zhaowei Yuan <zhaowei.yuan@samsung.com>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Pull block fixes from Jens Axboe:
"A small collection of fixes/changes for the current series. This
contains:
- Removal of dead code from Gu Zheng.
- Revert of two bad fixes that went in earlier in this round, marking
things as __init that were not purely used from init.
- A fix for blk_mq_start_hw_queue() using the __blk_mq_run_hw_queue(),
which could place us wrongly. Make it use the non __ variant,
which handles cases where we are called from the wrong CPU set.
From me.
- A fix for drbd, which allocates discard requests without room for
the SCSI payload. From Lars Ellenberg.
- A fix for user-after-free in the blkcg code from Tejun.
- Addition of limiting gaps in SG lists, if the hardware needs it.
This is the last pre-req patch for blk-mq to enable the full NVMe
conversion. Could wait until 3.17, but it's simple enough so would
be nice to have everything we need for the NVMe port in the 3.17
release. From me"
* 'for-linus' of git://git.kernel.dk/linux-block:
drbd: fix NULL pointer deref in blk_add_request_payload
blk-mq: blk_mq_start_hw_queue() should use blk_mq_run_hw_queue()
block: add support for limiting gaps in SG lists
bio: remove unused macro bip_vec_idx()
Revert "block: add __init to elv_register"
Revert "block: add __init to blkcg_policy_register"
blkcg: fix use-after-free in __blkg_release_rcu() by making blkcg_gq refcnt an atomic_t
floppy: format block0 read error message properly
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Discards don't have any payload.
But the scsi layer still expects a bio_vec it can use internally,
see sd_setup_discard_cmnd() and blk_add_request_payload().
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/linux-block into for-linus
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In case reading of block 0 fails, line without trailing newline
is printed causing dmesg to look horrible.
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fixes from Guenter Roeck:
"Various minor fixes"
* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (gpio-fan) Change name used in hwmon_device_register_with_groups
hwmon: (emc1403) Fix missing 'select REGMAP_I2C' in Kconfig
hwmon: (ntc_thermistor) Use the manufacturer name properly
devicetree: bindings: Document murata vendor prefix
hwmon: (w83l786ng) Report correct minimum fan speed
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Since commit 648cd48c9e566f53c5df30d79857e0937ae13b09
The hwmon name attributes must not include '-' so the name must be
rename from gpio-fan to gpio_fan
Signed-off-by: Julien D'Ascenzio <jdascenzio@yahoo.fr>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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In commit 4cab259f, the emc1403 driver was converted to use regmap but the
necessary Kconfig option was not added.
Signed-off-by: Josef Gajdusek <atx@atx.name>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Murata Manufacturing Co., Ltd is the vendor for
NTC (Negative Temperature coefficient) based Thermistors.
But, the driver extensively uses "NTC" as the vendor name.
This patch corrects the vendor name also updates the
compatibility strings according to the vendor-prefix.txt
Note: Drivers continue to support the previous compatible strings
but further addition of these compatible strings in device tree
is deprecated.
Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com>
Reviewed-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Current code is buggy, it shows the current fan speed as minimum fan speed.
Fix up show_fan_reg macro to correctly report fan and fan_min speed.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Kevin Lo <kevlo@kevlo.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Pull networking fixes from David Miller:
1) Fix crash in ipvs tot_stats estimator, from Julian Anastasov.
2) Fix OOPS in nf_nat on netns removal, from Florian Westphal.
3) Really really really fix locking issues in slip and slcan tty write
wakeups, from Tyler Hall.
4) Fix checksum offloading in fec driver, from Fugang Duan.
5) Off by one in BPF instruction limit test, from Kees Cook.
6) Need to clear all TSO capability flags when doing software TSO in
tg3 driver, from Prashant Sreedharan.
7) Fix memory leak in vlan_reorder_header() error path, from Li
RongQing.
8) Fix various bugs in xen-netfront and xen-netback multiqueue support,
from David Vrabel and Wei Liu.
9) Fix deadlock in cxgb4 driver, from Li RongQing.
10) Prevent double free of no-cache DST entries, from Eric Dumazet.
11) Bad csum_start handling in skb_segment() leads to crashes when
forwarding, from Tom Herbert.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (76 commits)
net: fix setting csum_start in skb_segment()
ipv4: fix dst race in sk_dst_get()
net: filter: Use kcalloc/kmalloc_array to allocate arrays
trivial: net: filter: Change kerneldoc parameter order
trivial: net: filter: Fix typo in comment
net: allwinner: emac: Add missing free_irq
cxgb4: use dev_port to identify ports
xen-netback: bookkeep number of active queues in our own module
tg3: Change nvram command timeout value to 50ms
cxgb4: Not need to hold the adap_rcu_lock lock when read adap_rcu_list
be2net: fix qnq mode detection on VFs
of: mdio: fixup of_phy_register_fixed_link parsing of new bindings
at86rf230: fix irq setup
net: phy: at803x: fix coccinelle warnings
net/mlx4_core: Fix the error flow when probing with invalid VF configuration
tulip: Poll link status more frequently for Comet chips
net: huawei_cdc_ncm: increase command buffer size
drivers: net: cpsw: fix dual EMAC stall when connected to same switch
xen-netfront: recreate queues correctly when reconnecting
xen-netfront: fix oops when disconnected from backend
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If the mdio probe function fails in emac_open, the interrupt we just requested
isn't freed. If emac_open is called again, for example because we try to set up
the interface again, the kernel will oops because the interrupt wasn't properly
released.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Cc: <stable@vger.kernel.org> # 3.11+
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit 3f85944fe207d0225ef21a2c0951d4946fc9a95d ("net: Add sysfs file
for port number") introduce dev_port to network devices. cxgb4 adapters
have multiple ports on the same PCI function, and used dev_id to
identify those ports. That use was removed by commit
8c367fcbe6549195d2eb11e62bea233f811aad41 ("cxgb4: Do not set
net_device::dev_id to VI index"), since dev_id should be used only when
devices share the same MAC address.
Using dev_port for cxgb4 allows different ports on the same PCI function
to be identified.
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The original code uses netdev->real_num_tx_queues to bookkeep number of
queues and invokes netif_set_real_num_tx_queues to set the number of
queues. However, netif_set_real_num_tx_queues doesn't allow
real_num_tx_queues to be smaller than 1, which means setting the number
to 0 will not work and real_num_tx_queues is untouched.
This is bogus when xenvif_free is invoked before any number of queues is
allocated. That function needs to iterate through all queues to free
resources. Using the wrong number of queues results in NULL pointer
dereference.
So we bookkeep the number of queues in xen-netback to solve this
problem. This fixes a regression introduced by multiqueue patchset in
3.16-rc1.
There's another bug in original code that the real number of RX queues
is never set. In current Xen multiqueue design, the number of TX queues
and RX queues are in fact the same. We need to set the numbers of TX and
RX queues to the same value.
Also remove xenvif_select_queue and leave queue selection to core
driver, as suggested by David Miller.
Reported-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Wei Liu <wei.liu2@citrix.com>
CC: Ian Campbell <ian.campbell@citrix.com>
CC: Paul Durrant <paul.durrant@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit 506724c463fcd63477a5e404728a980b71f80bb7 "tg3: Override clock,
link aware and link idle mode during NVRAM dump" changed the timeout
value for nvram command execution from 100ms to 1ms. But the 1ms
timeout value was only sufficient for nvram read operations but not
write operations for most of the devices supported by tg3 driver.
This patch sets the MAX to 50ms. Also it uses usleep_range instead
of udelay.
Signed-off-by: Prashant Sreedharan <prashant@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Suggested-by: David Miller <davem@davemloft.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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cxgb4_netdev maybe lead to dead lock, since it uses a spin lock, and be called
in both thread and softirq context, but not disable BH, the lockdep report is
below; In fact, cxgb4_netdev only reads adap_rcu_list with RCU protection, so
not need to hold spin lock again.
=================================
[ INFO: inconsistent lock state ]
3.14.7+ #24 Tainted: G C O
---------------------------------
inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage.
radvd/3794 [HC0[0]:SC1[1]:HE1:SE0] takes:
(adap_rcu_lock){+.?...}, at: [<ffffffffa09989ea>] clip_add+0x2c/0x116 [cxgb4]
{SOFTIRQ-ON-W} state was registered at:
[<ffffffff810fca81>] __lock_acquire+0x34a/0xe48
[<ffffffff810fd98b>] lock_acquire+0x82/0x9d
[<ffffffff815d6ff8>] _raw_spin_lock+0x34/0x43
[<ffffffffa09989ea>] clip_add+0x2c/0x116 [cxgb4]
[<ffffffffa0998beb>] cxgb4_inet6addr_handler+0x117/0x12c [cxgb4]
[<ffffffff815da98b>] notifier_call_chain+0x32/0x5c
[<ffffffff815da9f9>] __atomic_notifier_call_chain+0x44/0x6e
[<ffffffff815daa32>] atomic_notifier_call_chain+0xf/0x11
[<ffffffff815b1356>] inet6addr_notifier_call_chain+0x16/0x18
[<ffffffffa01f72e5>] ipv6_add_addr+0x404/0x46e [ipv6]
[<ffffffffa01f8df0>] addrconf_add_linklocal+0x5f/0x95 [ipv6]
[<ffffffffa01fc3e9>] addrconf_notify+0x632/0x841 [ipv6]
[<ffffffff815da98b>] notifier_call_chain+0x32/0x5c
[<ffffffff810e09a1>] __raw_notifier_call_chain+0x9/0xb
[<ffffffff810e09b2>] raw_notifier_call_chain+0xf/0x11
[<ffffffff8151b3b7>] call_netdevice_notifiers_info+0x4e/0x56
[<ffffffff8151b3d0>] call_netdevice_notifiers+0x11/0x13
[<ffffffff8151c0a6>] netdev_state_change+0x1f/0x38
[<ffffffff8152f004>] linkwatch_do_dev+0x3b/0x49
[<ffffffff8152f184>] __linkwatch_run_queue+0x10b/0x144
[<ffffffff8152f1dd>] linkwatch_event+0x20/0x27
[<ffffffff810d7bc0>] process_one_work+0x1cb/0x2ee
[<ffffffff810d7e3b>] worker_thread+0x12e/0x1fc
[<ffffffff810dd391>] kthread+0xc4/0xcc
[<ffffffff815dc48c>] ret_from_fork+0x7c/0xb0
irq event stamp: 3388
hardirqs last enabled at (3388): [<ffffffff810c6c85>]
__local_bh_enable_ip+0xaa/0xd9
hardirqs last disabled at (3387): [<ffffffff810c6c2d>]
__local_bh_enable_ip+0x52/0xd9
softirqs last enabled at (3288): [<ffffffffa01f1d5b>]
rcu_read_unlock_bh+0x0/0x2f [ipv6]
softirqs last disabled at (3289): [<ffffffff815ddafc>]
do_softirq_own_stack+0x1c/0x30
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0
----
lock(adap_rcu_lock);
<Interrupt>
lock(adap_rcu_lock);
*** DEADLOCK ***
5 locks held by radvd/3794:
#0: (sk_lock-AF_INET6){+.+.+.}, at: [<ffffffffa020b85a>]
rawv6_sendmsg+0x74b/0xa4d [ipv6]
#1: (rcu_read_lock){.+.+..}, at: [<ffffffff8151ac6b>]
rcu_lock_acquire+0x0/0x29
#2: (rcu_read_lock){.+.+..}, at: [<ffffffffa01f4cca>]
rcu_lock_acquire.constprop.16+0x0/0x30 [ipv6]
#3: (rcu_read_lock){.+.+..}, at: [<ffffffff810e09b4>]
rcu_lock_acquire+0x0/0x29
#4: (rcu_read_lock){.+.+..}, at: [<ffffffffa0998782>]
rcu_lock_acquire.constprop.40+0x0/0x30 [cxgb4]
stack backtrace:
CPU: 7 PID: 3794 Comm: radvd Tainted: G C O 3.14.7+ #24
Hardware name: Supermicro X7DBU/X7DBU, BIOS 6.00 12/03/2007
ffffffff81f15990 ffff88012fdc36a8 ffffffff815d0016 0000000000000006
ffff8800c80dc2a0 ffff88012fdc3708 ffffffff815cc727 0000000000000001
0000000000000001 ffff880100000000 ffffffff81015b02 ffff8800c80dcb58
Call Trace:
<IRQ> [<ffffffff815d0016>] dump_stack+0x4e/0x71
[<ffffffff815cc727>] print_usage_bug+0x1ec/0x1fd
[<ffffffff81015b02>] ? save_stack_trace+0x27/0x44
[<ffffffff810fbfaa>] ? check_usage_backwards+0xa0/0xa0
[<ffffffff810fc640>] mark_lock+0x11b/0x212
[<ffffffff810fca0b>] __lock_acquire+0x2d4/0xe48
[<ffffffff810fbfaa>] ? check_usage_backwards+0xa0/0xa0
[<ffffffff810fbff6>] ? check_usage_forwards+0x4c/0xa6
[<ffffffff810c6c8a>] ? __local_bh_enable_ip+0xaf/0xd9
[<ffffffff810fd98b>] lock_acquire+0x82/0x9d
[<ffffffffa09989ea>] ? clip_add+0x2c/0x116 [cxgb4]
[<ffffffffa0998782>] ? rcu_read_unlock+0x23/0x23 [cxgb4]
[<ffffffff815d6ff8>] _raw_spin_lock+0x34/0x43
[<ffffffffa09989ea>] ? clip_add+0x2c/0x116 [cxgb4]
[<ffffffffa09987b0>] ? rcu_lock_acquire.constprop.40+0x2e/0x30 [cxgb4]
[<ffffffffa0998782>] ? rcu_read_unlock+0x23/0x23 [cxgb4]
[<ffffffffa09989ea>] clip_add+0x2c/0x116 [cxgb4]
[<ffffffffa0998beb>] cxgb4_inet6addr_handler+0x117/0x12c [cxgb4]
[<ffffffff810fd99d>] ? lock_acquire+0x94/0x9d
[<ffffffff810e09b4>] ? raw_notifier_call_chain+0x11/0x11
[<ffffffff815da98b>] notifier_call_chain+0x32/0x5c
[<ffffffff815da9f9>] __atomic_notifier_call_chain+0x44/0x6e
[<ffffffff815daa32>] atomic_notifier_call_chain+0xf/0x11
[<ffffffff815b1356>] inet6addr_notifier_call_chain+0x16/0x18
[<ffffffffa01f72e5>] ipv6_add_addr+0x404/0x46e [ipv6]
[<ffffffff810fde6a>] ? trace_hardirqs_on+0xd/0xf
[<ffffffffa01fb634>] addrconf_prefix_rcv+0x385/0x6ea [ipv6]
[<ffffffffa0207950>] ndisc_rcv+0x9d3/0xd76 [ipv6]
[<ffffffffa020d536>] icmpv6_rcv+0x592/0x67b [ipv6]
[<ffffffff810c6c85>] ? __local_bh_enable_ip+0xaa/0xd9
[<ffffffff810c6c85>] ? __local_bh_enable_ip+0xaa/0xd9
[<ffffffff810fd8dc>] ? lock_release+0x14e/0x17b
[<ffffffffa020df97>] ? rcu_read_unlock+0x21/0x23 [ipv6]
[<ffffffff8150df52>] ? rcu_read_unlock+0x23/0x23
[<ffffffffa01f4ede>] ip6_input_finish+0x1e4/0x2fc [ipv6]
[<ffffffffa01f540b>] ip6_input+0x33/0x38 [ipv6]
[<ffffffffa01f5557>] ip6_mc_input+0x147/0x160 [ipv6]
[<ffffffffa01f4ba3>] ip6_rcv_finish+0x7c/0x81 [ipv6]
[<ffffffffa01f5397>] ipv6_rcv+0x3a1/0x3e2 [ipv6]
[<ffffffff8151ef96>] __netif_receive_skb_core+0x4ab/0x511
[<ffffffff810fdc94>] ? mark_held_locks+0x71/0x99
[<ffffffff8151f0c0>] ? process_backlog+0x69/0x15e
[<ffffffff8151f045>] __netif_receive_skb+0x49/0x5b
[<ffffffff8151f0cf>] process_backlog+0x78/0x15e
[<ffffffff8151f571>] ? net_rx_action+0x1a2/0x1cc
[<ffffffff8151f47b>] net_rx_action+0xac/0x1cc
[<ffffffff810c69b7>] ? __do_softirq+0xad/0x218
[<ffffffff810c69ff>] __do_softirq+0xf5/0x218
[<ffffffff815ddafc>] do_softirq_own_stack+0x1c/0x30
<EOI> [<ffffffff810c6bb6>] do_softirq+0x38/0x5d
[<ffffffffa01f1d5b>] ? ip6_copy_metadata+0x156/0x156 [ipv6]
[<ffffffff810c6c78>] __local_bh_enable_ip+0x9d/0xd9
[<ffffffffa01f1d88>] rcu_read_unlock_bh+0x2d/0x2f [ipv6]
[<ffffffffa01f28b4>] ip6_finish_output2+0x381/0x3d8 [ipv6]
[<ffffffffa01f49ef>] ip6_finish_output+0x6e/0x73 [ipv6]
[<ffffffffa01f4a70>] ip6_output+0x7c/0xa8 [ipv6]
[<ffffffff815b1bfa>] dst_output+0x18/0x1c
[<ffffffff815b1c9e>] ip6_local_out+0x1c/0x21
[<ffffffffa01f2489>] ip6_push_pending_frames+0x37d/0x427 [ipv6]
[<ffffffff81558af8>] ? skb_orphan+0x39/0x39
[<ffffffffa020b85a>] ? rawv6_sendmsg+0x74b/0xa4d [ipv6]
[<ffffffffa020ba51>] rawv6_sendmsg+0x942/0xa4d [ipv6]
[<ffffffff81584cd2>] inet_sendmsg+0x3d/0x66
[<ffffffff81508930>] __sock_sendmsg_nosec+0x25/0x27
[<ffffffff8150b0d7>] sock_sendmsg+0x5a/0x7b
[<ffffffff810fd8dc>] ? lock_release+0x14e/0x17b
[<ffffffff8116d756>] ? might_fault+0x9e/0xa5
[<ffffffff8116d70d>] ? might_fault+0x55/0xa5
[<ffffffff81508cb1>] ? copy_from_user+0x2a/0x2c
[<ffffffff8150b70c>] ___sys_sendmsg+0x226/0x2d9
[<ffffffff810fcd25>] ? __lock_acquire+0x5ee/0xe48
[<ffffffff810fde01>] ? trace_hardirqs_on_caller+0x145/0x1a1
[<ffffffff8118efcb>] ? slab_free_hook.isra.71+0x50/0x59
[<ffffffff8115c81f>] ? release_pages+0xbc/0x181
[<ffffffff810fd99d>] ? lock_acquire+0x94/0x9d
[<ffffffff81115e97>] ? read_seqcount_begin.constprop.25+0x73/0x90
[<ffffffff8150c408>] __sys_sendmsg+0x3d/0x5b
[<ffffffff8150c433>] SyS_sendmsg+0xd/0x19
[<ffffffff815dc53d>] system_call_fastpath+0x1a/0x1f
Reported-by: Ben Greear <greearb@candelatech.com>
Cc: Casey Leedom <leedom@chelsio.com>
Cc: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: Li RongQing <roy.qing.li@gmail.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Casey Leedom <leedom@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The driver (on PF or VF) needs to detect if the function is in qnq mode for
a HW hack in be_rx_compl_get() to work.
The driver queries this information using the GET_PROFILE_CONFIG cmd
(since the commit below can caused this regression.) But this cmd is not
available on VFs and so the VFs fail to detect qnq mode. This causes
vlan traffic to not work.
The fix is to use the the adapter->function_mode value queried via
QUERY_FIRMWARE_CONFIG cmd on both PFs and VFs to detect the qnq mode.
Also QNQ_MODE was incorrectly named FLEX10_MODE; correcting that too as the
fix reads much better with the name change.
Fixes: f93f160b5 ("refactor multi-channel config code for Skyhawk-R chip")
Signed-off-by: Suresh Reddy <Suresh.Reddy@emulex.com>
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fixes commit 3be2a49e5c08 ("of: provide a binding for fixed link PHYs")
Fix the parsing of the new fixed link dts bindings for duplex,
pause, and asym_pause by using the correct device node pointer.
Signed-off-by: Richard Retanubun <rretanubun.work@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit 8eba0eefae24953962067 ("at86rf230: remove irq_type in
request_irq") removed the trigger configuration when requesting an irq,
and instead relied on the interrupt trigger to be properly configured
already. This does not seem to be an assumption that can be safely made,
since boards disable all interrupt triggers on boot.
On these boards, force the irq to trigger on rising edge, which is also
the default for the chip.
Signed-off-by: Phoebe Buckheister <phoebe.buckheister@itwm.fraunhofer.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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drivers/net/phy/at803x.c:196:26-32: ERROR: application of sizeof to pointer
sizeof when applied to a pointer typed expression gives the size of
the pointer
Generated by: scripts/coccinelle/misc/noderef.cocci
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Acked-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Single ported VF are currently not supported on configurations where
one or both ports are IB. When we hit this case, the relevant flow in
the driver didn't return error and jumped to the wrong label. Fix that.
Fixes: dd41cc3 ('net/mlx4: Adapt num_vfs/probed_vf params for single port VF')
Reported-by: Shirley Ma <shirley.ma@oracle.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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It now takes up to 60 seconds to detect cable (un)plug on ADMtek Comet chips.
That's too slow and might cause people to think that it doesn't work at all.
Poll link status every 2 seconds instead of 60 for ADMtek Comet chips.
That should be fast enough while not stressing the system too much.
Tested with ADMtek AN983B.
Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Messages from the modem exceeding 256 bytes cause communication
failure.
The WDM protocol is strictly "read on demand", meaning that we only
poll for unread data after receiving a notification from the modem.
Since we have no way to know how much data the modem has to send,
we must make sure that the buffer we provide is "big enough".
Message truncation does not work. Truncated messages are left unread
until the modem has another message to send. Which often won't
happen until the userspace application has given up waiting for the
final part of the last message, and therefore sends another command.
With a proper CDC WDM function there is a descriptor telling us
which buffer size the modem uses. But with this vendor specific
implementation there is no known way to calculate the exact "big
enough" number. It is an unknown property of the modem firmware.
Experience has shown that 256 is too small. The discussion of
this failure ended up concluding that 512 might be too small as
well. So 1024 seems like a reasonable value for now.
Fixes: 41c47d8cfd68 ("net: huawei_cdc_ncm: Introduce the huawei_cdc_ncm driver")
Cc: Enrico Mioso <mrkiko.rs@gmail.com>
Reported-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Acked-By: Enrico Mioso <mrkiko.rs@gmail.com>
Tested-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In commit 629c9a8fd0bbdfc6d702526b327470166ec39c6b (drivers: net: cpsw: Add
default vlan for dual emac case also), api cpsw_add_default_vlan() also
changes the port vlan which is required to seperate the ports which results
in the following behavior
In Dual EMAC mode, when both the Etnernet connected is connected to same
switch, it creates a loop in the switch and when a broadcast packet is
received it is forwarded to the other port which stalls the whole switch
and needs a reset/power cycle to the switch to recover. So intead of using
the api, add only the default VLAN entry in dual EMAC case.
Cc: Yegor Yefremov <yegorslists@googlemail.com>
Cc: Felipe Balbi <balbi@ti.com>
Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
Tested-by: Yegor Yefremov <yegorslists@googlemail.com>
Tested-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When reconnecting to the backend (after a resume/migration, for example),
a different number of queues may be required (since the guest may have
moved to a different host with different capabilities). During the
reconnection the old queues are torn down and new ones created.
Introduce xennet_create_queues() and xennet_destroy_queues() that fixes
three bugs during the reconnection.
- The old info->queues was leaked.
- The old queue's napi instances were not deleted.
- The new queue's napi instances were left disabled (which meant no
packets could be received).
The xennet_destroy_queues() calls is deferred until the reconnection
instead of the disconnection (in xennet_disconnect_backend()) because
napi_disable() might sleep.
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Reviewed-by: Wei Liu <wei.liu2@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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xennet_disconnect_backend() was not correctly iterating over all the
queues.
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Reviewed-by: Wei Liu <wei.liu2@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The AT8030 will enter a FIFO error mode if a packet is transmitted while
the cable is unplugged. This hardware issue is acknowledged by the
vendor, and the only proposed solution is to conduct a hardware reset
via the external pin each time the link goes down. There is apparantly
no way to fix up the state via the register set.
This patch adds support for reading a 'reset-gpios' property from the DT
node of the PHY. If present, this gpio is used to apply a hardware reset
each time a 'link down' condition is detected. All relevant registers
are read out before, and written back after the reset cycle.
Doing this every time the link goes down might seem like overkill, but
there is unfortunately no way of figuring out whether the PHY is in
such a lock-up state. Hence, this is the only way of reliably fixing up
things.
Signed-off-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This removes magic values from two tables and also allows us to match
against specific PHY models at runtime.
Signed-off-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a notify callback to inform phy drivers when the core is about to
do its link adjustment. No change for drivers that do not implement
this callback.
Signed-off-by: Daniel Mack <zonque@gmail.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
John W. Linville says:
====================
pull request: wireless 2014-06-18
Please pull this batch of fixes intended for the 3.16 stream!
For the Bluetooth bits, Gustavo says:
"This is our first batch of fixes for 3.16. Be aware that two patches here
are not exactly bugfixes:
* 71f28af57066 Bluetooth: Add clarifying comment for conn->auth_type
This commit just add some important security comments to the code, we found
it important enough to include it here for 3.16 since it is security related.
* 9f7ec8871132 Bluetooth: Refactor discovery stopping into its own function
This commit is just a refactor in a preparation for a fix in the next
commit (f8680f128b).
All the other patches are fixes for deadlocks and for the Bluetooth protocols,
most of them related to authentication and encryption."
On top of that...
Chin-Ran Lo fixes a problems with overlapping DMA areas in mwifiex.
Michael Braun corrects a couple of issues in order to enable a new
device in rt2800usb.
Rafał Miłecki reverts a b43 patch that caused a regression, fixes a
Kconfig typo, and corrects a frequency reporting error with the G-PHY.
Stanislaw Grsuzka fixes an rfkill regression for rt2500pci, and avoids
a rt2x00 scheduling while atomic BUG.
Please let me know if there are problems!
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem
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As reported by Niels, starting rfkill polling during device probe
(commit e2bc7c5, generally sane change) broke rfkill on rt2500pci
device. I considered that bug as some initalization issue, which
should be fixed on rt2500pci specific code. But after several
attempts (see bug report for details) we fail to find working solution.
Hence I decided to revert to old behaviour on rt2500pci to fix
regression.
Additionally patch also unregister rfkill on device remove instead
of ifconfig down, what was another issue introduced by bad commit.
Bug report:
https://bugzilla.kernel.org/show_bug.cgi?id=73821
Fixes: e2bc7c5f3cb8 ("rt2x00: Fix rfkill_polling register function.")
Cc: stable@vger.kernel.org
Bisected-by: Niels <nille0386@googlemail.com>
Reported-and-tested-by: Niels <nille0386@googlemail.com>
Signed-off-by: Stanislaw Gruszka <stf_xl@wp.pl>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Support for firmware rev 508+ was added years ago, but we never noticed
it reports channel in a different way for G-PHY devices. Instead of
offset from 2400 MHz it simply passes channel id (AKA hw_value).
So far it was (most probably) affecting monitor mode users only, but
the following recent commit made it noticeable for quite everybody:
commit 3afc2167f60a327a2c1e1e2600ef209a3c2b75b7
Author: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Date: Tue Mar 4 16:50:13 2014 +0200
cfg80211/mac80211: ignore signal if the frame was heard on wrong channel
Reported-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Cc: stable@vger.kernel.org
Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The device 057c:8501 (AVM Fritz! WLAN v2 rev. B) boots into a state that does
not actually require loading a firmware file. The vendors driver finds out
about this by checking a firmware state register, so this patch adds this here.
Finally, with this patch applied, my wifi dongle actually becomes
useful (scan + connect to wpa network works).
Signed-off-by: Michael Braun <michael-dev@fami-braun.de>
Acked-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The device 057c:8501 (AVM Fritz! WLAN v2 rev. B) currently does not
load. One thing observed is that the vendors driver detects EFUSE mode
for this device, but rt2800usb does not. This is due to rt2800usb
lacking a check for the firmware mode present in the vendors driver,
that this patch adopts for rt2800usb.
With this patch applied, the 'RF chipset' detection does no longer fail.
Signed-off-by: Michael Braun <michael-dev@fami-braun.de>
Acked-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Reported-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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On USB we can not get atomically TKIP key. We have to disable support
for TKIP acceleration on USB hardware to avoid bug as showed bellow.
[ 860.827243] BUG: scheduling while atomic: hostapd/3397/0x00000002
<snip>
[ 860.827280] Call Trace:
[ 860.827282] [<ffffffff81682ea6>] dump_stack+0x4d/0x66
[ 860.827284] [<ffffffff8167eb9b>] __schedule_bug+0x47/0x55
[ 860.827285] [<ffffffff81685bb3>] __schedule+0x733/0x7b0
[ 860.827287] [<ffffffff81685c59>] schedule+0x29/0x70
[ 860.827289] [<ffffffff81684f8a>] schedule_timeout+0x15a/0x2b0
[ 860.827291] [<ffffffff8105ac50>] ? ftrace_raw_event_tick_stop+0xc0/0xc0
[ 860.827294] [<ffffffff810c13c2>] ? __module_text_address+0x12/0x70
[ 860.827296] [<ffffffff81686823>] wait_for_completion_timeout+0xb3/0x140
[ 860.827298] [<ffffffff81080fc0>] ? wake_up_state+0x20/0x20
[ 860.827301] [<ffffffff814d5b3d>] usb_start_wait_urb+0x7d/0x150
[ 860.827303] [<ffffffff814d5cd5>] usb_control_msg+0xc5/0x110
[ 860.827305] [<ffffffffa02fb0c6>] rt2x00usb_vendor_request+0xc6/0x160 [rt2x00usb]
[ 860.827307] [<ffffffffa02fb215>] rt2x00usb_vendor_req_buff_lock+0x75/0x150 [rt2x00usb]
[ 860.827309] [<ffffffffa02fb393>] rt2x00usb_vendor_request_buff+0xa3/0xe0 [rt2x00usb]
[ 860.827311] [<ffffffffa023d1a3>] rt2x00usb_register_multiread+0x33/0x40 [rt2800usb]
[ 860.827314] [<ffffffffa05805f9>] rt2800_get_tkip_seq+0x39/0x50 [rt2800lib]
[ 860.827321] [<ffffffffa0480f88>] ieee80211_get_key+0x218/0x2a0 [mac80211]
[ 860.827322] [<ffffffff815cc68c>] ? __nlmsg_put+0x6c/0x80
[ 860.827329] [<ffffffffa051b02e>] nl80211_get_key+0x22e/0x360 [cfg80211]
Cc: stable@vger.kernel.org
Reported-and-tested-by: Peter Wu <lekensteyn@gmail.com>
Reported-and-tested-by: Pontus Fuchs <pontus.fuchs@gmail.com>
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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On PCIe Tx data path, network interface specific tx_info
parameters such as bss_num and bss_type are saved at
"skb->cb + sizeof(dma_addr_t)" (returned by MWIFIEX_SKB_TXCB).
Later mwifiex_map_pci_memory() called from
mwifiex_pcie_send_data() will memcpy
sizeof(struct mwifiex_dma_mapping) bytes to save PCIe DMA
address and length information at beginning of skb->cb.
This accidently overwrites bss_num and bss_type saved in skb->cb
previously because bss_num/bss_type and mwifiex_dma_mapping data
overlap.
Similarly, on PCIe Rx data path, rx_info parameters overlaps
with PCIe DMA address and length information too.
Fix it by defining mwifiex_cb structure and having
MWIFIEX_SKB_TXCB and MWIFIEX_SKB_RXCB return the correct address
of tx_info/rx_info using the structure members.
Also add a BUILD_BUG_ON to maks sure that mwifiex_cb structure
doesn't exceed the size of skb->cb.
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Signed-off-by: Chin-Ran Lo <crlo@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This fixes regression introduced by adding some G-PHY devices to the
list of dual band devices. There is simply no support for 5 GHz on
G-PHY devices in b43. It results in:
WARNING: CPU: 0 PID: 79 at drivers/net/wireless/b43/phy_g.c:75 b43_gphy_channel_switch+0x125/0x130 [b43]()
b43-phy1 ERROR: PHY init: Channel switch to default failed
Regression was introduced by the following commit:
commit 773cfc508f4d64c14547ff8751b5cbd473124364
Author: Rafał Miłecki <zajec5@gmail.com>
Date: Mon May 19 23:18:55 2014 +0200
b43: add more devices to the bands database
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Commit d3f6f3a1d818410c17445bce4f4caab52eb102f1 ("tg3: Prevent page
allocation failure during TSO workaround") modified driver logic
to use tg3_tso_bug() for any TSO fragment that hits hardware bug
conditions thus the patch increased the scope of work for tg3_tso_bug()
to cover devices that support NETIF_F_TSO6 as well. Prior to the
patch, tg3_tso_bug() would only be used on devices supporting
NETIF_F_TSO.
A regression was introduced for IPv6 packets requiring the workaround.
To properly perform GSO on SKBs with TCPV6 gso_type, we need to call
skb_gso_segment() with NETIF_F_TSO6 feature flag cleared, or the
function will return NULL and cause a kernel oops as tg3 is not handling
a NULL return value. This patch fixes the problem.
Signed-off-by: Prashant Sreedharan <prashant@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When the underlying device supports TCP offloads for VXLAN/UDP
encapulated traffic, we need to reflect that through the hw_enc_features
field of the bonding net-device. This will cause the xmit path
in the core networking stack to provide bonding with encapsulated
GSO frames to offload into the HW etc.
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Added FUJITSU SIEMENS A8NE-FM to the list of 32bit DMA boards
>From Tomi O.:
After I added an entry to this MB into the skge.c
driver in order to enable the mentioned 64bit dma disable quirk,
the network data corruptions ended and everything is fine again.
Signed-off-by: Mirko Lindner <mlindner@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The commit 96c50caa5148 (net: fec: Enable IP header hardware checksum)
enable HW IP header checksum for IPV4 and IPV6, which causes IPV6 TCP/UDP
cannot work. (The issue is reported by Russell King)
For FEC IP header checksum function: Insert IP header checksum. This "IINS"
bit is written by the user. If set, IP accelerator calculates the IP header
checksum and overwrites the IINS corresponding header field with the calculated
value. The checksum field must be cleared by user, otherwise the checksum
always is 0xFFFF.
So the previous patch clear IP header checksum field regardless of IP frame
type.
In fact, IP HW detect the packet as IPV6 type, even if the "IINS" bit is set,
the IP accelerator is not triggered to calculates IPV6 header checksum because
IPV6 frame format don't have checksum.
So this results in the IPV6 frame being corrupted.
The patch just add software detect the current packet type, if it is IPV6
frame, it don't clear IP header checksum field.
Cc: Russell King <linux@arm.linux.org.uk>
Reported-and-tested-by: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Fugang Duan <B38611@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The ptp_pch driver is for a companion chip to the Intel Atom E600
series processors. These are 32-bit x86 processors so the driver is
only needed on X86_32.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Cc: Richard Cochran <richardcochran@gmail.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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c25aaf814a63: "hyperv: Enable sendbuf mechanism on the send path" added
some teardown code that looks like it was copied from the recieve path
above, but missed a variable name replacement.
Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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'i' is unused in tile_net_dev_init() after commit d581ebf5a1f
("net: tile: Use helpers from linux/etherdevice.h to check/set MAC").
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There are 2 HISAX_AVM_A1_PCMCIA Kconfig entries. The kbuild system
ignores the second one, and apparently nobody noticed the problem so
far, so let's remove that second entry.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Cc: Karsten Keil <isdn@linux-pingi.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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