"select NET" in drivers/scsi/Kconfig
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Merge tag 'please-pull-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux
Pull ia64 defconfig update from Tony Luck:
"Need to rebuild defconfig files to cope with removal of "select NET"
in drivers/scsi/Kconfig"
* tag 'please-pull-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux:
[IA64] refresh arch/ia64/configs/* using "make savedefconfig"
Add support for two more processors to fam15h_power driver.
Also fix a bug in the same driver to only report the power level
on chips which actually support reporting it.
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Merge tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fixes from Guenter Roeck:
- Fix a resource leak in tmp103 driver
- Add support for two more processors to fam15h_power driver
- Also fix a bug in the same driver to only report the power level on
chips which actually support reporting it
* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (tmp103) Fix resource leak bug in tmp103 temperature sensor driver
hwmon: (fam15h_power) Add support for two more processors
hwmon: (fam15h_power) Make actual power reporting conditional
Prompted by a change to drivers/scsi/Kconfig which used to do a
"select NET" but now does a "depends on NET". This meant that some
configurations ended up without CONFIG_NET=y
Signed-off-by Tony Luck <tony.luck@intel.com>
yesterday's pull request. Normally I would have waited for
some other patches to pile up, but since 3.17 might be short
here it is.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull another kvm fix from Paolo Bonzini:
"Another fix for 3.17 arrived at just the wrong time, after I had sent
yesterday's pull request. Normally I would have waited for some other
patches to pile up, but since 3.17 might be short here it is"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
arm/arm64: KVM: Fix unaligned access bug on gicv2 access
Pull cgroup fix from Tejun Heo:
"One late fix for cgroup.
I was waiting for another set of fixes for a long-standing obscure
cpuset bug but am not sure whether they'll be ready before v3.17
release. This one is a simple fix for a mutex unlock balance bug in
an allocation failure path in pidlist_array_load().
The bug was introduced in v3.14 and the fix is tagged for -stable"
* 'for-3.17-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
cgroup: fix unbalanced locking
In the brcmf_count_20mhz_channels function we are looping through a list
of channels received from firmware. Since the index of the first channel
is 0 the condition leads to an off by one bug. This is causing us to hit
the WARN_ON_ONCE(1) calls in the brcmu_d11n_decchspec function, which is
how I discovered the bug.
Introduced by:
commit b48d891676
("brcmfmac: rework wiphy structure setup")
Acked-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Emil Goode <emilgoode@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Otherwise we may fail to init the second compute ring.
Noticed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Check the correct bit for audio. Seems like a copy-paste error from the
start:
commit 9ed109a7b4
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Thu Apr 24 23:54:52 2014 +0200
drm/i915: Track has_audio in the pipe config
Reported-by: Martin Andersen <martin.x.andersen@gmail.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=82756
Cc: stable@vger.kernel.org # 3.16+
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
When the audio stream is paused or suspended we stop the sDMA and when it
is unpaused/resumed we start the channel without reconfiguring it.
The omap_dma_stop() clears the link configuration when we pause the dma, but
it is not setting it back on start. This will result only one audio buffer
to be played back and the DMA will stop, since the linking is disabled.
We need to restore the CLINK_CTRL register in case of resume.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Add mb() call to resume path to ensure the necessary barrier.
Resume can happen after waking up from suspend for example.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Ring init and cleanup are not balanced because we re-init the rings on
resume without having cleaned them up on suspend. This leads to the
driver leaking the parser's hash tables with a kmemleak signature such
as this:
unreferenced object 0xffff880405960980 (size 32):
comm "systemd-udevd", pid 516, jiffies 4294896961 (age 10202.044s)
hex dump (first 32 bytes):
d0 85 46 c0 ff ff ff ff 00 00 00 00 00 00 00 00 ..F.............
98 60 28 04 04 88 ff ff 00 00 00 00 00 00 00 00 .`(.............
backtrace:
[<ffffffff81816f9e>] kmemleak_alloc+0x4e/0xb0
[<ffffffff811fa678>] kmem_cache_alloc_trace+0x168/0x2f0
[<ffffffffc03e20a5>] i915_cmd_parser_init_ring+0x2a5/0x3e0 [i915]
[<ffffffffc04088a2>] intel_init_ring_buffer+0x202/0x470 [i915]
[<ffffffffc040c998>] intel_init_vebox_ring_buffer+0x1e8/0x2b0 [i915]
[<ffffffffc03eff59>] i915_gem_init_hw+0x2f9/0x3a0 [i915]
[<ffffffffc03f0057>] i915_gem_init+0x57/0x1d0 [i915]
[<ffffffffc045e26a>] i915_driver_load+0xc0a/0x10e0 [i915]
[<ffffffffc02e0d5d>] drm_dev_register+0xad/0x100 [drm]
[<ffffffffc02e3b9f>] drm_get_pci_dev+0x8f/0x200 [drm]
[<ffffffffc03c934b>] i915_pci_probe+0x3b/0x60 [i915]
[<ffffffff81436725>] local_pci_probe+0x45/0xa0
[<ffffffff81437a69>] pci_device_probe+0xd9/0x130
[<ffffffff81524f4d>] driver_probe_device+0x12d/0x3e0
[<ffffffff815252d3>] __driver_attach+0x93/0xa0
[<ffffffff81522e1b>] bus_for_each_dev+0x6b/0xb0
This patch extends the current convention of checking whether a
resource is already allocated before allocating it during ring init.
Longer term it might make sense to only init the rings once.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=83794
Tested-by: Kari Suvanto <kari.tj.suvanto@gmail.com>
Signed-off-by: Brad Volkin <bradley.d.volkin@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: stable@vger.kernel.org
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
This reverts commit 9cb0e39423.
It causes my Sony Vaio Pro 11 to immediately reboot at startup.
Acked-by: Ingo Molnar <mingo@kernel.org>
Cc: Peter Anvin <hpa@zytor.com>
Cc: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
too some time to narrow down. Although a bit intrusive, this would
be good to get into the -rc cycle as there are quite a few boards
out there with omap3 es2.1 and es3.0, and we have those in at least
three boot test systems too that show errors without this patch.
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Merge tag 'fix-v3.17-io-chain-v3' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
Regression fix for early omap3 revisions for wake-up events that
too some time to narrow down. Although a bit intrusive, this would
be good to get into the -rc cycle as there are quite a few boards
out there with omap3 es2.1 and es3.0, and we have those in at least
three boot test systems too that show errors without this patch.
* tag 'fix-v3.17-io-chain-v3' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP3: Fix I/O chain clock line assertion timed out error
Signed-off-by: Olof Johansson <olof@lixom.net>
- Fix for omap_l3_noc bus code
- Serial console fix for cm-t53
- NAND timings fix for dra7-evm
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Merge tag 'fixes-v3.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
Few regression fixes for omaps for the -rc cycle:
- Fix for omap_l3_noc bus code
- Serial console fix for cm-t53
- NAND timings fix for dra7-evm
* tag 'fixes-v3.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
bus: omap_l3_noc: Fix connID for OMAP4
ARM: dts: cm-t54: fix serial console power supply.
ARM: dts: dra7-evm: Fix NAND GPMC timings
Signed-off-by: Olof Johansson <olof@lixom.net>
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Merge tag 'fixes-v3.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone into fixes
Keystone Edision dts fix for -rc cycle. Fix the PCIE and USB nodes.
* tag 'fixes-v3.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone:
ARM: keystone: dts: fix bindings for pcie and usb clock nodes
Signed-off-by: Olof Johansson <olof@lixom.net>
Commit 63288b721a ("ARM: imx: fix shared gate clock") attempted to fix
an issue with particular enable/disable sequence from two shared gate
clocks. But unfortunately, while it partially fixed the issue, it also
did something wrong in .is_enabled() function hook. In case of shared
gate, the function shouldn't really query the hardware state via
share_count, because the function is trying to query the enabling state
of the clock in question, not the hardware state which is shared by
multiple clocks.
Fix the issue by returning the enable_count of the clock itself which is
maintained by clock core, in case it's a clock sharing hardware gate
with others. As the result, the initialization of share_count per
hardware state is not needed now. So remove it.
Reported-by: Fabio Estevam <fabio.estevam@freescale.com>
Fixes: 63288b721a ("ARM: imx: fix shared gate clock")
Cc: <stable@vger.kernel.org>
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
Tested-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
pcie_poll_cmd() take msecs instead of jiffies, so convert timeout to msecs.
Fixes: 40b960831c ("PCI: pciehp: Compute timeout from hotplug command start time")
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Pull networking fixes from David Miller:
1) If the user gives us a msg_namelen of 0, don't try to interpret
anything pointed to by msg_name. From Ani Sinha.
2) Fix some bnx2i/bnx2fc randconfig compilation errors.
The gist of the issue is that we firstly have drivers that span both
SCSI and networking. And at the top of that chain of dependencies
we have things like SCSI_FC_ATTRS and SCSI_NETLINK which are
selected.
But since select is a sledgehammer and ignores dependencies,
everything to select's SCSI_FC_ATTRS and/or SCSI_NETLINK has to also
explicitly select their dependencies and so on and so forth.
Generally speaking 'select' is supposed to only be used for child
nodes, those which have no dependencies of their own. And this
whole chain of dependencies in the scsi layer violates that rather
strongly.
So just make SCSI_NETLINK depend upon it's dependencies, and so on
and so forth for the things selecting it (either directly or
indirectly).
From Anish Bhatt and Randy Dunlap.
3) Fix generation of blackhole routes in IPSEC, from Steffen Klassert.
4) Actually notice netdev feature changes in rtl_open() code, from
Hayes Wang.
5) Fix divide by zero in bond enslaving, from Nikolay Aleksandrov.
6) Missing memory barrier in sunvnet driver, from David Stevens.
7) Don't leave anycast addresses around when ipv6 interface is
destroyed, from Sabrina Dubroca.
8) Don't call efx_{arch}_filter_sync_rx_mode before addr_list_lock is
initialized in SFC driver, from Edward Cree.
9) Fix missing DMA error checking in 3c59x, from Neal Horman.
10) Openvswitch doesn't emit OVS_FLOW_CMD_NEW notifications accidently,
fix from Samuel Gauthier.
11) pch_gbe needs to select NET_PTP_CLASSIFY otherwise we can get a
build error.
12) Fix macvlan regression wherein we stopped emitting
broadcast/multicast frames over software devices. From Nicolas
Dichtel.
13) Fix infiniband bug due to unintended overflow of skb->cb[], from
Eric Dumazet. And add an assertion so this doesn't happen again.
14) dm9000_parse_dt() should return error pointers, not NULL. From
Tobias Klauser.
15) IP tunneling code uses this_cpu_ptr() in preemptible contexts, fix
from Eric Dumazet.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (87 commits)
net: bcmgenet: call bcmgenet_dma_teardown in bcmgenet_fini_dma
net: bcmgenet: fix TX reclaim accounting for fragments
ipv4: do not use this_cpu_ptr() in preemptible context
dm9000: Return an ERR_PTR() in all error conditions of dm9000_parse_dt()
r8169: fix an if condition
r8152: disable ALDPS
ipoib: validate struct ipoib_cb size
net: sched: shrink struct qdisc_skb_cb to 28 bytes
tg3: Work around HW/FW limitations with vlan encapsulated frames
macvlan: allow to enqueue broadcast pkt on virtual device
pch_gbe: 'select' NET_PTP_CLASSIFY.
scsi: Use 'depends' with LIBFC instead of 'select'.
openvswitch: restore OVS_FLOW_CMD_NEW notifications
genetlink: add function genl_has_listeners()
lib: rhashtable: remove second linux/log2.h inclusion
net: allow macvlans to move to net namespace
3c59x: Fix bad offset spec in skb_frag_dma_map
3c59x: Add dma error checking and recovery
sparc: bpf_jit: fix support for ldx/stx mem and SKF_AD_VLAN_TAG
can: at91_can: add missing prepare and unprepare of the clock
...
The fixes for TI DRA7 remove divide-by-zero errors. The recently merged
AT91 clock driver fixes some bad error checking and the QCOM driver fix
restores audio for that platform, a clear regression. A list iteration
bug in the framework core was hit recently and is fixed up here. Finally
a compilation warning is fixed for efm32gg, which is also a regression
fix.
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Merge tag 'clk-fixes-for-linus' of git://git.linaro.org/people/mike.turquette/linux
Pull clock layer fixes from Mike Turquette:
"The fixes for the clock tree are mostly run-time bugs in clock
drivers.
The fixes for TI DRA7 remove divide-by-zero errors. The recently
merged AT91 clock driver fixes some bad error checking and the QCOM
driver fix restores audio for that platform, a clear regression. A
list iteration bug in the framework core was hit recently and is fixed
up here. Finally a compilation warning is fixed for efm32gg, which is
also a regression fix"
* tag 'clk-fixes-for-linus' of git://git.linaro.org/people/mike.turquette/linux:
clk/efm32gg: fix dt init prototype
clk: prevent erronous parsing of children during rate change
clk: rockchip: Fix the clocks for i2c1 and i2c2
clk: qcom: Fix sdc 144kHz frequency entry
clk: at91: fix num_parents test in at91sam9260 slow clk implementation
clk: ti: dra7-atl: Provide error check for incoming parameters in set_rate
clk: ti: divider: Provide error check for incoming parameters in set_rate
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Merge tag 'fscache-fixes-20140917' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs
Pull fs-cache fixes from David Howells:
- Put a timeout in releasepage() to deal with a recursive hang between
the memory allocator, writeback, ext4 and fscache under memory
pressure.
- Fix a pair of refcount bugs in the fscache error handling.
- Remove a couple of unused pagevecs.
- The cachefiles requirement that the base directory support rename
should permit rename2 as an alternative - otherwise certain
filesystems cannot now be used as backing stores (such as ext4).
* tag 'fscache-fixes-20140917' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs:
CacheFiles: Handle rename2
cachefiles: remove two unused pagevecs.
FS-Cache: refcount becomes corrupt under vma pressure.
FS-Cache: Reduce cookie ref count if submit fails.
FS-Cache: Timeout for releasepage()
Florian Fainelli says:
====================
net: bcmgenet: TX reclaim and DMA fixes
This patch set contains one fix for an accounting problem while reclaiming
transmitted buffers having fragments, and the second fix is to make sure
that the DMA shutdown is properly controlled.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
We should not be manipulaging the DMA_CTRL registers directly by writing
0 to them to disable DMA. This is an operation that needs to be timed to
make sure the DMA engines have been properly stopped since their state
machine stops on a packet boundary, not immediately.
Make sure that tha bcmgenet_fini_dma() calls bcmgenet_dma_teardown() to
ensure a proper DMA engine state. As a result, we need to reorder the
function bodies to resolve the use dependency.
Fixes: 1c1008c793 ("net: bcmgenet: add main driver file")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The GENET driver supports SKB fragments, and succeeds in transmitting
them properly, but when reclaiming these transmitted fragments, we will
only update the count of free buffer descriptors by 1, even for SKBs
with fragments. This leads to the networking stack thinking it has more
room than the hardware has when pushing new SKBs, and backing off
consequently because we return NETDEV_TX_BUSY.
Fix this by accounting for the SKB nr_frags plus one (itself) and update
ring->free_bds accordingly with that value for each iteration loop in
__bcmgenet_tx_reclaim().
Fixes: 1c1008c793 ("net: bcmgenet: add main driver file")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
this_cpu_ptr() in preemptible context is generally bad
Sep 22 05:05:55 br kernel: [ 94.608310] BUG: using smp_processor_id()
in
preemptible [00000000] code: ip/2261
Sep 22 05:05:55 br kernel: [ 94.608316] caller is
tunnel_dst_set.isra.28+0x20/0x60 [ip_tunnel]
Sep 22 05:05:55 br kernel: [ 94.608319] CPU: 3 PID: 2261 Comm: ip Not
tainted
3.17.0-rc5 #82
We can simply use raw_cpu_ptr(), as preemption is safe in these
contexts.
Should fix https://bugzilla.kernel.org/show_bug.cgi?id=84991
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Joe <joe9mail@gmail.com>
Fixes: 9a4aa9af44 ("ipv4: Use percpu Cache route in IP tunnels")
Acked-by: Tom Herbert <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Only the acpi backlight seems to work. Using the
radeon backlight controller causes the backlight to
go off.
bug:
https://bugs.freedesktop.org/show_bug.cgi?id=81382
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Add a module parameter to disable the radeon GPU backlight
controller to override the automatic detection. Some
laptops seems to indicate that they use the integrated
controller, but appear to actually use an external
controller.
bug:
https://bugs.freedesktop.org/show_bug.cgi?id=81382
v2: fix module parameter description
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This might decrease the chance of IH ring buffer overflows.
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Use the same format for all ring indices, and fix the calculation of the
post-overflow RPTR.
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Otherwise the bit remains set in rdev->ih.rptr, so the wptr can never
match that and we still have an infinite loop.
This fix allows me to successfully recover from an IH ring buffer
overflow.
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
We were using an atomic bitop on the vgic_v2.vgic_elrsr field which was
not aligned to the natural size on 64-bit platforms. This bug showed up
after QEMU correctly identifies the pl011 line as being level-triggered,
and not edge-triggered.
These data structures are protected by a spinlock so simply use a
non-atomic version of the accessor instead.
Tested-by: Joel Schopp <joel.schopp@amd.com>
Reported-by: Riku Voipio <riku.voipio@linaro.org>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Commit 2da78092 changed the locking from a mutex to a spinlock,
so we now longer sleep in this context. But there was a leftover
might_sleep() in there, which now triggers since we do the final
free from an RCU callback. Get rid of it.
Reported-by: Pontus Fuchs <pontus.fuchs@gmail.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Steffen Klassert says:
====================
pull request (net): ipsec 2014-09-22
We generate a blackhole or queueing route if a packet
matches an IPsec policy but a state can't be resolved.
Here we assume that dst_output() is called to kill
these packets. Unfortunately this assumption is not
true in all cases, so it is possible that these packets
leave the system without the necessary transformations.
This pull request contains two patches to fix this issue:
1) Fix for blackhole routed packets.
2) Fix for queue routed packets.
Both patches are serious stable candidates.
Please pull or let me know if there are problems.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
In one error condition dm9000_parse_dt() returns NULL, however the
return value is checked using IS_ERR() in dm9000_probe(), leading to the
error not being properly propagated if CONFIG_OF is not enabled or the
device tree data is not available. Fix this by also returning an
ERR_PTR() in this case.
Fixes: 0b8bf1baab (net: dm9000: Allow instantiation using device tree)
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
The ah struct might not have been initialized when
interrupt comes so check for it.
Signed-off-by: Wojciech Dubowik <Wojciech.Dubowik@neratec.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Clock is disabled when the device is blocked.
So, clock_enabled is the logical negation of "blocked".
Signed-off-by: Loic Poulain <loic.poulain@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
We have 3 NFC fixes for 3.17:
- 2 potential build failures for ST21NFCA and ST21NFCB, triggered by a
depmod dependenyc cycle.
- One potential buffer overflow in the microread driver.
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Merge tag 'nfc-fixes-3.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/nfc-fixes
Samuel Ortiz <sameo@linux.intel.com> says:
"NFC: 3.17 fixes
We have 3 NFC fixes for 3.17:
- 2 potential build failures for ST21NFCA and ST21NFCB, triggered by a
depmod dependenyc cycle.
- One potential buffer overflow in the microread driver."
Signed-off-by: John W. Linville <linville@tuxdriver.com>
There is an extra semi-colon so __rtl8169_set_features() is called every
time.
Fixes: 929a031dfd ('r8169: adjust __rtl8169_set_features')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Hayes Wang <hayeswang@realtek.com>--
Signed-off-by: David S. Miller <davem@davemloft.net>
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM fixes from Paolo Bonzini:
"Two very simple bugfixes, affecting all supported architectures"
[ Two? There's three commits in here. Oh well, I guess Paolo didn't
count the preparatory symbol export ]
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: correct null pid check in kvm_vcpu_yield_to()
KVM: check for !is_zero_pfn() in kvm_is_mmio_pfn()
mm: export symbol dependencies of is_zero_pfn()
If the hw is in ALDPS mode, the hw may have no response for accessing
the most registers. Therefore, the ALDPS should be disabled before
accessing the hw in rtl_ops.init(), rtl_ops.disable(), rtl_ops.up(),
and rtl_ops.down(). Regardless of rtl_ops.enable(), because the hw
wouldn't enter ALDPS mode when linking on. The hw would enter the
ALDPS mode after several seconds when link down occurs and the ALDPS
is enabled.
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We cannot make struct qdisc_skb_cb bigger without impacting IPoIB,
or increasing skb->cb[] size.
Commit e0f31d8498 ("flow_keys: Record IP layer protocol in
skb_flow_dissect()") broke IPoIB.
Only current offender is sch_choke, and this one do not need an
absolutely precise flow key.
If we store 17 bytes of flow key, its more than enough. (Its the actual
size of flow_keys if it was a packed structure, but we might add new
fields at the end of it later)
Signed-off-by: Eric Dumazet <edumazet@google.com>
Fixes: e0f31d8498 ("flow_keys: Record IP layer protocol in skb_flow_dissect()")
Signed-off-by: David S. Miller <davem@davemloft.net>
TG3 appears to have an issue performing TSO and checksum offloading
correclty when the frame has been vlan encapsulated (non-accelrated).
In these cases, tcp checksum is not correctly updated.
This patch attempts to work around this issue. After the patch,
802.1ad vlans start working correctly over tg3 devices.
CC: Prashant Sreedharan <prashant@broadcom.com>
CC: Michael Chan <mchan@broadcom.com>
Signed-off-by: Vladislav Yasevich <vyasevic@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
tmp103 temperature sensor driver registers with the hwmon framework by calling
hwmon_device_register_with_groups but does not have a .remove method to call
hwmon_device_unregister to unregister from the framework when the device is no
longer needed. Fix this by calling devm_hwmon_device_register_with_groups.
Signed-off-by: Sundar J Dev <sundarjayakumardev@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Since commit 412ca1550c ("macvlan: Move broadcasts into a work queue"), the
driver uses tx_queue_len of the master device as the limit of packets enqueuing.
Problem is that virtual drivers have this value set to 0, thus all broadcast
packets were rejected.
Because tx_queue_len was arbitrarily chosen, I replace it with a static limit
of 1000 (also arbitrarily chosen).
CC: Herbert Xu <herbert@gondor.apana.org.au>
Reported-by: Thibaut Collet <thibaut.collet@6wind.com>
Suggested-by: Thibaut Collet <thibaut.collet@6wind.com>
Tested-by: Thibaut Collet <thibaut.collet@6wind.com>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
When requests are retried due to hw or sw resource shortages,
we often stop the associated hardware queue. So ensure that we
restart the queues when running the requeue work, otherwise the
queue run will be a no-op.
Signed-off-by: Jens Axboe <axboe@fb.com>
__blk_mq_alloc_rq_maps() can be invoked multiple times, if we scale
back the queue depth if we are low on memory. So don't clear
set->tags when we fail, this is handled directly in
the parent function, blk_mq_alloc_tag_set().
Reported-by: Robert Elliott <Elliott@hp.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
We should not insert requests into the flush state machine from
blk_mq_insert_request. All incoming flush requests come through
blk_{m,s}q_make_request and are handled there, while blk_execute_rq_nowait
should only be called for BLOCK_PC requests. All other callers
deal with requests that already went through the flush statemchine
and shouldn't be reinserted into it.
Reported-by: Robert Elliott <Elliott@hp.com>
Debugged-by: Ming Lei <ming.lei@canonical.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
This patch should fix the bug reported in
https://lkml.org/lkml/2014/9/11/249.
We have to initialize at least the atomic_flags and the cmd_flags when
allocating storage for the requests.
Otherwise blk_mq_timeout_check() might dereference uninitialized
pointers when racing with the creation of a request.
Also move the reset of cmd_flags for the initializing code to the point
where a request is freed. So we will never end up with pending flush
request indicators that might trigger dereferences of invalid pointers
in blk_mq_timeout_check().
Cc: stable@vger.kernel.org
Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Reported-by: Paulo De Rezende Pinatti <ppinatti@linux.vnet.ibm.com>
Tested-by: Paulo De Rezende Pinatti <ppinatti@linux.vnet.ibm.com>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
