Commit Graph

414505 Commits

Author SHA1 Message Date
Kelly Doran 854cc0e4cb drm/nvc0/gr: fix mthd data submission
If the initial data element is 0, it will never be written, even
though the value from the previous method may be there.

Signed-off-by: Kelly Doran <kel.p.doran@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-01-07 13:37:54 +10:00
Ben Skeggs 61b365a505 drm/nouveau: populate master subdev pointer only when fully constructed
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-01-07 13:37:36 +10:00
Linus Torvalds ef350bb7c5 Fix a regression introduced in v3.13-rc6
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Merge tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

Pull ext4 bugfix from Ted Ts'o:
 "Fix a regression introduced in v3.13-rc6"

* tag 'ext4_for_linus_stable' of http://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
  ext4: fix bigalloc regression
2014-01-07 08:22:42 +08:00
Linus Torvalds a707271a81 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:
 "I'm hoping this is the very last batch of networking fixes for 3.13,
  here goes nothing:

   1) Fix crashes in VLAN's header_ops passthru.

   2) Bridge multicast code needs to use BH spinlocks to prevent
      deadlocks with timers.  From Curt Brune.

   3) ipv6 tunnels lack proper synchornization when updating percpu
      statistics.  From Li RongQing.

   4) Fixes to bnx2x driver from Yaniv Rosner, Dmitry Kravkov and Michal
      Kalderon.

   5) Avoid undefined operator evaluation order in llc code, from Daniel
      Borkmann.

   6) Error paths in various GSO offload paths do not unwind properly,
      in particular they must undo any modifications they have made to
      the SKB.  From Wei-Chun Chao.

   7) Fix RX refill races during restore in virtio-net, from Jason Wang.

   8) Fix SKB use after free in LLC code, from Daniel Borkmann.

   9) Missing unlock and OOPS in netpoll code when VLAN tag handling
      fails.

  10) Fix vxlan device attachment wrt ipv6, from Fan Du.

  11) Don't allow creating infiniband links to non-infiniband devices,
      from Hangbin Liu.

  12) Revert FEC phy reset active low change, it breaks things.  From
      Fabio Estevam.

  13) Fix header pointer handling in 6lowpan header building code, from
      Daniel Borkmann.

  14) Fix RSS handling in be2net driver, from Vasundhara Volam.

  15) Fix modem port indexing in HSO driver, from Dan Williams"

* http://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (38 commits)
  bridge: use spin_lock_bh() in br_multicast_set_hash_max
  ipv6: don't install anycast address for /128 addresses on routers
  hso: fix handling of modem port SERIAL_STATE notifications
  isdn: Drop big endian cpp checks from telespci and hfc_pci drivers
  be2net: fix max_evt_qs calculation for BE3 in SR-IOV config
  be2net: increase the timeout value for loopback-test FW cmd
  be2net: disable RSS when number of RXQs is reduced to 1 via set-channels
  xen-netback: Include header for vmalloc
  net: 6lowpan: fix lowpan_header_create non-compression memcpy call
  fec: Revert "fec: Do not assume that PHY reset is active low"
  bnx2x: fix VLAN configuration for VFs.
  bnx2x: fix AFEX memory overflow
  bnx2x: Clean before update RSS arrives
  bnx2x: Correct number of MSI-X vectors for VFs
  bnx2x: limit number of interrupt vectors for 57711
  qlcnic: Fix bug in Tx completion path
  infiniband: make sure the src net is infiniband when create new link
  {vxlan, inet6} Mark vxlan_dev flags with VXLAN_F_IPV6 properly
  cxgb4: allow large buffer size to have page size
  netpoll: Fix missing TXQ unlock and and OOPS.
  ...
2014-01-07 08:16:28 +08:00
Rafael J. Wysocki 77410baf45 Merge branches 'acpi-battery' and 'pm-cpufreq'
* acpi-battery:
  ACPI / Battery: Add a _BIX quirk for NEC LZ750/LS

* pm-cpufreq:
  intel_pstate: Add X86_FEATURE_APERFMPERF to cpu match parameters.
2014-01-06 22:49:08 +01:00
Curt Brune fe0d692bbc bridge: use spin_lock_bh() in br_multicast_set_hash_max
br_multicast_set_hash_max() is called from process context in
net/bridge/br_sysfs_br.c by the sysfs store_hash_max() function.

br_multicast_set_hash_max() calls spin_lock(&br->multicast_lock),
which can deadlock the CPU if a softirq that also tries to take the
same lock interrupts br_multicast_set_hash_max() while the lock is
held .  This can happen quite easily when any of the bridge multicast
timers expire, which try to take the same lock.

The fix here is to use spin_lock_bh(), preventing other softirqs from
executing on this CPU.

Steps to reproduce:

1. Create a bridge with several interfaces (I used 4).
2. Set the "multicast query interval" to a low number, like 2.
3. Enable the bridge as a multicast querier.
4. Repeatedly set the bridge hash_max parameter via sysfs.

  # brctl addbr br0
  # brctl addif br0 eth1 eth2 eth3 eth4
  # brctl setmcqi br0 2
  # brctl setmcquerier br0 1

  # while true ; do echo 4096 > /sys/class/net/br0/bridge/hash_max; done

Signed-off-by: Curt Brune <curt@cumulusnetworks.com>
Signed-off-by: Scott Feldman <sfeldma@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-06 16:39:47 -05:00
Hannes Frederic Sowa 88ad31491e ipv6: don't install anycast address for /128 addresses on routers
It does not make sense to create an anycast address for an /128-prefix.
Suppress it.

As 32019e651c ("ipv6: Do not leave router anycast address for /127
prefixes.") shows we also may not leave them, because we could accidentally
remove an anycast address the user has allocated or got added via another
prefix.

Cc: François-Xavier Le Bail <fx.lebail@yahoo.com>
Cc: Thomas Haller <thaller@redhat.com>
Cc: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-06 16:32:43 -05:00
Dan Williams e5e97ee956 hso: fix handling of modem port SERIAL_STATE notifications
The existing serial state notification handling expected older Option
devices, having a hardcoded assumption that the Modem port was always
USB interface #2.  That isn't true for devices from the past few years.

hso_serial_state_notification is a local cache of a USB Communications
Interface Class SERIAL_STATE notification from the device, and the
USB CDC specification (section 6.3, table 67 "Class-Specific Notifications")
defines wIndex as the USB interface the event applies to.  For hso
devices this will always be the Modem port, as the Modem port is the
only port which is set up to receive them by the driver.

So instead of always expecting USB interface #2, instead validate the
notification with the actual USB interface number of the Modem port.

Signed-off-by: Dan Williams <dcbw@redhat.com>
Tested-by: H. Nikolaus Schaller <hns@goldelico.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-06 16:29:44 -05:00
Lan Tianyu a90b403857 ACPI / Battery: Add a _BIX quirk for NEC LZ750/LS
The AML method _BIX of NEC LZ750/LS returns a broken package which
skips the first member "Revision" (ACPI 5.0, Table 10-234).

Add a quirk for this machine to skip member "Revision" during parsing
the package returned by _BIX.

Reference: https://bugzilla.kernel.org/show_bug.cgi?id=67351
Reported-and-tested-by: Francisco Castro <fcr@adinet.com.uy>
Cc: 3.8+ <stable@vger.kernel.org> " 3.8+
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Reviewed-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-01-06 22:28:57 +01:00
Dirk Brandewie 6cbd7ee10e intel_pstate: Add X86_FEATURE_APERFMPERF to cpu match parameters.
KVM environments do not support APERF/MPERF MSRs. intel_pstate cannot
operate without these registers.

The previous validity checks in intel_pstate_msrs_not_valid() are
insufficent in nested KVMs.

References: https://bugzilla.redhat.com/show_bug.cgi?id=1046317
Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
Cc: All applicable <stable@vger.kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-01-06 22:16:14 +01:00
Guenter Roeck 22d3b76ed7 isdn: Drop big endian cpp checks from telespci and hfc_pci drivers
With arm:allmodconfig, building the Teles PCI driver fails with

telespci.c:294:2: error: #error "not running on big endian machines now"

Similar, building the driver for HFC PCI-Bus cards fails with

hfc_pci.c:1647:2: error: #error "not running on big endian machines now"

Remove the big endian cpp check from both drivers to fix the build errors.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-06 15:50:51 -05:00
John W. Linville e46316c86e Merge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-fixes 2014-01-06 14:20:07 -05:00
John W. Linville a50f9d5ee0 Merge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211 2014-01-06 14:19:18 -05:00
Eric Whitney d0abafac8c ext4: fix bigalloc regression
Commit f5a44db5d2 introduced a regression on filesystems created with
the bigalloc feature (cluster size > blocksize).  It causes xfstests
generic/006 and /013 to fail with an unexpected JBD2 failure and
transaction abort that leaves the test file system in a read only state.
Other xfstests run on bigalloc file systems are likely to fail as well.

The cause is the accidental use of a cluster mask where a cluster
offset was needed in ext4_ext_map_blocks().

Signed-off-by: Eric Whitney <enwlinux@gmail.com>
2014-01-06 14:00:23 -05:00
David S. Miller ce088848c2 Merge branch 'be2net'
Sathya Perla says:

====================
be2net: patch set

Pls apply the following bug fixes to the 'net' tree. Thanks.

Suresh Reddy (2):
  be2net: increase the timeout value for loopback-test FW cmd
  be2net: fix max_evt_qs calculation for BE3 in SR-IOV config

Vasundhara Volam (1):
  be2net: disable RSS when number of RXQs is reduced to 1 via
    set-channels
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-06 13:09:26 -05:00
Suresh Reddy e3dc867c17 be2net: fix max_evt_qs calculation for BE3 in SR-IOV config
The driver wrongly assumes 16 EQs/vectors are available for each BE3 PF.
When SR-IOV is enabled, a BE3 PF can support only a max of 8 EQs.

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>
2014-01-06 13:09:21 -05:00
Suresh Reddy 5eeff6354f be2net: increase the timeout value for loopback-test FW cmd
The loopback test FW cmd may need upto 15 seconds to complete on
certain PHYs. This patch also fixes the name of the completion variable
used to synchronize FW cmd completions as it not used by the flashing
cmd alone anymore.

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>
2014-01-06 13:09:21 -05:00
Vasundhara Volam da1388d655 be2net: disable RSS when number of RXQs is reduced to 1 via set-channels
When *only* the default RXQ is used, the RSS policy must be disabled so
that all IP and no-IP traffic is placed into the default RXQ. If not,
IP traffic is dropped.

Also, issue the RSS_CONFIG cmd only if FW advertises RSS capability for
the interface.
Signed-off-by: Vasundhara Volam <vasundhara.volam@emulex.com>
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-06 13:09:21 -05:00
Jesper Dangaard Brouer f2661adc0c netfilter: only warn once on wrong seqadj usage
Avoid potentially spamming the kernel log with WARN splash messages
when catching wrong usage of seqadj, by simply using WARN_ONCE.

This is a followup to commit db12cf2743 (netfilter: WARN about
wrong usage of sequence number adjustments)

Suggested-by: Flavio Leitner <fbl@redhat.com>
Suggested-by: Daniel Borkmann <dborkman@redhat.com>
Suggested-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2014-01-06 14:23:17 +01:00
Daniel Borkmann 2690d97ade netfilter: nf_nat: fix access to uninitialized buffer in IRC NAT helper
Commit 5901b6be88 attempted to introduce IPv6 support into
IRC NAT helper. By doing so, the following code seemed to be removed
by accident:

  ip = ntohl(exp->master->tuplehash[IP_CT_DIR_REPLY].tuple.dst.u3.ip);
  sprintf(buffer, "%u %u", ip, port);
  pr_debug("nf_nat_irc: inserting '%s' == %pI4, port %u\n", buffer, &ip, port);

This leads to the fact that buffer[] was left uninitialized and
contained some stack value. When we call nf_nat_mangle_tcp_packet(),
we call strlen(buffer) on excatly this uninitialized buffer. If we
are unlucky and the skb has enough tailroom, we overwrite resp. leak
contents with values that sit on our stack into the packet and send
that out to the receiver.

Since the rather informal DCC spec [1] does not seem to specify
IPv6 support right now, we log such occurences so that admins can
act accordingly, and drop the packet. I've looked into XChat source,
and IPv6 is not supported there: addresses are in u32 and print
via %u format string.

Therefore, restore old behaviour as in IPv4, use snprintf(). The
IRC helper does not support IPv6 by now. By this, we can safely use
strlen(buffer) in nf_nat_mangle_tcp_packet() and prevent a buffer
overflow. Also simplify some code as we now have ct variable anyway.

  [1] http://www.irchelp.org/irchelp/rfc/ctcpspec.html

Fixes: 5901b6be88 ("netfilter: nf_nat: support IPv6 in IRC NAT helper")
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Cc: Harald Welte <laforge@gnumonks.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2014-01-06 14:17:17 +01:00
Alexander van Heukelum be505f6439 Revert "drm/i915: assume all GM45 Acer laptops use inverted backlight PWM"
My Acer 8510TZ stops displaying anything when X starts with Linus' current
tree. I bisected it down to commit ee1452d745.

This patch reverts commit ee1452d745.

After the revert, everything works as before.

Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm>
Reported-by: Dylan Borg <borgdylan@hotmail.com> (for a Acer Extensa 5635Z)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2014-01-06 11:16:39 +01:00
Ben Widawsky 058840c7a0 drm/i915/bdw: Flush system agent on gen8 also
gem_gtt_cpu_tlb seems to indicate that it is needed.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=72869

Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2014-01-06 11:11:04 +01:00
Mike Turquette 497d2214e5 Samsung Clock fixes for 3.13-rc7
* Several patches fixing up incorrectly defined register addresses and
   bitfield offsets that could lead to undefined operation when accessing
   respective registers or bitfields.
 
  1) clk: exynos5250: fix sysmmu_mfc{l,r} gate clocks
 
  2a) clk: samsung: exynos5250: Fix ACP gate register offset
  2b) clk: samsung: exynos5250: Add MDMA0 clocks
  2c) ARM: dts: exynos5250: Fix MDMA0 clock number
 
  3) clk: samsung: exynos4: Correct SRC_MFC register
 
    All three issues have been present since Exynos5250 and Exynos4 clock
    drivers were added by commits 6e3ad26816 ("clk: exynos5250:
    register clocks using common clock framework") and e062b57177
    ("clk: exynos4: register clocks using common clock framework")
    respectively.
 
 * Patch to fix automatic disabling of Exynos5250 sysreg clock that could
   cause undefined operation of several peripherals, such as USB, I2C,
   MIPI or display block.
 
  4) clk: samsung: exynos5250: Add CLK_IGNORE_UNUSED flag for the sysreg
     clock
 
    Present since Exynos5250 clock drivers was added by commits
    6e3ad26816 ("clk: exynos5250: register clocks using common clock
    framework").
 
 * Patch fixing compilation warning in clk-exynos-audss driver when
   CONFIG_PM_SLEEP is disabled.
 
  5) clk: exynos: File scope reg_save array should depend on PM_SLEEP
 
    Present since the driver was added by commit 1241ef94cc ("clk:
    samsung: register audio subsystem clocks using common clock
    framework").
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Merge tag 'samsung-clk-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tfiga/samsung-clk into clk-fixes

Samsung Clock fixes for 3.13-rc7

* Several patches fixing up incorrectly defined register addresses and
  bitfield offsets that could lead to undefined operation when accessing
  respective registers or bitfields.

 1) clk: exynos5250: fix sysmmu_mfc{l,r} gate clocks

 2a) clk: samsung: exynos5250: Fix ACP gate register offset
 2b) clk: samsung: exynos5250: Add MDMA0 clocks
 2c) ARM: dts: exynos5250: Fix MDMA0 clock number

 3) clk: samsung: exynos4: Correct SRC_MFC register

   All three issues have been present since Exynos5250 and Exynos4 clock
   drivers were added by commits 6e3ad26816 ("clk: exynos5250:
   register clocks using common clock framework") and e062b57177
   ("clk: exynos4: register clocks using common clock framework")
   respectively.

* Patch to fix automatic disabling of Exynos5250 sysreg clock that could
  cause undefined operation of several peripherals, such as USB, I2C,
  MIPI or display block.

 4) clk: samsung: exynos5250: Add CLK_IGNORE_UNUSED flag for the sysreg
    clock

   Present since Exynos5250 clock drivers was added by commits
   6e3ad26816 ("clk: exynos5250: register clocks using common clock
   framework").

* Patch fixing compilation warning in clk-exynos-audss driver when
  CONFIG_PM_SLEEP is disabled.

 5) clk: exynos: File scope reg_save array should depend on PM_SLEEP

   Present since the driver was added by commit 1241ef94cc ("clk:
   samsung: register audio subsystem clocks using common clock
   framework").
2014-01-05 21:36:43 -08:00
Josh Boyer f35f76ee76 xen-netback: Include header for vmalloc
Commit ac3d5ac277 ("xen-netback: fix guest-receive-side array sizes")
added calls to vmalloc and vfree in the interface.c file without including
<linux/vmalloc.h>.  This causes build failures if the
-Werror=implicit-function-declaration flag is passed.

Signed-off-by: Josh Boyer <jwboyer@fedoraproject.org>
Acked-by: Wei Liu <wei.liu2@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-05 20:34:36 -05:00
Daniel Borkmann 965801e1eb net: 6lowpan: fix lowpan_header_create non-compression memcpy call
In function lowpan_header_create(), we invoke the following code
construct:

  struct ipv6hdr *hdr;
  ...
  hdr = ipv6_hdr(skb);
  ...
  if (...)
    memcpy(hc06_ptr + 1, &hdr->flow_lbl[1], 2);
  else
    memcpy(hc06_ptr, &hdr, 4);

Where the else path of the condition, that is, non-compression
path, calls memcpy() with a pointer to struct ipv6hdr *hdr as
source, thus two levels of indirection. This cannot be correct,
and likely only one level of pointer was intended as source
buffer for memcpy() here.

Fixes: 44331fe2aa ("IEEE802.15.4: 6LoWPAN basic support")
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Cc: Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
Cc: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Cc: Werner Almesberger <werner@almesberger.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-05 20:25:24 -05:00
Fabio Estevam 7d30622dbe fec: Revert "fec: Do not assume that PHY reset is active low"
In order to keep DT compatibility we need to revert this, otherwise the original
dts files will no longer work with this driver change.

This reverts commit 7a399e3a2e.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-05 20:24:28 -05:00
David S. Miller 723a6c7a29 Merge branch 'bnx2x'
Yuval Mintz says:

====================
bnx2x: Bug fixes patch series

Most of what this parch series contains is SR-IOV related bug fixes.
Additionally, it contains some small fixes for legacy devices/modes.

Please consider applying these patches to `net'.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-05 20:23:12 -05:00
Yuval Mintz e8379c7954 bnx2x: fix VLAN configuration for VFs.
If the hypervisor configures a vlan for the VF via the PF, the expected
result is that only packets tagged by said vlan will be received by the VF
(and that vlan will be silently removed).
Due to an incorrect manipulation of vlan filters in the driver, the
VF can receive untagged traffic even if the hypervisor configured
some vlan for it.

This patch corrects the behaviour.

Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-05 20:22:33 -05:00
Yuval Mintz 9dfef3adae bnx2x: fix AFEX memory overflow
There are 2 different (related) flows in the slowpath configuration
that utilize the same pointer and cast it to different structs;
This is obviously incorrect as the intended allocated memory is that
of the smaller struct, possibly causing the flow utilizing the larger
struct to corrupt other slowpath configuration.

Since both flows are exclusive, set the allocated memory to be a union
of both structs.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-05 20:22:25 -05:00
Michal Kalderon 5b622918cd bnx2x: Clean before update RSS arrives
When a PF receives a VF message indicating a change in RSS properties
it should clean the flags' bit-fields; Otherwise, it's possible that
some random values will be considered as flags by the lower layers configuring
the RSS in FW.

Signed-off-by: Michal Kalderon <michals@broadcom.com>
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-05 20:22:24 -05:00
Michal Kalderon 89e18ae6e6 bnx2x: Correct number of MSI-X vectors for VFs
Number of VFs in PCIe configuration space is zero-based. Driver incorrectly
sets the number of VFs to be larger by one than what actually is feasible by
HW, which might cause later VFs to fail to allocate their MSI-X interrupts.

Signed-off-by: Michal Kalderon <michals@broadcom.com>
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-05 20:22:24 -05:00
Dmitry Kravkov e848582cee bnx2x: limit number of interrupt vectors for 57711
Original straightforward division may lead to zeroing number of SB and
null-pointer dereference when device is short of MSIX vectors or lacks
MSIX capabilities.

Reported-by: Vladislav Zolotarov <vladz@cloudius-systems.com>
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-05 20:22:24 -05:00
Linus Torvalds f0a679afef Merge branch 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm
Pull ARM fixes from Russell King:
 "Another set of small fixes for ARM, covering various areas.

  Laura fixed a long standing issue with virt_addr_valid() failing to
  handle holes in memory.  Steve found a problem with dcache flushing
  for compound pages.  I fixed another bug in footbridge stuff causing
  time to tick slowly, and also a problem with the AES code which can
  cause linker errors.

  A patch from Rob which fixes Xen problems induced by a lack of
  consistency in our naming of ioremap_cache() - which thankfully has
  very few users"

* 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
  ARM: 7933/1: rename ioremap_cached to ioremap_cache
  ARM: fix "bad mode in ... handler" message for undefined instructions
  CRYPTO: Fix more AES build errors
  ARM: 7931/1: Correct virt_addr_valid
  ARM: 7923/1: mm: fix dcache flush logic for compound high pages
  ARM: fix footbridge clockevent device
2014-01-06 12:20:45 +11:00
Rafael J. Wysocki c8d150761c Merge branches 'acpi-ac' and 'acpi-tpm'
* acpi-ac:
  ACPI / AC: change notification handler type to ACPI_ALL_NOTIFY

* acpi-tpm:
  ACPI / TPM: fix memory leak when walking ACPI namespace
2014-01-05 22:57:25 +01:00
Jiang Liu df45c712d1 ACPI / TPM: fix memory leak when walking ACPI namespace
In function ppi_callback(), memory allocated by acpi_get_name() will get
leaked when current device isn't the desired TPM device, so fix the
memory leak.

Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Cc: All applicable <stable@vger.kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-01-05 15:54:21 +01:00
Alexander Mezin 50a2bc5429 ACPI / AC: change notification handler type to ACPI_ALL_NOTIFY
With kernel 3.13rc5 there are no AC adapter notifications on my laptop.

Commit cc8ef52707 "ACPI / AC: convert ACPI ac driver to platform bus"
changed the driver to listen to device notifications only. However, AML
code on my laptop notifies the driver with zero event.

This patch changes the driver to listen to all events again.

Fixes: cc8ef52707 (ACPI / AC: convert ACPI ac driver to platform bus)
References: https://bugzilla.kernel.org/show_bug.cgi?id=67821
Signed-off-by: Alexander Mezin <mezin.alexander@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-01-05 15:42:42 +01:00
Rob Herring 0a5ccc8650 ARM: 7933/1: rename ioremap_cached to ioremap_cache
ioremap_cache is more aligned with other architectures.
There are only 2 users of this in the kernel: pxa2xx-flash and Xen.

This fixes Xen build failures on arm64:

drivers/tty/hvc/hvc_xen.c:233:2: error: implicit declaration of function 'ioremap_cached' [-Werror=implicit-function-declaration]
drivers/xen/grant-table.c:1174:3: error: implicit declaration of function 'ioremap_cached' [-Werror=implicit-function-declaration]
drivers/xen/xenbus/xenbus_probe.c:778:4: error: implicit declaration of function 'ioremap_cached' [-Werror=implicit-function-declaration]

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-01-05 14:00:01 +00:00
Russell King 29c350bf28 ARM: fix "bad mode in ... handler" message for undefined instructions
The array was missing the final entry for the undefined instruction
exception handler; this commit adds it.

Cc: <stable@vger.kernel.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-01-05 14:00:00 +00:00
Russell King d2eca20d77 CRYPTO: Fix more AES build errors
Building a multi-arch kernel results in:

arch/arm/crypto/built-in.o: In function `aesbs_xts_decrypt':
sha1_glue.c:(.text+0x15c8): undefined reference to `bsaes_xts_decrypt'
arch/arm/crypto/built-in.o: In function `aesbs_xts_encrypt':
sha1_glue.c:(.text+0x1664): undefined reference to `bsaes_xts_encrypt'
arch/arm/crypto/built-in.o: In function `aesbs_ctr_encrypt':
sha1_glue.c:(.text+0x184c): undefined reference to `bsaes_ctr32_encrypt_blocks'
arch/arm/crypto/built-in.o: In function `aesbs_cbc_decrypt':
sha1_glue.c:(.text+0x19b4): undefined reference to `bsaes_cbc_encrypt'

This code is already runtime-conditional on NEON being supported, so
there's no point compiling it out depending on the minimum build
architecture.

Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-01-05 13:59:56 +00:00
Linus Torvalds d11739e6d8 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc
Pull sparc bugfixes from David Miller:

 1) Missing include can lead to build failure, from Kirill Tkhai.

 2) Use dev_is_pci() where applicable, from Yijing Wang.

 3) Enable irqs after we enable preemption in cpu startup path, from
    Kirill Tkhai.

 4) Revert a __copy_{to,from}_user_inatomic change that broke
    iov_iter_copy_from_user_atomic() and thus several tests in xfstests
    and LTP.  From Dave Kleikamp.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
  Revert "sparc64: Fix __copy_{to,from}_user_inatomic defines."
  sparc64: smp_callin: Enable irqs after preemption is disabled
  sparc/PCI: Use dev_is_pci() to identify PCI devices
  sparc64: Fix build regression
2014-01-04 22:10:45 -08:00
Dave Kleikamp 16932237f2 Revert "sparc64: Fix __copy_{to,from}_user_inatomic defines."
This reverts commit 145e1c0023.

This commit broke the behavior of __copy_from_user_inatomic when
it is only partially successful. Instead of returning the number
of bytes not copied, it now returns 1. This translates to the
wrong value being returned by iov_iter_copy_from_user_atomic.

xfstests generic/246 and LTP writev01 both fail on btrfs and nfs
because of this.

Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: sparclinux@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-04 17:55:19 -08:00
Kirill Tkhai ce2521bf7d sparc64: smp_callin: Enable irqs after preemption is disabled
Most of other architectures have below suggested order.
So lets do the same to fit generic idle loop scheme better.

Signed-off-by: Kirill Tkhai <tkhai@yandex.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-04 17:55:19 -08:00
Yijing Wang bf70053c5d sparc/PCI: Use dev_is_pci() to identify PCI devices
Use dev_is_pci() instead of checking bus type directly.

Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-04 17:55:19 -08:00
Linus Torvalds d6e0a2dd12 Linux 3.13-rc7 2014-01-04 15:12:14 -08:00
Arron Wang d31652a26b NFC: Fix target mode p2p link establishment
With commit e29a9e2ae1, we set the active_target pointer from
nfc_dep_link_is_up() in order to support the case where the target
detection and the DEP link setting are done atomically by the driver.
That can only happen in initiator mode, so we need to check for that
otherwise we fail to bring a p2p link in target mode.

Signed-off-by: Arron Wang <arron.wang@intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2014-01-04 03:31:32 +01:00
Shahed Shaikh a02bdd423d qlcnic: Fix bug in Tx completion path
o Driver is using common tx_clean_lock for all Tx queues. This patch
  adds per queue tx_clean_lock.
o Driver is not updating sw_consumer while processing Tx completion
  when interface is going down. Fixed in this patch.

Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: Manish Chopra <manish.chopra@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-03 20:44:11 -05:00
Hangbin Liu 0d68fc4f12 infiniband: make sure the src net is infiniband when create new link
When we create a new infiniband link with uninfiniband device, e.g. `ip link
add link em1 type ipoib pkey 0x8001`. We will get a NULL pointer dereference
cause other dev like Ethernet don't have struct ib_device.

The code path is:
rtnl_newlink
  |-- ipoib_new_child_link
        |-- __ipoib_vlan_add
              |-- ipoib_set_dev_features
                    |-- ib_query_device

Fix this bug by make sure the src net is infiniband when create new link.

Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-03 20:38:56 -05:00
fan.du 7bda701e01 {vxlan, inet6} Mark vxlan_dev flags with VXLAN_F_IPV6 properly
Even if user doesn't supply the physical netdev to attach vxlan dev
to, and at the same time user want to vxlan sit top of IPv6, mark
vxlan_dev flags with VXLAN_F_IPV6 to create IPv6 based socket.
Otherwise kernel crashes safely every time spitting below messages,

Steps to reproduce:
ip link add vxlan0 type vxlan id 42 group ff0e::110
ip link set vxlan0 up

[   62.656266] BUG: unable to handle kernel NULL pointer dereference[   62.656320] ip (3008) used greatest stack depth: 3912 bytes left
 at 0000000000000046
[   62.656423] IP: [<ffffffff816d822d>] ip6_route_output+0xbd/0xe0
[   62.656525] PGD 2c966067 PUD 2c9a2067 PMD 0
[   62.656674] Oops: 0000 [#1] SMP
[   62.656781] Modules linked in: vxlan netconsole deflate zlib_deflate af_key
[   62.657083] CPU: 1 PID: 2128 Comm: whoopsie Not tainted 3.12.0+ #182
[   62.657083] Hardware name: innotek GmbH VirtualBox, BIOS VirtualBox 12/01/2006
[   62.657083] task: ffff88002e2335d0 ti: ffff88002c94c000 task.ti: ffff88002c94c000
[   62.657083] RIP: 0010:[<ffffffff816d822d>]  [<ffffffff816d822d>] ip6_route_output+0xbd/0xe0
[   62.657083] RSP: 0000:ffff88002fd038f8  EFLAGS: 00210296
[   62.657083] RAX: 0000000000000000 RBX: ffff88002fd039e0 RCX: 0000000000000000
[   62.657083] RDX: ffff88002fd0eb68 RSI: ffff88002fd0d278 RDI: ffff88002fd0d278
[   62.657083] RBP: ffff88002fd03918 R08: 0000000002000000 R09: 0000000000000000
[   62.657083] R10: 00000000000001ff R11: 0000000000000000 R12: 0000000000000001
[   62.657083] R13: ffff88002d96b480 R14: ffffffff81c8e2c0 R15: 0000000000000001
[   62.657083] FS:  0000000000000000(0000) GS:ffff88002fd00000(0063) knlGS:00000000f693b740
[   62.657083] CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
[   62.657083] CR2: 0000000000000046 CR3: 000000002c9d2000 CR4: 00000000000006e0
[   62.657083] Stack:
[   62.657083]  ffff88002fd03a40 ffffffff81c8e2c0 ffff88002fd039e0 ffff88002d96b480
[   62.657083]  ffff88002fd03958 ffffffff816cac8b ffff880019277cc0 ffff8800192b5d00
[   62.657083]  ffff88002d5bc000 ffff880019277cc0 0000000000001821 0000000000000001
[   62.657083] Call Trace:
[   62.657083]  <IRQ>
[   62.657083]  [<ffffffff816cac8b>] ip6_dst_lookup_tail+0xdb/0xf0
[   62.657083]  [<ffffffff816caea0>] ip6_dst_lookup+0x10/0x20
[   62.657083]  [<ffffffffa0020c13>] vxlan_xmit_one+0x193/0x9c0 [vxlan]
[   62.657083]  [<ffffffff8137b3b7>] ? account+0xc7/0x1f0
[   62.657083]  [<ffffffffa0021513>] vxlan_xmit+0xd3/0x400 [vxlan]
[   62.657083]  [<ffffffff8161390d>] dev_hard_start_xmit+0x49d/0x5e0
[   62.657083]  [<ffffffff81613d29>] dev_queue_xmit+0x2d9/0x480
[   62.657083]  [<ffffffff817cb854>] ? _raw_write_unlock_bh+0x14/0x20
[   62.657083]  [<ffffffff81630565>] ? eth_header+0x35/0xe0
[   62.657083]  [<ffffffff8161bc5e>] neigh_resolve_output+0x11e/0x1e0
[   62.657083]  [<ffffffff816ce0e0>] ? ip6_fragment+0xad0/0xad0
[   62.657083]  [<ffffffff816cb465>] ip6_finish_output2+0x2f5/0x470
[   62.657083]  [<ffffffff816ce166>] ip6_finish_output+0x86/0xc0
[   62.657083]  [<ffffffff816ce218>] ip6_output+0x78/0xb0
[   62.657083]  [<ffffffff816eadd6>] mld_sendpack+0x256/0x2a0
[   62.657083]  [<ffffffff816ebd8c>] mld_ifc_timer_expire+0x17c/0x290
[   62.657083]  [<ffffffff816ebc10>] ? igmp6_timer_handler+0x80/0x80
[   62.657083]  [<ffffffff816ebc10>] ? igmp6_timer_handler+0x80/0x80
[   62.657083]  [<ffffffff81051065>] call_timer_fn+0x45/0x150
[   62.657083]  [<ffffffff816ebc10>] ? igmp6_timer_handler+0x80/0x80
[   62.657083]  [<ffffffff81052353>] run_timer_softirq+0x1f3/0x2a0
[   62.657083]  [<ffffffff8102dfd8>] ? lapic_next_event+0x18/0x20
[   62.657083]  [<ffffffff8109e36f>] ? clockevents_program_event+0x6f/0x110
[   62.657083]  [<ffffffff8104a2f6>] __do_softirq+0xd6/0x2b0
[   62.657083]  [<ffffffff8104a75e>] irq_exit+0x7e/0xa0
[   62.657083]  [<ffffffff8102ea15>] smp_apic_timer_interrupt+0x45/0x60
[   62.657083]  [<ffffffff817d3eca>] apic_timer_interrupt+0x6a/0x70
[   62.657083]  <EOI>
[   62.657083]  [<ffffffff817d4a35>] ? sysenter_dispatch+0x7/0x1a
[   62.657083] Code: 4d 8b 85 a8 02 00 00 4c 89 e9 ba 03 04 00 00 48 c7 c6 c0 be 8d 81 48 c7 c7 48 35 a3 81 31 c0 e8 db 68 0e 00 49 8b 85 a8 02 00 00 <0f> b6 40 46 c0 e8 05 0f b6 c0 c1 e0 03 41 09 c4 e9 77 ff ff ff
[   62.657083] RIP  [<ffffffff816d822d>] ip6_route_output+0xbd/0xe0
[   62.657083]  RSP <ffff88002fd038f8>
[   62.657083] CR2: 0000000000000046
[   62.657083] ---[ end trace ba8a9583d7cd1934 ]---
[   62.657083] Kernel panic - not syncing: Fatal exception in interrupt

Signed-off-by: Fan Du <fan.du@windriver.com>
Reported-by: Ryan Whelan <rcwhelan@gmail.com>
Acked-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-03 20:36:00 -05:00
Thadeu Lima de Souza Cascardo 940d9d34a5 cxgb4: allow large buffer size to have page size
Since commit 52367a763d
("cxgb4/cxgb4vf: Code cleanup to enable T4 Configuration File support"),
we have failures like this during cxgb4 probe:

cxgb4 0000:01:00.4: bad SGE FL page buffer sizes [65536, 65536]
cxgb4: probe of 0000:01:00.4 failed with error -22

This happens whenever software parameters are used, without a
configuration file. That happens when the hardware was already
initialized (after kexec, or after csiostor is loaded).

It happens that these values are acceptable, rendering fl_pg_order equal
to 0, which is the case of a hard init when the page size is equal or
larger than 65536.

Accepting fl_large_pg equal to fl_small_pg solves the issue, and
shouldn't cause any trouble besides a possible performance reduction
when smaller pages are used. And that can be fixed by a configuration
file.

Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-03 19:27:57 -05:00
Linus Torvalds 9a2f1aad2f Two fixes:
- Fix build error caused by max17042_battery conversion to the regmap API.
 
 - Fix kernel oops when booting with wakeup_source_activate enabled.
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Merge tag 'for-v3.13-fixes' of git://git.infradead.org/battery-2.6

Pull battery fixes from Anton Vorontsov:
 "Two fixes:

   - fix build error caused by max17042_battery conversion to the regmap
     API.

   - fix kernel oops when booting with wakeup_source_activate enabled"

* tag 'for-v3.13-fixes' of git://git.infradead.org/battery-2.6:
  max17042_battery: Fix build errors caused by missing REGMAP_I2C config
  power_supply: Fix Oops from NULL pointer dereference from wakeup_source_activate
2014-01-03 13:48:25 -08:00