Back then when we added support for SCTP_SNDINFO/SCTP_RCVINFO from
RFC6458 5.3.4/5.3.5, we decided to add a deprecation warning for the
(as per RFC deprecated) SCTP_SNDRCV via commit bbbea41d5e ("net:
sctp: deprecate rfc6458, 5.3.2. SCTP_SNDRCV support"), see [1].
Imho, it was not a good idea, and we should just revert that message
for a couple of reasons:
1) It's uapi and therefore set in stone forever.
2) To be able to run on older and newer kernels, an SCTP application
would need to probe for both, SCTP_SNDRCV, but also SCTP_SNDINFO/
SCTP_RCVINFO support, so that on older kernels, it can make use
of SCTP_SNDRCV, and on newer kernels SCTP_SNDINFO/SCTP_RCVINFO.
In my (limited) experience, a lot of SCTP appliances are migrating
to newer kernels only ve(ee)ry slowly.
3) Some people don't have the chance to change their applications,
f.e. due to proprietary legacy stuff. So, they'll hit this warning
in fast path and are stuck with older kernels.
But i.e. due to point 1) I really fail to see the benefit of a warning.
So just revert that for now, the issue was reported up Jamal.
[1] http://thread.gmane.org/gmane.linux.network/321960/
Reported-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Cc: Michael Tuexen <tuexen@fh-muenster.de>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jon Maloy says:
====================
tipc: clean up socket message reception
Despite recent improvements the message reception code in socket.c is
perceived as obscure and hard to follow, especially regarding the logics
for message rejection. With the commits in this series we try to remedy
this situation.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
When a message is received in a socket, one of the call chains
tipc_sk_rcv()->tipc_sk_enqueue()->filter_rcv()(->tipc_sk_proto_rcv())
or
tipc_sk_backlog_rcv()->filter_rcv()(->tipc_sk_proto_rcv())
are followed. At each of these levels we may encounter situations
where the message may need to be rejected, or a new message
produced for transfer back to the sender. Despite recent
improvements, the current code for doing this is perceived
as awkward and hard to follow.
Leveraging the two previous commits in this series, we now
introduce a more uniform handling of such situations. We
let each of the functions in the chain itself produce/reverse
the message to be returned to the sender, but also perform the
actual forwarding. This simplifies the necessary logics within
each function.
Reviewed-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently, we use the code sequence
if (msg_reverse())
tipc_link_xmit_skb()
at numerous locations in socket.c. The preparation of arguments
for these calls, as well as the sequence itself, makes the code
unecessarily complex.
In this commit, we introduce a new function, tipc_sk_respond(),
that performs this call combination. We also replace some, but not
yet all, of these explicit call sequences with calls to the new
function. Notably, we let the function tipc_sk_proto_rcv() use
the new function to directly send out PROBE_REPLY messages,
instead of deferring this to the calling tipc_sk_rcv() function,
as we do now.
Reviewed-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The shortest TIPC message header, for cluster local CONNECTED messages,
is 24 bytes long. With this format, the fields "dest_node" and
"orig_node" are optimized away, since they in reality are redundant
in this particular case.
However, the absence of these fields leads to code inconsistencies
that are difficult to handle in some cases, especially when we need
to reverse or reject messages at the socket layer.
In this commit, we concentrate the handling of the absent fields
to one place, by letting the function tipc_msg_reverse() reallocate
the buffer and expand the header to 32 bytes when necessary. This
means that the socket code now can assume that the two previously
absent fields are present in the header when a message needs to be
rejected. This opens up for some further simplifications of the
socket code.
Reviewed-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Or Gerlitz says:
====================
mlx4 driver fixes, July 22nd 2015
Just few mlx4 fixes.. the fix related to propagating port state
changes to VF should go to -stable of >= 3.11, all the rest just
to 4.2-rc
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
In mlx4_en_is_ring_empty we check if ring surpassed its size.
Since the prod and cons indicators are u32, there might be a state where
prod wrapped around and cons, making this assert false, although no
actual bug exists (other code segment can cope with this state).
Signed-off-by: Ido Shamay <idos@mellanox.com>
Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When a port is not attached, the FW requires a longer than usual time to
execute the SENSE_PORT command. In the command flow, the
wait_for_completion_timeout call used in mlx4_cmd_wait puts the kernel
thread into the uninterruptible state during this time. This, in turn,
due to the computation method, causes the CPU load average to increase.
Fix this by using wait_for_completion_interruptible_timeout() for the
SENSE_PORT command, which puts the thread in the interruptible state.
In this state, the thread does not contribute to the CPU load average.
Treat the interrupted case as if the SENSE_PORT command returned
port_type = NONE.
Fix suggested by Gideon Naim <gideonn@mellanox.com> and
Bart Van Assche <bart.vanassche@sandisk.com>.
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The port-change event processing in procedure mlx4_eq_int() uses "slave"
as the vf_oper array index. Since the value of "slave" is the PF function
index, the result is that the PF link state is used for deciding to
propagate the event for all the VFs. The VF link state should be used,
so the VF function index should be used here.
Fixes: 948e306d7d ('net/mlx4: Add VF link state support')
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Some old PF drivers don't let VFs allocate counters, in that case, use
the sink counter so the VF can load and operate properly.
Fixes: 6de5f7f6a1 ('net/mlx4_core: Allocate default counter per port')
Reported-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Since slave_changelink support was added there have been a few race
conditions when using br_setport() since some of the port functions it
uses require the bridge lock. It is very easy to trigger a lockup due to
some internal spin_lock() usage without bh disabled, also it's possible to
get the bridge into an inconsistent state.
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Fixes: 3ac636b859 ("bridge: implement rtnl_link_ops->slave_changelink")
Reviewed-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull perf fix from Thomas Gleixner:
"A single fix for the intel cqm perf facility to prevent IPIs from
interrupt context"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86/intel/cqm: Return cached counter value from IRQ context
Pull x86 fixes from Thomas Gleixner:
"This update contains:
- the manual revert of the SYSCALL32 changes which caused a
regression
- a fix for the MPX vma handling
- three fixes for the ioremap 'is ram' checks.
- PAT warning fixes
- a trivial fix for the size calculation of TLB tracepoints
- handle old EFI structures gracefully
This also contains a PAT fix from Jan plus a revert thereof. Toshi
explained why the code is correct"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mm/pat: Revert 'Adjust default caching mode translation tables'
x86/asm/entry/32: Revert 'Do not use R9 in SYSCALL32' commit
x86/mm: Fix newly introduced printk format warnings
mm: Fix bugs in region_is_ram()
x86/mm: Remove region_is_ram() call from ioremap
x86/mm: Move warning from __ioremap_check_ram() to the call site
x86/mm/pat, drivers/media/ivtv: Move the PAT warning and replace WARN() with pr_warn()
x86/mm/pat, drivers/infiniband/ipath: Replace WARN() with pr_warn()
x86/mm/pat: Adjust default caching mode translation tables
x86/fpu: Disable dependent CPU features on "noxsave"
x86/mpx: Do not set ->vm_ops on MPX VMAs
x86/mm: Add parenthesis for TLB tracepoint size calculation
efi: Handle memory error structures produced based on old versions of standard
Currently of_default_bus_match_table is not exported so we can only use
this feature when bcma is build into the kernel. This patch removes
support for child buses when bcma is build as a module as a temporary
fix for a build problem introduces in this commit:
commit cae761b5a6
Author: Rafał Miłecki <zajec5@gmail.com>
Date: Sun Jun 28 17:17:13 2015 +0200
bcma: populate bus DT subnodes as platform_device-s
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Fixes: cae761b5a6 ("bcma: populate bus DT subnodes as platform_device-s")
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Toshi explains:
"No, the default values need to be set to the fallback types,
i.e. minimal supported mode. For WC and WT, UC is the fallback type.
When PAT is disabled, pat_init() does update the tables below to
enable WT per the default BIOS setup. However, when PAT is enabled,
but CPU has PAT -errata, WT falls back to UC per the default values."
Revert: ca1fec58bc 'x86/mm/pat: Adjust default caching mode translation tables'
Requested-by: Toshi Kani <toshi.kani@hp.com>
Cc: Jan Beulich <jbeulich@suse.de>
Link: http://lkml.kernel.org/r/1437577776.3214.252.camel@hp.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Here's a few USB and PHY fixes for 4.2-rc4.
Nothing major, the shortlog has the full details.
All of these have been in linux-next successfully.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here's a few USB and PHY fixes for 4.2-rc4.
Nothing major, the shortlog has the full details.
All of these have been in linux-next successfully"
* tag 'usb-4.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (21 commits)
USB: OHCI: fix bad #define in ohci-tmio.c
cdc-acm: Destroy acm_minors IDR on module exit
usb-storage: Add ignore-device quirk for gm12u320 based usb mini projectors
usb-storage: ignore ZTE MF 823 card reader in mode 0x1225
USB: OHCI: Fix race between ED unlink and URB submission
usb: core: lpm: set lpm_capable for root hub device
xhci: do not report PLC when link is in internal resume state
xhci: prevent bus_suspend if SS port resuming in phase 1
xhci: report U3 when link is in resume state
xhci: Calculate old endpoints correctly on device reset
usb: xhci: Bugfix for NULL pointer deference in xhci_endpoint_init() function
xhci: Workaround to get D3 working in Intel xHCI
xhci: call BIOS workaround to enable runtime suspend on Intel Braswell
usb: dwc3: Reset the transfer resource index on SET_INTERFACE
usb: gadget: udc: core: Fix argument of dma_map_single for IOMMU
usb: gadget: mv_udc_core: fix phy_regs I/O memory leak
usb: ulpi: ulpi_init should be executed in subsys_initcall
phy: berlin-usb: fix divider for BG2
phy: berlin-usb: fix divider for BG2CD
phy/pxa: add HAS_IOMEM dependency
...
Here are a number of small serial and tty fixes for reported issues.
All have been in linux-next successfully.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-4.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial driver fixes from Greg KH:
"Here are a number of small serial and tty fixes for reported issues.
All have been in linux-next successfully"
* tag 'tty-4.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
tty: vt: Fix !TASK_RUNNING diagnostic warning from paste_selection()
serial: core: Fix crashes while echoing when closing
m32r: Add ioreadXX/iowriteXX big-endian mmio accessors
Revert "serial: imx: initialized DMA w/o HW flow enabled"
sc16is7xx: fix FIFO address of secondary UART
sc16is7xx: fix Kconfig dependencies
serial: etraxfs-uart: Fix release etraxfs_uart_ports
tty/vt: Fix the memory leak in visual_init
serial: amba-pl011: Fix devm_ioremap_resource return value check
n_tty: signal and flush atomically
Here are a number of iio and staging driver fixes for reported issues for 4.2-rc4.
Full details are in the shortlog.
All have been in linux-next for a while with no problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver fixes from Greg KH:
"Here are a number of iio and staging driver fixes for reported issues
for 4.2-rc4.
All have been in linux-next for a while with no problems"
* tag 'staging-4.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (34 commits)
iio:light:stk3310: make endianness independent of host
iio:light:stk3310: move device register to end of probe
iio: mma8452: use iio event type IIO_EV_TYPE_MAG
iio: mcp320x: Fix NULL pointer dereference
iio: adc: vf610: fix the adc register read fail issue
iio: mlx96014: Replace offset sign
iio: magnetometer: mmc35240: fix SET/RESET sequence
iio: magnetometer: mmc35240: Fix SET/RESET mask
iio: magnetometer: mmc35240: Fix crash in pm suspend
iio:magnetometer:bmc150_magn: output intended variable
iio:magnetometer:bmc150_magn: add regmap dependency
staging: vt6656: check ieee80211_bss_conf bssid not NULL
staging: vt6655: check ieee80211_bss_conf bssid not NULL
iio: tmp006: Check channel info on write
iio: sx9500: Add missing init in sx9500_buffer_pre{en,dis}able()
iio:light:ltr501: fix regmap dependency
iio:light:ltr501: fix variable in ltr501_init
iio: sx9500: fix bug in compensation code
iio: sx9500: rework error handling of raw readings
iio: magnetometer: mmc35240: fix available sampling frequencies
...
Here are some char and misc driver fixes for reported issues. One
parport patch is reverted as it was incorrect, thanks to testing by the
0-day bot.
Full details in the shortlog below.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-4.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are some char and misc driver fixes for reported issues.
One parport patch is reverted as it was incorrect, thanks to testing
by the 0-day bot"
* tag 'char-misc-4.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
parport: Revert "parport: fix memory leak"
mei: prevent unloading mei hw modules while the device is opened.
misc: mic: scif bug fix for vmalloc_to_page crash
parport: fix freeing freed memory
parport: fix memory leak
parport: fix error handling
double iteration list (one for registered ftrace ops, and one for
registered "global" ops), to just use one list. That simplified the code
but also broke the function tracing filtering on pid.
This updates the code to handle the filtering again with the new logic.
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Merge tag 'trace-v4.2-rc2-fix3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull ftrace fix from Steven Rostedt:
"Back in 3.16 the ftrace code was redesigned and cleaned up to remove
the double iteration list (one for registered ftrace ops, and one for
registered "global" ops), to just use one list. That simplified the
code but also broke the function tracing filtering on pid.
This updates the code to handle the filtering again with the new
logic"
* tag 'trace-v4.2-rc2-fix3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
ftrace: Fix breakage of set_ftrace_pid
Pull libnvdimm fix from Dan Williams:
"A minor fix for the libnvdimm subsystem.
This is not critical. The problem can be worked around in userspace
by putting the namespace temporarily into raw mode
(ndctl_namespace_set_raw_mode() from libndctl), but that is awkward
for management utilities.
* 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/nvdimm:
libnvdimm: fix namespace seed creation
Several are tagged for -stable.
A few aren't because they are not very, serious or
because they are in the 'experimental' cluster code.
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Merge tag 'md/4.2-fixes' of git://neil.brown.name/md
Pull md fixes from Neil Brown:
"Some md fixes for 4.2
Several are tagged for -stable.
A few aren't because they are not very, serious or because they are in
the 'experimental' cluster code"
* tag 'md/4.2-fixes' of git://neil.brown.name/md:
md/raid5: clear R5_NeedReplace when no longer needed.
Fix read-balancing during node failure
md-cluster: fix bitmap sub-offset in bitmap_read_sb
md: Return error if request_module fails and returns positive value
md: Skip cluster setup in case of error while reading bitmap
md/raid1: fix test for 'was read error from last working device'.
md: Skip cluster setup for dm-raid
md: flush ->event_work before stopping array.
md/raid10: always set reshape_safe when initializing reshape_position.
md/raid5: avoid races when changing cache size.
Two trivial updates. I meant to send these much earlier, but I've been
preoccupied.
* Add MAINTAINERS entry for diskonchip g3 driver
* Fix an overlooked conflict in bitfield value assignments
The latter update is a bit overdue, but there's no reason to wait any longer.
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Merge tag 'for-linus-20150724' of git://git.infradead.org/linux-mtd
Pull MTD fixes from Brian Norris:
"Two trivial updates. I meant to send these much earlier, but I've
been preoccupied.
- Add MAINTAINERS entry for diskonchip g3 driver
- Fix an overlooked conflict in bitfield value assignments
The latter update is a bit overdue, but there's no reason to wait any
longer"
* tag 'for-linus-20150724' of git://git.infradead.org/linux-mtd:
mtd: nand: Fix NAND_USE_BOUNCE_BUFFER flag conflict
MAINTAINERS: mtd: docg3: add docg3 maintainer
A new BLK namespace "seed" device is created whenever the current seed
is successfully probed. However, if that namespace is assigned to a BTT
it may never directly experience a successful probe as it is a
subordinate device to a BTT configuration.
The effect of the current code is that no new namespaces can be
instantiated, after the seed namespace, to consume available BLK DPA
capacity. Fix this by treating a successful BTT probe event as a
successful probe event for the backing namespace.
Reported-by: Nicholas Moulin <nicholas.w.moulin@linux.intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Pablo Neira Ayuso says:
====================
Netfilter/IPVS fixes for net
The following patchset contains ten Netfilter/IPVS fixes, they are:
1) Address refcount leak when creating an expectation from the ctnetlink
interface.
2) Fix bug splat in the IDLETIMER target related to sysfs, from Dmitry
Torokhov.
3) Resolve panic for unreachable route in IPVS with locally generated
traffic in the output path, from Alex Gartrell.
4) Fix wrong source address in rare cases for tunneled traffic in IPVS,
from Julian Anastasov.
5) Fix crash if scheduler is changed via ipvsadm -E, again from Julian.
6) Make sure skb->sk is unset for forwarded traffic through IPVS, again from
Alex Gartrell.
7) Fix crash with IPVS sync protocol v0 and FTP, from Julian.
8) Reset sender cpu for forwarded traffic in IPVS, also from Julian.
9) Allocate template conntracks through kmalloc() to resolve netns dependency
problems with the conntrack kmem_cache.
10) Fix zones with expectations that clash using the same tuple, from Joe
Stringer.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Jeff Kirsher says:
====================
Intel Wired LAN Driver Updates 2015-07-23
This series contains updates to e1000e, igb, ixgbevf, i40e and i40evf.
Emil extends the reporting of the RSS key and hash table by adding support
for x550 VFs.
Jia-Ju Bai fixes a QoS issue in e1000e where the error handling lacked a
call to pm_qos_remove_request() to cleanup the QoS request made in
e1000_open().
Todd updates igb to report unsupported for ethtool coalesce settings
that are not supported. Also updated the driver to use the ARRAY_SIZE()
macro.
Carolyn fixes and refactors the dynamic ITR code for i40e and i40evf
which would never change dynamically. So update the switch() statement
to have a default case and switch on "new_latency_range" versus the
current ITR setting.
Shannon cleans up i40e code, where there were un-needed goto's. Also
clean up error status messages that were causing some confusion in
PHY and FCoE setup error reports.
Mitch updates the virtual channel interface to prepare for the x722 device
and other future devices, so that the VF driver can report what its
capable of supporting to the PF driver. Updates the i40evf driver to
handle resets like Core or EMP resets, where the device is reinitialized
and the VF will not get the same VSI.
Jesse updates the i40e and i40evf driver to use the kernel BIT() and
BIT_ULL() macros.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
When the headset was plugged in the Dell desktop, the mic of headset
can't be detected and workable.
According to the alsa-info, we found the differece between alsa and
init_pin_configs on the machine, so we need to add the pin configs to
make headset work.
Codec: Realtek ALC3234
Vendor Id: 0x10ec0255
Subsystem Id: 0x102806bb
BugLink: https://bugs.launchpad.net/bugs/1477900
Signed-off-by: Woodrow Shen <woodrow.shen@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Smatch complains that we have nested checks for "spdif_present". It
turns out the current behavior isn't correct, we should remove the first
check and keep the second.
Fixes: 1077a02481 ('ALSA: hda - Use generic parser for Cirrus codec driver')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Otherwise the skbuff related structures are not correctly
refcount'ed.
Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch fixes setting of vinfo.flags in the br_fill_ifvlaninfo_range() method. The
assignment of vinfo.flags &= ~BRIDGE_VLAN_INFO_RANGE_BEGIN has no effect and is
unneeded, as vinfo.flags value is overriden by the immediately following
vinfo.flags = flags | BRIDGE_VLAN_INFO_RANGE_END assignement.
Signed-off-by: Rami Rosen <rami.rosen@intel.com>
Acked-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Julian Anastasov says:
====================
ipv4: fib_select_default changes
This patchset contains 2 changes for the alternative routes,
one to add tb_id/fa_slen check needed after the recent
fib_trie optimizations for fib aliases and the second
change attempts to support alternative routes with TOS
requirement.
Sorry that I don't have access to the original
report from Hagen Paul Pfeifer. I hope he will see this
change.
The second change adds fa_default field to the
fib aliases (which can be many) and if the feature to
filter the alternative routes by TOS is not worth it,
this second patch can be scrapped.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
fib_select_default considers alternative routes only when
res->fi is for the first alias in res->fa_head. In the
common case this can happen only when the initial lookup
matches the first alias with highest TOS value. This
prevents the alternative routes to require specific TOS.
This patch solves the problem as follows:
- routes that require specific TOS should be returned by
fib_select_default only when TOS matches, as already done
in fib_table_lookup. This rule implies that depending on the
TOS we can have many different lists of alternative gateways
and we have to keep the last used gateway (fa_default) in first
alias for the TOS instead of using single tb_default value.
- as the aliases are ordered by many keys (TOS desc,
fib_priority asc), we restrict the possible results to
routes with matching TOS and lowest metric (fib_priority)
and routes that match any TOS, again with lowest metric.
For example, packet with TOS 8 can not use gw3 (not lowest
metric), gw4 (different TOS) and gw6 (not lowest metric),
all other gateways can be used:
tos 8 via gw1 metric 2 <--- res->fa_head and res->fi
tos 8 via gw2 metric 2
tos 8 via gw3 metric 3
tos 4 via gw4
tos 0 via gw5
tos 0 via gw6 metric 1
Reported-by: Hagen Paul Pfeifer <hagen@jauu.net>
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: David S. Miller <davem@davemloft.net>
fib_trie starting from 4.1 can link fib aliases from
different prefixes in same list. Make sure the alternative
gateways are in same table and for same prefix (0) by
checking tb_id and fa_slen.
Fixes: 79e5ad2ceb ("fib_trie: Remove leaf_info")
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add be_get_phys_port_id() function to report physical port id. The port id
should be unique across different be2net devices in the system. We use the
chip serial number along with the physical port number for this.
Signed-off-by: Sriharsha Basavapatna <sriharsha.basavapatna@avagotech.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix build breakage and set the protocol identifier based on the parameter.
Fixes: 9ac8928e6a ("target: simplify the target template registration API")
Fixes: e4aae5af81 ("target: change core_tpg_register prototype")
Signed-off-by: Sebastian Herbszt <herbszt@gmx.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Pull block fixes from Jens Axboe:
"Four smaller fixes for the current series. This contains:
- A fix for clones of discard bio's, that can cause data corruption.
From Martin.
- A fix for null_blk, where in certain queue modes it could access a
request after it had been freed. From Mike Krinkin.
- An error handling leak fix for blkcg, from Tejun.
- Also from Tejun, export of the functions that a file system needs
to implement cgroup writeback support"
* 'for-linus' of git://git.kernel.dk/linux-block:
block: Do a full clone when splitting discard bios
block: export bio_associate_*() and wbc_account_io()
blkcg: fix gendisk reference leak in blkg_conf_prep()
null_blk: fix use-after-free problem
Pull libata fixes from Tejun Heo:
"A couple important fixes.
- A block layer change which removed restriction on max transfer size
led to silent data corruption on some devices. A new quirk is
added to restore the old size limit for the reported device. If it
gets reported on more devices, we might have to consider restoring
the restriction for ATA devices by default.
- There finally is a SSD which is confirmed to cause data corruption
on TRIM regardless of which flavor is used. A new quirk is added
and the device is blacklisted
- Other device-specific workarounds"
* 'for-4.2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata:
libata: Do not blacklist M510DC
libata: increase the timeout when setting transfer mode
libata: add ATA_HORKAGE_MAX_SEC_1024 to revert back to previous max_sectors limit
libata: force disable trim for SuperSSpeed S238
libata: add ATA_HORKAGE_NOTRIM
libata: add ATA_HORKAGE_BROKEN_FPDMA_AA quirk for HP 250GB SATA disk VB0250EAVER
ata: pmp: add quirk for Marvell 4140 SATA PMP
- Fix a reference inbalance issue for power_ro_lock_show() sysfs handler
MMC host:
- omap_hsmmc: Fix IRQ errorhandling for CD, DTO, and CRC
- sdhci: Prevent a kernel panic while using DMA
- mtk-sd: Let it depend on HAS_DMA to prevent build errors
- sdhci-esdhc: Make 8BIT bus work
- sdhci-esdhc-imx: Fix some regressions for DT based platforms
- sdhci-pxav3: Fix a regression for DT based platforms
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Merge tag 'mmc-4.2-rc3' of git://git.linaro.org/people/ulf.hansson/mmc
Pull MMC fixes from Ulf Hansson:
"Here are some mmc fixes intended for v4.2 rc4.
Note, most of the changes are for the sdhci-esdhc-imx controller,
which also required us to modify some related DTS files. Those
changes have been acked by the SoC maintainer.
MMC core:
- Fix a reference inbalance issue for power_ro_lock_show() sysfs handler
MMC host:
- omap_hsmmc: Fix IRQ errorhandling for CD, DTO, and CRC
- sdhci: Prevent a kernel panic while using DMA
- mtk-sd: Let it depend on HAS_DMA to prevent build errors
- sdhci-esdhc: Make 8BIT bus work
- sdhci-esdhc-imx: Fix some regressions for DT based platforms
- sdhci-pxav3: Fix a regression for DT based platforms"
* tag 'mmc-4.2-rc3' of git://git.linaro.org/people/ulf.hansson/mmc:
mmc: sdhci-pxav3: fix platform_data is not initialized
dts: mmc: fsl-imx-esdhc: remove fsl,cd-controller support
mmc: sdhci-esdhc-imx: clear f_max in boarddata
mmc: sdhci-esdhc-imx: remove duplicated dts parsing
mmc: sdhci: make max-frequency property in device tree work
mmc: sdhci-esdhc-imx: move all non dt probe code into one function
mmc: sdhci-esdhc-imx: fix cd regression for dt platform
dts: imx7: fix sd card gpio polarity specified in device tree
dts: imx25: fix sd card gpio polarity specified in device tree
dts: imx6: fix sd card gpio polarity specified in device tree
dts: imx53: fix sd card gpio polarity specified in device tree
dts: imx51: fix sd card gpio polarity specified in device tree
mmc: sdhci-esdhc: Make 8BIT bus work
mmc: block: Add missing mmc_blk_put() in power_ro_lock_show()
mmc: MMC_MTK should depend on HAS_DMA
mmc: sdhci check parameters before call dma_free_coherent
mmc: omap_hsmmc: Handle BADA, DEB and CEB interrupts
mmc: omap_hsmmc: Fix DTO and DCRC handling
Pull input fixes from Dmitry Torokhov:
"A fix for the warnings/oops when handling HID devices with "unnamed"
LEDs and couple of other driver fixups""
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: goodix - fix touch coordinates on WinBook TW100 and TW700
Input: LEDs - skip unnamed LEDs
Input: usbtouchscreen - avoid unresponsive TSC-30 touch screen
Input: elantech - force resolution of 31 u/mm
Input: zforce - don't overwrite the stack
This patch fixes a bug in iser-target code where the REJECT CM event
handler code currently performs a isert_put_conn() for the final
isert_conn->kref put, while iscsi_np process context is still blocked
in isert_get_login_rx().
Once isert_get_login_rx() is awoking due to login timeout, iscsi_np
process context will attempt to invoke iscsi_target_login_sess_out()
to cleanup iscsi_conn as expected, and calls isert_wait_conn() +
isert_free_conn() which triggers the use-after-free OOPs.
To address this bug, move the kref_get_unless_zero() call from
isert_connected_handler() into isert_connect_request() immediately
preceeding isert_rdma_accept() to ensure the CM handler cleanup
paths and isert_free_conn() are always operating with two refs.
Cc: Sagi Grimberg <sagig@mellanox.com>
Cc: <stable@vger.kernel.org> # v3.10+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This patch fixes a regression introduced with the following commit
in v4.0-rc1 code, where an explicit iser-target logout would result
in ->tx_thread_active being incorrectly cleared by the logout post
handler, and subsequent TX kthread leak:
commit 88dcd2dab5
Author: Nicholas Bellinger <nab@linux-iscsi.org>
Date: Thu Feb 26 22:19:15 2015 -0800
iscsi-target: Convert iscsi_thread_set usage to kthread.h
To address this bug, change iscsit_logout_post_handler_closesession()
and iscsit_logout_post_handler_samecid() to only cmpxchg() on
->tx_thread_active for traditional iscsi/tcp connections.
This is required because iscsi/tcp connections are invoking logout
post handler logic directly from TX kthread context, while iser
connections are invoking logout post handler logic from a seperate
workqueue context.
Cc: Sagi Grimberg <sagig@mellanox.com>
Cc: <stable@vger.kernel.org> # v3.10+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This patch fixes a regression introduced with the following commit
in v4.0-rc1 code, where a iscsit_start_kthreads() failure triggers
a NULL pointer dereference OOPs:
commit 88dcd2dab5
Author: Nicholas Bellinger <nab@linux-iscsi.org>
Date: Thu Feb 26 22:19:15 2015 -0800
iscsi-target: Convert iscsi_thread_set usage to kthread.h
To address this bug, move iscsit_start_kthreads() immediately
preceeding the transmit of last login response, before signaling
a successful transition into full-feature-phase within existing
iscsi_target_do_tx_login_io() logic.
This ensures that no target-side resource allocation failures can
occur after the final login response has been successfully sent.
Also, it adds a iscsi_conn->rx_login_comp to allow the RX thread
to sleep to prevent other socket related failures until the final
iscsi_post_login_handler() call is able to complete.
Cc: Sagi Grimberg <sagig@mellanox.com>
Cc: <stable@vger.kernel.org> # v3.10+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
