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Author SHA1 Message Date
Mark
b6a3ed6779 USB: storage: Add quirk for Ariston Technologies iConnect USB to SCSI adapter
Hi,

The Ariston Technologies iConnect 025 and iConnect 050 (also known as e.g.
iSCSI-50) are SCSI-USB converters which use Shuttle Technology/SCM
Microsystems chips. Only the connectors differ; both have the same USB ID.
The US_FL_SCM_MULT_TARG quirk is required to use SCSI devices with ID other
than 0.

I don't have one of these, but based on the other entries for Shuttle/
SCM-based converters this patch is very likely correct. I used 0x0000 and
0x9999 for bcdDeviceMin and bcdDeviceMax because I'm not sure which
bcdDevice value the products use.

Signed-off-by: Mark Knibbs <markk@clara.co.uk>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-09-19 15:01:38 -07:00
Mark
67d365a57a USB: storage: Add quirk for Adaptec USBConnect 2000 USB-to-SCSI Adapter
The Adaptec USBConnect 2000 is another SCSI-USB converter which uses
Shuttle Technology/SCM Microsystems chips. The US_FL_SCM_MULT_TARG quirk is
required to use SCSI devices with ID other than 0.

I don't have a USBConnect 2000, but based on the other entries for Shuttle/
SCM-based converters this patch is very likely correct. I used 0x0000 and
0x9999 for bcdDeviceMin and bcdDeviceMax because I'm not sure which
bcdDevice value the product uses.

Signed-off-by: Mark Knibbs <markk@clara.co.uk>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-09-19 15:01:38 -07:00
Alan Stern
7312b5ddd4 USB: EHCI: unlink QHs even after the controller has stopped
Old code in ehci-hcd tries to expedite disabling endpoints after the
controller has stopped, by destroying the endpoint's associated QH
without first unlinking the QH.  This was necessary back when the
driver wasn't so careful about keeping track of the controller's
state.

But now we are careful about it, and the driver knows that when the
controller isn't running, no unlinking delay is needed.  Furthermore,
skipping the unlink step will trigger a BUG() in qh_destroy() when the
preceding QH is released, because the link pointer will be non-NULL.

Removing the lines that skip the unlinking step and go directly to
QH_STATE_IDLE fixes the problem.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Reported-by: Joe Lawrence <joe.lawrence@stratus.com>
Tested-by: Joe Lawrence <joe.lawrence@stratus.com>
CC: <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-09-19 14:59:17 -07:00
Greg Kroah-Hartman
2d23d8ba31 misc fixes in PHY drivers
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Merge tag 'for_3.17-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux-phy into usb-linus

Kishon writes:

misc fixes in PHY drivers
2014-09-19 14:58:20 -07:00
David S. Miller
afbe7af1b2 linux-can-fixes-for-3.17-20140918
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Merge tag 'linux-can-fixes-for-3.17-20140918' of git://gitorious.org/linux-can/linux-can

Marc Kleine-Budde says:

====================
pull-request: can 2014-09-18

this is a pull request of 8 patches for current net.

A patch by Roger Quadros for the c_can driver fixes the swapped parameters of
the c_can_hw_raminit_ti() function. Oliver Hartkopp adds the missing PCI ids to
the peak_pci driver to support the single channel PCAN ExpressCard 34 adapter.
David Dueck converts the at91_can driver to use proper clock handling
functions. Then there are 5 patches by David Jander and me which fix several
mailbox related problems in the flexcan driver.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2014-09-19 17:34:25 -04:00
Samuel Gauthier
9b67aa4a82 openvswitch: restore OVS_FLOW_CMD_NEW notifications
Since commit fb5d1e9e12 ("openvswitch: Build flow cmd netlink reply only if needed."),
the new flows are not notified to the listeners of OVS_FLOW_MCGROUP.

This commit fixes the problem by using the genl function, ie
genl_has_listerners() instead of netlink_has_listeners().

Signed-off-by: Samuel Gauthier <samuel.gauthier@6wind.com>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Acked-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-09-19 17:28:26 -04:00
Nicolas Dichtel
0d566379c5 genetlink: add function genl_has_listeners()
This function is the counterpart of the function netlink_has_listeners().

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Acked-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-09-19 17:28:26 -04:00
Fabian Frederick
b3f2512ecd lib: rhashtable: remove second linux/log2.h inclusion
linux/log2.h was included twice.

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-09-19 17:08:52 -04:00
Francesco Ruggeri
0d0162e7a3 net: allow macvlans to move to net namespace
I cannot move a macvlan interface created on top of a bonding interface
to a different namespace:

% ip netns add dummy0
% ip link add link bond0 mac0 type macvlan
% ip link set mac0 netns dummy0
RTNETLINK answers: Invalid argument
%

The problem seems to be that commit f939981492 ("bonding: Don't allow
bond devices to change network namespaces.") sets NETIF_F_NETNS_LOCAL
on bonding interfaces, and commit 797f87f83b ("macvlan: fix netdev
feature propagation from lower device") causes macvlan interfaces
to inherit its features from the lower device.

NETIF_F_NETNS_LOCAL should not be inherited from the lower device
by a macvlan.
Patch tested on 3.16.

Signed-off-by: Francesco Ruggeri <fruggeri@arista.com>
Acked-by: Cong Wang <cwang@twopensource.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-09-19 17:07:20 -04:00
David S. Miller
8f665f6cb7 Merge tag 'master-2014-09-16' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
John W. Linville says:

====================
pull request: wireless 2014-09-17

Please pull this batch of fixes intended for the 3.17 stream...

Arend van Spriel sends a trio of minor brcmfmac fixes, including a
fix for a Kconfig/build issue, a fix for a crash (null reference),
and a regression fix related to event handling on a P2P interface.

Hante Meuleman follows-up with a brcmfmac fix for a memory leak.

Johannes Stezenbach brings an ath9k_htc fix for a regression related
to hardware decryption offload.

Marcel Holtmann delivers a one-liner to properly mark a device ID
table in rfkill-gpio.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2014-09-19 16:33:15 -04:00
Neil Horman
8400dd029e 3c59x: Fix bad offset spec in skb_frag_dma_map
Recently aded the use of skb_frag_dma_map to 3c59x, but didn't realize it
automatically included the frag_offset internally, as well as provided an option
to specify an extra offset in the parameter list.  We need to specify an offset
of 0 in the parameter list to avoid skb corruption that results in lost
connections.

Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
CC: Linux Kernel list <linux-kernel@vger.kernel.org>
CC: "David S. Miller" <davem@davemloft.net>
CC: Meelis Roos <mroos@linux.ee>
Tested-by: Meelis Roos <mroos@linux.ee>
2014-09-19 16:28:57 -04:00
Neil Horman
6f2b6a3005 3c59x: Add dma error checking and recovery
Noted that 3c59x has no checks on transmit for failed DMA mappings, and no
ability to unmap fragments when a single map fails in the middle of a transmit.
This patch provides error checking to ensure that dma mappings work properly,
and unrolls an skb mapping if a fragmented skb transmission has a mapping
failure to prevent leaks.

Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
CC: Linux Kernel list <linux-kernel@vger.kernel.org>
CC: "David S. Miller" <davem@davemloft.net>
CC: Meelis Roos <mroos@linux.ee>
Tested-by: Meelis Roos <mroos@linux.ee>
2014-09-19 16:28:57 -04:00
Linus Torvalds
46be7b73e8 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
Pull btrfs fixes from Chris Mason:
 "I've got a revert to fix a regression with btrfs device registration,
  and Filipe has part two of his fsync fix from last week"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
  Revert "Btrfs: device_list_add() should not update list when mounted"
  Btrfs: set inode's logged_trans/last_log_commit after ranged fsync
2014-09-19 13:10:53 -07:00
Linus Torvalds
81770f4144 NFS client fixes for 3.17
Highligts:
 - Fix an Oops in nfs4_open_and_get_state
 - Fix an Oops in the nfs4_state_manager
 - Fix another bug in the close/open_downgrade code
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Merge tag 'nfs-for-3.17-5' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

Pull NFS client fixes from Trond Myklebust:
 "Highligts:
   - fix an Oops in nfs4_open_and_get_state
   - fix an Oops in the nfs4_state_manager
   - fix another bug in the close/open_downgrade code"

* tag 'nfs-for-3.17-5' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
  NFSv4: Fix another bug in the close/open_downgrade code
  NFSv4: nfs4_state_manager() vs. nfs_server_remove_lists()
  NFS: remove BUG possibility in nfs4_open_and_get_state
2014-09-19 13:07:49 -07:00
Alexei Starovoitov
f6f2332dce sparc: bpf_jit: fix support for ldx/stx mem and SKF_AD_VLAN_TAG
fix several issues in sparc BPF JIT compiler.

ldx/stx related:
. classic BPF instructions that access mem[] slots were not setting
  SEEN_MEM flag, so stack wasn't allocated. Fix that by advertising
  correct flags

. LDX/STX instructions were missing SEEN_XREG, so register value
  could have leaked to user space. Fix it.

. since stack for mem[] slots is allocated with 'sub %sp' instead
  of 'save %sp', use %sp as base register instead of %fp.

. ldx mem[0] means first slot in classic BPF which should have
  -4 offset instead of 0.

. sparc64 needs 2047 stack bias as per ABI to access stack

. emit_stmem() was using LD32I macro instead of ST32I

SKF_AD_VLAN_TAG* related:
. SKF_AD_VLAN_TAG_PRESENT must return 1 or 0 instead of '> 0' or 0
  as per classic BPF de facto standard

. SKF_AD_VLAN_TAG needs to mask the field correctly

Fixes: 2809a2087c ("net: filter: Just In Time compiler for sparc")
Signed-off-by: Alexei Starovoitov <ast@plumgrid.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-09-19 16:01:18 -04:00
Linus Torvalds
b29f83aa8b PCI updates for v3.17:
Enumeration
     - Don't default exclusively to first video device (Bruno Prémont)
 
   PCI device hotplug
     - Remove "no hotplug settings from platform" warning (Bjorn Helgaas)
     - Add pci_ignore_hotplug() for VGA switcheroo (Bjorn Helgaas)
 
   Freescale i.MX6
     - Put LTSSM in "Detect" state before disabling (Lucas Stach)
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Merge tag 'pci-v3.17-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI fixes from Bjorn Helgaas:
 "These fix:

   - Boot video device detection on dual-GPU Apple systems
   - Hotplug fiascos on VGA switcheroo with radeon & nouveau drivers
   - Boot hang on Freescale i.MX6 systems
   - Excessive "no hotplug settings from platform" warnings

  In particular:

  Enumeration
    - Don't default exclusively to first video device (Bruno Prémont)

  PCI device hotplug
    - Remove "no hotplug settings from platform" warning (Bjorn Helgaas)
    - Add pci_ignore_hotplug() for VGA switcheroo (Bjorn Helgaas)

  Freescale i.MX6
    - Put LTSSM in "Detect" state before disabling (Lucas Stach)"

* tag 'pci-v3.17-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
  vgaarb: Drop obsolete #ifndef
  vgaarb: Don't default exclusively to first video device with mem+io
  ACPIPHP / radeon / nouveau: Remove acpi_bus_no_hotplug()
  PCI: Remove "no hotplug settings from platform" warning
  PCI: Add pci_ignore_hotplug() to ignore hotplug events for a device
  PCI: imx6: Put LTSSM in "Detect" state before disabling it
  MAINTAINERS: Add Lucas Stach as co-maintainer for i.MX6 PCI driver
2014-09-19 10:50:30 -07:00
Linus Torvalds
73030efad5 SCSI fixes on 20140919
This is a set of three fixes.  One represents a nasty shared tag map
 regression (another inverted condition) caused by recent SCSI MQ patches, one
 is a longstanding potential buffer overrun in the iscsi data buffer and the
 final one is a use after free for the rare bidirectional commands.
 
 Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "This is a set of three fixes.

  One represents a nasty shared tag map regression (another inverted
  condition) caused by recent SCSI MQ patches, one is a longstanding
  potential buffer overrun in the iscsi data buffer and the final one is
  a use after free for the rare bidirectional commands"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  [SCSI] fix for bidi use after free
  [SCSI] fix regression that accidentally disabled block-based tcq
  [SCSI] libiscsi: fix potential buffer overrun in __iscsi_conn_send_pdu
2014-09-19 10:46:48 -07:00
Linus Torvalds
598a0c7d09 Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar:
 "Two kernel side fixes: a kprobes fix and a perf_remove_from_context()
  fix (which does not yet fix the migration bug which is WIP)"

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf: Fix a race condition in perf_remove_from_context()
  kprobes/x86: Free 'optinsn' cache when range check fails
2014-09-19 10:31:36 -07:00
Mike Marciniszyn
85cbb7c728 IB/qib: Correct reference counting in debugfs qp_stats
This particular reference count is not needed with the rcu protection,
and the current code leaks a reference count, causing a hang in
qib_qp_destroy().

Cc: <stable@vger.kernel.org>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
2014-09-19 10:18:32 -07:00
Alex Estrin
68f9d83c77 IPoIB: Remove unnecessary port query
There are two queries for port attributes one after another. A second
call is not needed since port_attr structure already holds the data.

Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Alex Estrin <alex.estrin@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
2014-09-19 10:17:40 -07:00
Bjorn Helgaas
12d8706963 Revert "PCI: Make sure bus number resources stay within their parents bounds"
This reverts commit 1820ffdccb ("PCI: Make sure bus number resources stay
within their parents bounds") because it breaks some systems with LSI Logic
FC949ES Fibre Channel Adapters, apparently by exposing a defect in those
adapters.

Dirk tested a Tyan VX50 (B4985) with this device that worked like this
prior to 1820ffdccb:

    bus: [bus 00-7f] on node 0 link 1
    ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-07])
    pci 0000:00:0e.0: PCI bridge to [bus 0a]
    pci_bus 0000:0a: busn_res: can not insert [bus 0a] under [bus 00-07] (conflicts with (null) [bus 00-07])
    pci 0000:0a:00.0: [1000:0646] type 00 class 0x0c0400 (FC adapter)

Note that the root bridge [bus 00-07] aperture is wrong; this is a BIOS
defect in the PCI0 _CRS method.  But prior to 1820ffdccb, we didn't
enforce that aperture, and the FC adapter worked fine at 0a:00.0.

After 1820ffdccb, we notice that 00:0e.0's aperture is not contained in
the root bridge's aperture, so we reconfigure it so it *is* contained:

    pci 0000:00:0e.0: bridge configuration invalid ([bus 0a-0a]), reconfiguring
    pci 0000:00:0e.0: PCI bridge to [bus 06-07]

This effectively moves the FC device from 0a:00.0 to 07:00.0, which should
be legal.  But when we enumerate bus 06, the FC device doesn't respond, so
we don't find anything.  This is probably a defect in the FC device.

Possible fixes (due to Yinghai):

    1) Add a quirk to fix the _CRS information based on what amd_bus.c read
       from the hardware

    2) Reset the FC device after we change its bus number

    3) Revert 1820ffdccb

Fix 1 would be relatively easy, but it does sweep the LSI FC issue under
the rug.  We might want to reconfigure bus numbers in the future for some
other reason, e.g., hotplug, and then we could trip over this again.

For that reason, I like fix 2, but we don't know whether it actually works,
and we don't have a patch for it yet.

This revert is fix 3, which also sweeps the LSI FC issue under the rug.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=84281
Reported-by: Dirk Gouders <dirk@gouders.net>
Tested-by: Dirk Gouders <dirk@gouders.net>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
CC: stable@vger.kernel.org	# v3.15+
CC: Yinghai Lu <yinghai@kernel.org>
2014-09-19 11:08:40 -06:00
Markus Stockhausen
50e2ec9105 IB/mlx4: Disable TSO for Connect-X rev. A0 HCAs
According to <http://marc.info/?t=138347640900004&r=1&w=2>, revision
A0 of Connect-X does not correctly assemble TSO packets.  Disable that
feature on that hardware revision.

Signed-off-by: Roland Dreier <roland@purestorage.com>
2014-09-19 10:07:03 -07:00
Mike Marciniszyn
f5c4984e06 IB/qib: Change get_user_pages() usage to always NULL vmas
The static helper routine, __qib_get_user_pages(), accepts a vma arg,
but current use always passes NULL.

This has caused some confusion associated with the correct use of this
argument, but since the current use case doesn't require the
flexiblity, the best thing to do is to simplfy the code to always pass
NULL to get_user_pages().

Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
2014-09-19 10:03:27 -07:00
Mike Marciniszyn
3033771feb IB/ipath: Change get_user_pages() usage to always NULL vmas
The static helper routine, __ipath_get_user_pages(), accepts a vma
arg, but current use always passes NULL.

This has caused some confusion associated with the correct use of this
argument, but since the current use case doesn't require the
flexiblity, the best thing to do is to simplfy the code to always pass
NULL to get_user_pages().

Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
2014-09-19 10:03:11 -07:00
Bjorn Helgaas
7a0b33d4a4 Revert "PCI: Don't scan random busses in pci_scan_bridge()"
This reverts commit fc1b253141 ("PCI: Don't scan random busses in
pci_scan_bridge()") because it breaks CardBus on some machines.

David tested a Dell Latitude D505 that worked like this prior to
fc1b253141:

    pci 0000:00:1e.0: PCI bridge to [bus 01]
    pci 0000:01:01.0: CardBus bridge to [bus 02-05]

Note that the 01:01.0 CardBus bridge has a bus number aperture of
[bus 02-05], but those buses are all outside the 00:1e.0 PCI bridge bus
number aperture, so accesses to buses 02-05 never reach CardBus.  This is
later patched up by yenta_fixup_parent_bridge(), which changes the
subordinate bus number of the 00:1e.0 PCI bridge:

    pci_bus 0000:01: Raising subordinate bus# of parent bus (#01) from #01 to #05

With fc1b253141, pci_scan_bridge() fails immediately when it notices that
we can't allocate a valid secondary bus number for the CardBus bridge, and
CardBus doesn't work at all:

    pci 0000:01:01.0: can't allocate child bus 01 from [bus 01]

I'd prefer to fix this by integrating the yenta_fixup_parent_bridge() logic
into pci_scan_bridge() so we fix the bus number apertures up front.  But
I don't think we can do that before v3.17, so I'm going to revert this to
avoid the problem while we're working on the long-term fix.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=83441
Link: http://lkml.kernel.org/r/1409303414-5196-1-git-send-email-david.henningsson@canonical.com
Reported-by: David Henningsson <david.henningsson@canonical.com>
Tested-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
CC: stable@vger.kernel.org	# v3.15+
2014-09-19 10:56:06 -06:00
Shawn Bohrer
87773dd56d IB: ib_umem_release() should decrement mm->pinned_vm from ib_umem_get
In debugging an application that receives -ENOMEM from ib_reg_mr(), I
found that ib_umem_get() can fail because the pinned_vm count has
wrapped causing it to always be larger than the lock limit even with
RLIMIT_MEMLOCK set to RLIM_INFINITY.

The wrapping of pinned_vm occurs because the process that calls
ib_reg_mr() will have its mm->pinned_vm count incremented.  Later a
different process with a different mm_struct than the one that
allocated the ib_umem struct ends up releasing it which results in
decrementing the new processes mm->pinned_vm count past zero and
wrapping.

I'm not entirely sure what circumstances cause a different process to
release the ib_umem than the one that allocated it but the kernel
stack trace of the freeing process from my situation looks like the
following:

    Call Trace:
     [<ffffffff814d64b1>] dump_stack+0x19/0x1b
     [<ffffffffa0b522a5>] ib_umem_release+0x1f5/0x200 [ib_core]
     [<ffffffffa0b90681>] mlx4_ib_destroy_qp+0x241/0x440 [mlx4_ib]
     [<ffffffffa0b4d93c>] ib_destroy_qp+0x12c/0x170 [ib_core]
     [<ffffffffa0cc7129>] ib_uverbs_close+0x259/0x4e0 [ib_uverbs]
     [<ffffffff81141cba>] __fput+0xba/0x240
     [<ffffffff81141e4e>] ____fput+0xe/0x10
     [<ffffffff81060894>] task_work_run+0xc4/0xe0
     [<ffffffff810029e5>] do_notify_resume+0x95/0xa0
     [<ffffffff814e3dd0>] int_signal+0x12/0x17

The following patch fixes the issue by storing the pid struct of the
process that calls ib_umem_get() so that ib_umem_release and/or
ib_umem_account() can properly decrement the pinned_vm count of the
correct mm_struct.

Signed-off-by: Shawn Bohrer <sbohrer@rgmadvisors.com>
Reviewed-by: Shachar Raindel <raindel@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
2014-09-19 09:55:42 -07:00
Devesh Sharma
f93439e476 RDMA/ocrdma: Do not skip setting deferred_arm
When ib_request_notify_cq() is called for the first time, ocrdma tries
to skip setting deffered_arm flag. This may lead CQ to an un-armed
state thus never generating a CQ event and leaving consumer hung.

This patch removes the part of code that skips setting deferred_arm.

Signed-off-by: Devesh Sharma <devesh.sharma@emulex.com>
Signed-off-by: Selvin Xavier <selvin.xavier@emulex.com>
Signed-off-by: Mitesh Ahuja <mitesh.ahuja@emulex.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
2014-09-19 09:53:35 -07:00
Devesh Sharma
d6a488f21c RDMA/ocrdma: Report correct value of max_fast_reg_page_list_len
Fix ocrdma_query_device() to report correct value of max_fast_reg_page_list_len.

Signed-off-by: Devesh Sharma <devesh.sharma@emulex.com>
Signed-off-by: Selvin Xavier <selvin.xavier@emulex.com>
Signed-off-by: Mitesh Ahuja <mitesh.ahuja@emulex.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
2014-09-19 09:52:33 -07:00
Linus Torvalds
7a5e87867e Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
 "Misc fixes:

  EFI fixes, a build fix, a page table dumping (debug) fix and a clang
  build fix"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  efi/arm64: Fix fdt-related memory reservation
  x86/mm: Apply the section attribute to the variable, not its type
  x86/efi: Fixup GOT in all boot code paths
  x86/efi: Only load initrd above 4g on second try
  x86-64, ptdump: Mark espfix area only if existent
  x86, irq: Fix build error caused by 9eabc99a63
2014-09-19 09:07:47 -07:00
Linus Torvalds
9f47112975 Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Pull MIPS fixes from Ralf Baechle:
 "A fair number of build fixes for various configurations.

  Fixes to BPF, and the BCM47xx platform code, a preemption fix for the
  Loongson core, a syscall auditing fix, wire up the new getrandom and
  memfd_create.  Several patches for EVA"

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (30 commits)
  MIPS: SmartMIPS: Disable assembler warnings
  MIPS: Move CPU topology macros to topology.h
  MIPS: Wire up new syscalls getrandom and memfd_create.
  MIPS: Fix a warning for virt_to_page
  arch/mips/net/bpf_jit.c: fix failure check
  MIPS: COP2: CPP macro safety fixes.
  MIPS: Kconfig: Select SMP symbols for CMP
  MIPS: ZBOOT: add missing <linux/string.h> include
  MIPS: IP28: Fix/clean spaces.h
  MIPS: IP28: Select correct L1_CACHE_SHIFT
  MIPS: BCM63xx: delete double assignment
  MIPS: Spelling s/confugrations/configurations/
  MIPS: OCTEON: make get_system_type() thread-safe
  MIPS: CPS: Initialize EVA before bringing up VPEs from secondary cores
  MIPS: Malta: EVA: Rename 'eva_entry' to 'platform_eva_init'
  MIPS: EVA: Add new EVA header
  MIPS: scall64-o32: Fix indirect syscall detection
  MIPS: syscall: Fix AUDIT value for O32 processes on MIPS64
  MIPS: Loongson: Fix COP2 usage for preemptible kernel
  MIPS: NL: Fix nlm_xlp_defconfig build error
  ...
2014-09-19 09:06:39 -07:00
Daniel Gryniewicz
f81426a84b [SCSI] fix for bidi use after free
When ending a bi-directionional SCSI request, blk_finish_request()
cleans up and frees the request, but scsi_release_bidi_buffers() tries
to indirect through the request to find it's data buffers.  This causes
a panic due to a null pointer dereference.

Move the call to scsi_release_bidi_buffers() before the call to
blk_finish_request().

Signed-off-by: Daniel Gryniewicz <dang@linuxbox.com>
Reviewed-by: Webb Scales <webbnh@hp.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2014-09-19 13:23:33 +01:00
Christoph Hellwig
e8be1cf58d [SCSI] fix regression that accidentally disabled block-based tcq
The scsi blk-mq support accidentally flipped a conditional, which lead to
never enabling block based tcq when using the legacy request path.

Fixes: d285203cf6 scsi: add support for a blk-mq based I/O path.
Reported-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2014-09-19 13:23:32 +01:00
Mike Christie
db9bfd64b1 [SCSI] libiscsi: fix potential buffer overrun in __iscsi_conn_send_pdu
This patches fixes a potential buffer overrun in __iscsi_conn_send_pdu.
This function is used by iscsi drivers and userspace to send iscsi PDUs/
commands. For login commands, we have a set buffer size. For all other
commands we do not support data buffers.

This was reported by Dan Carpenter here:
http://www.spinics.net/lists/linux-scsi/msg66838.html

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: stable@vger.kernel.org
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2014-09-19 13:22:59 +01:00
Huacai Chen
8245b36345 ALSA: hda - Add fixup model name lookup for Lemote A1205
Lemote A1004 is already added in commit a2dd933d01 (ALSA: hda - Add
fixup name lookup for CX5051 and 5066 codecs), but Lemote A1205 has
missing.

Signed-off-by: Huacai Chen <chenhc@lemote.com>
Cc: <stable@vger.kernel.org> # 3.15+
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-09-19 09:14:40 +02:00
Bjorn Helgaas
649ae75286 Merge branch 'pci/vga'; commit '6a73336bde29' into for-linus
* pci/vga:
  vgaarb: Drop obsolete #ifndef
  vgaarb: Don't default exclusively to first video device with mem+io

* commit '6a73336bde29':
  PCI: Remove "no hotplug settings from platform" warning
2014-09-18 23:05:06 -06:00
Michel Dänzer
226b6d88d0 drm/radeon: Fix typo 'addr' -> 'entry' in rs400_gart_set_page
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=83996
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2014-09-18 21:52:29 -04:00
Dave Airlie
235e6def76 Merge tag 'drm-intel-fixes-2014-09-18' of git://anongit.freedesktop.org/drm-intel into drm-fixes
couple of display fixes.

* tag 'drm-intel-fixes-2014-09-18' of git://anongit.freedesktop.org/drm-intel:
  drm/i915: Add limited color range readout for HDMI/DP ports on g4x/vlv/chv
  drm/i915: Fix SRC_COPY width on 830/845g
2014-09-19 10:34:34 +10:00
Dave Airlie
b5591bd6a6 Merge branch 'drm-fixes-3.17' of git://people.freedesktop.org/~agd5f/linux into drm-fixes
- fix a resume hang on mullins
- fix an oops on module unload with vgaswitcheroo (radeon and nouveau)
- fix possible hangs DMA engine hangs due to hw bugs

* 'drm-fixes-3.17' of git://people.freedesktop.org/~agd5f/linux:
  drm/nouveau/runpm: fix module unload
  drm/radeon/px: fix module unload
  vgaswitcheroo: add vga_switcheroo_fini_domain_pm_ops
  drm/radeon: don't reset dma on r6xx-evergreen init
  drm/radeon: don't reset sdma on CIK init
  drm/radeon: don't reset dma on NI/SI init
  drm/radeon/dpm: fix resume on mullins
  drm/radeon: Disable HDP flush before every CS again for < r600
  drm/radeon: delete unused PTE_* defines
2014-09-19 10:34:06 +10:00
Alex Deucher
53beaa01e0 drm/nouveau/runpm: fix module unload
Use the new vga_switcheroo_fini_domain_pm_ops function
to unregister the pm ops.

Based on a patch from:
Pali Rohár <pali.rohar@gmail.com>

bug:
https://bugzilla.kernel.org/show_bug.cgi?id=84431

Reviewed-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Cc: Ben Skeggs <bskeggs@redhat.com>
2014-09-18 19:22:37 -04:00
Alex Deucher
2e97140dd5 drm/radeon/px: fix module unload
Use the new vga_switcheroo_fini_domain_pm_ops function
to unregister the pm ops.

Based on a patch from:
Pali Rohár <pali.rohar@gmail.com>

bug:
https://bugzilla.kernel.org/show_bug.cgi?id=84431

Reviewed-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Cc: Ben Skeggs <bskeggs@redhat.com>
2014-09-18 19:22:09 -04:00
Alex Deucher
766a53d059 vgaswitcheroo: add vga_switcheroo_fini_domain_pm_ops
Drivers should call this on unload to unregister pmops.

Bug:
https://bugzilla.kernel.org/show_bug.cgi?id=84431

Reviewed-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Cc: Ben Skeggs <bskeggs@redhat.com>
2014-09-18 19:21:20 -04:00
Alex Deucher
c1789a2e66 drm/radeon: don't reset dma on r6xx-evergreen init
Otherwise we may lose the DMA golden settings which can
lead to hangs, etc.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2014-09-18 18:57:09 -04:00
Alex Deucher
799028d5d8 drm/radeon: don't reset sdma on CIK init
Otherwise we may lose the DMA golden settings which can
lead to hangs, etc.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2014-09-18 18:57:09 -04:00
Alex Deucher
31a25e2caf drm/radeon: don't reset dma on NI/SI init
Otherwise we may lose the DMA golden settings which can
lead to hangs, etc.

bug:
https://www.libreoffice.org/bugzilla/show_bug.cgi?id=83500

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2014-09-18 18:57:08 -04:00
Alex Deucher
39da038479 drm/radeon/dpm: fix resume on mullins
Need to properly disable nb dpm on dpm disable.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2014-09-18 18:57:07 -04:00
Michel Dänzer
897eba827e drm/radeon: Disable HDP flush before every CS again for < r600
It was causing display corruption with R300 generation GPUs at least.

Reported-and-Tested-by: Mikael Pettersson <mikpelinux@gmail.com>
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2014-09-18 18:57:07 -04:00
Kyle McMartin
64d8ee5957 drm/radeon: delete unused PTE_* defines
They don't appear to be used anywhere... elsewhere uses R*_PTE_*.

master@linux:U:.% git grep PTE_ -- drivers/gpu/drm/radeon | grep -v _PTE_
master@linux:U:.%	(kyle@redacted:~/linux)

./arch/arm64/include/asm/pgtable.h:27:0: note: this is the location of the previous definition
 #define PTE_VALID  (_AT(pteval_t, 1) << 0)
 ^
In file included from drivers/gpu/drm/radeon/r600_cs.c:31:0:
drivers/gpu/drm/radeon/r600d.h:48:0: warning: "PTE_VALID" redefined [enabled by default]
 #define PTE_VALID    (1 << 0)
 ^
In file included from ./arch/arm64/include/asm/io.h:29:0,
                 from include/linux/clocksource.h:19,
                 from include/clocksource/arm_arch_timer.h:19,
                 from ./arch/arm64/include/asm/arch_timer.h:27,
                 from ./arch/arm64/include/asm/timex.h:19,
                 from include/linux/timex.h:65,
<snip>
                 from include/drm/drmP.h:51,
                 from drivers/gpu/drm/radeon/r600_cs.c:29:
./arch/arm64/include/asm/pgtable.h:27:0: note: this is the location of the previous definition
 #define PTE_VALID  (_AT(pteval_t, 1) << 0)
 ^

Signed-off-by: Kyle McMartin <kyle@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2014-09-18 18:57:06 -04:00
Linus Torvalds
d9773ceabf Merge branch 'for-linus' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs/smb3 fixes from Steve French:
 "Fixes for problems found during testing and debugging at the SMB3
  storage test event (plugfest) this week"

* 'for-linus' of git://git.samba.org/sfrench/cifs-2.6:
  Fix mfsymlinks file size check
  Update version number displayed by modinfo for cifs.ko
  cifs: remove dead code
  Revert "cifs: No need to send SIGKILL to demux_thread during umount"
  [SMB3] Fix oops when creating symlinks on smb3
  [CIFS] Fix setting time before epoch (negative time values)
2014-09-18 11:10:35 -07:00
Linus Torvalds
33d31d3476 sound fixes for 3.17-rc6
All small fixes in random various drivers, mostly for ASoC at this
 time, which look reasonable for a high rc number.
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Merge tag 'sound-3.17-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "All small fixes in random various drivers, mostly for ASoC at this
  time, which look reasonable for a high rc number"

* tag 'sound-3.17-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ASoC: rockchip-i2s: dt: swap tx and rx channed request number in example
  ASoC: rockchip-i2s: fix registers' property of rockchip i2s controller
  ASoC: rockchip-i2s: fix master mode set bit error
  ASoC: cs4265: Fix register address to set the proper data type.
  ALSA: hda - Fix invalid pin powermap without jack detection
  ASoC: soc-pcm: fix dpcm_path_get error handling
  ASoC: samsung-i2s: Check secondary DAI exists before referencing
  ASoC: Update email id of the author
  ASoC: dwc: Update email id of the author
  ASoC: davinci-mcasp: Correct rx format unit configuration
  ASoC: tlv320aic31xx: Fix 24bit samples with I2S format and 12MHz mclk
2014-09-18 10:45:37 -07:00
Krzysztof Hałasa
153a9f131f Fix unbalanced mutex in dma_pool_create().
dma_pool_create() needs to unlock the mutex in error case.  The bug was
introduced in the 3.16 by commit cc6b664aa2 ("mm/dmapool.c: remove
redundant NULL check for dev in dma_pool_create()")/

Signed-off-by: Krzysztof Hałasa <khc@piap.pl>
Cc: stable@vger.kernel.org  # v3.16
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-09-18 10:39:16 -07:00