Due to all of the goodness being packed into today's kernels, the
resulting image isn't as slim as it once was.
In light of this, don't pass -msmall-data to gcc, which otherwise results
in link failures due to impossible relocations when compiling anything but
the most trivial configurations.
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Reviewed-by: Matt Turner <mattst88@gmail.com>
Tested-by: Thorsten Kranzkowski <dl8bcu@dl8bcu.de>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Michael Cree <mcree@orcon.net.nz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Fixes a NULL pointer dereference at boot on UP1500.
Cc: stable@vger.kernel.org
Reviewed-and-Tested-by: Matt Turner <mattst88@gmail.com>
Signed-off-by: Jay Estabrook <jay.estabrook@gmail.com>
Signed-off-by: Matt Turner <mattst88@gmail.com>
Signed-off-by: Michael Cree <mcree@orcon.net.nz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Tetja Rediske found that if the host receives an ICMPv6 redirect message
after sending a SYN+ACK, the connection will be reset.
He bisected it down to 093d04d (ipv6: Change skb->data before using
icmpv6_notify() to propagate redirect), but the origin of the bug comes
from ec18d9a26 (ipv6: Add redirect support to all protocol icmp error
handlers.). The bug simply did not trigger prior to 093d04d, because
skb->data did not point to the inner IP header and thus icmpv6_notify
did not call the correct err_handler.
This patch adds the missing "goto out;" in tcp_v6_err. After receiving
an ICMPv6 Redirect, we should not continue processing the ICMP in
tcp_v6_err, as this may trigger the removal of request-socks or setting
sk_err(_soft).
Reported-by: Tetja Rediske <tetja@tetja.de>
Signed-off-by: Christoph Paasch <christoph.paasch@uclouvain.be>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds support for kvm_gfn_to_hva_cache_init functions for
reads and writes that will cross a page. If the range falls within
the same memslot, then this will be a fast operation. If the range
is split between two memslots, then the slower kvm_read_guest and
kvm_write_guest are used.
Tested: Test against kvm_clock unit tests.
Signed-off-by: Andrew Honig <ahonig@google.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Some Cisco phones create huge messages that are spread over multiple packets.
After calculating the offset of the SIP body, it is validated to be within
the packet and the packet is dropped otherwise. This breaks operation of
these phones. Since connection tracking is supposed to be passive, just let
those packets pass unmodified and untracked.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
cache target when the device being cached is not itself wrapped with
device-mapper.
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Merge tag 'dm-3.9-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-dm
Pull device-mapper fixes from Alasdair Kergon:
"A pair of patches to fix the writethrough mode of the device-mapper
cache target when the device being cached is not itself wrapped with
device-mapper."
* tag 'dm-3.9-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-dm:
dm cache: reduce bio front_pad size in writeback mode
dm cache: fix writes to cache device in writethrough mode
ASPM
Revert "PCI/ACPI: Request _OSC control before scanning PCI root bus"
kexec
PCI: Don't try to disable Bus Master on disconnected PCI devices
Platform ROM images
PCI: Add PCI ROM helper for platform-provided ROM images
nouveau: Attempt to use platform-provided ROM image
radeon: Attempt to use platform-provided ROM image
Hotplug
PCI/ACPI: Always resume devices on ACPI wakeup notifications
PCI/PM: Disable runtime PM of PCIe ports
EISA
EISA/PCI: Fix bus res reference
EISA/PCI: Init EISA early, before PNP
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Merge tag 'pci-v3.9-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI fixes from Bjorn Helgaas:
"PCI updates for v3.9:
ASPM
Revert "PCI/ACPI: Request _OSC control before scanning PCI root bus"
kexec
PCI: Don't try to disable Bus Master on disconnected PCI devices
Platform ROM images
PCI: Add PCI ROM helper for platform-provided ROM images
nouveau: Attempt to use platform-provided ROM image
radeon: Attempt to use platform-provided ROM image
Hotplug
PCI/ACPI: Always resume devices on ACPI wakeup notifications
PCI/PM: Disable runtime PM of PCIe ports
EISA
EISA/PCI: Fix bus res reference
EISA/PCI: Init EISA early, before PNP"
* tag 'pci-v3.9-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
PCI/PM: Disable runtime PM of PCIe ports
PCI/ACPI: Always resume devices on ACPI wakeup notifications
PCI: Don't try to disable Bus Master on disconnected PCI devices
Revert "PCI/ACPI: Request _OSC control before scanning PCI root bus"
radeon: Attempt to use platform-provided ROM image
nouveau: Attempt to use platform-provided ROM image
EISA/PCI: Init EISA early, before PNP
EISA/PCI: Fix bus res reference
PCI: Add PCI ROM helper for platform-provided ROM images
Pull networking fixes from David Miller:
1) Fix erroneous sock_orphan() leading to crashes and double
kfree_skb() in NFC protocol. From Thierry Escande and Samuel Ortiz.
2) Fix use after free in remain-on-channel mac80211 code, from Johannes
Berg.
3) nf_reset() needs to reset the NF tracing cookie, otherwise we can
leak it from one namespace into another. Fix from Gao Feng and
Patrick McHardy.
4) Fix overflow in channel scanning array of mwifiex driver, from Stone
Piao.
5) Fix loss of link after suspend/shutdown in r8169, from Hayes Wang.
6) Synchronization of unicast address lists to the undelying device
doesn't work because whether to sync is maintained as a boolean
rather than a true count. Fix from Vlad Yasevich.
7) Fix corruption of TSO packets in atl1e by limiting the segmented
packet length. From Hannes Frederic Sowa.
8) Revert bogus AF_UNIX credential passing change and fix the
coalescing issue properly, from Eric W Biederman.
9) Changes of ipv4 address lifetime settings needs to generate a
notification, from Jiri Pirko.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (22 commits)
netfilter: don't reset nf_trace in nf_reset()
net: ipv4: notify when address lifetime changes
ixgbe: fix registration order of driver and DCA nofitication
af_unix: If we don't care about credentials coallesce all messages
Revert "af_unix: dont send SCM_CREDENTIAL when dest socket is NULL"
bonding: remove sysfs before removing devices
atl1e: limit gso segment size to prevent generation of wrong ip length fields
net: count hw_addr syncs so that unsync works properly.
r8169: fix auto speed down issue
netfilter: ip6t_NPT: Fix translation for non-multiple of 32 prefix lengths
mwifiex: limit channel number not to overflow memory
NFC: microread: Fix build failure due to a new MEI bus API
iwlwifi: dvm: fix the passive-no-RX workaround
netfilter: nf_conntrack: fix error return code
NFC: llcp: Keep the connected socket parent pointer alive
mac80211: fix idle handling sequence
netfilter: nfnetlink_acct: return -EINVAL if object name is empty
netfilter: nfnetlink_queue: fix error return code in nfnetlink_queue_init()
netfilter: reset nf_trace in nf_reset
mac80211: fix remain-on-channel cancel crash
...
If the call to rpciod_up() fails, we currently leak a reference to the
struct rpc_xprt.
As part of the fix, we also remove the redundant check for xprt!=NULL.
This is already taken care of by the callers.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
eboot.o and efi_stub_$(BITS).o didn't get added to "targets", and hence
their .cmd files don't get included by the build machinery, leading to
the files always getting rebuilt.
Rather than adding the two files individually, take the opportunity and
add $(VMLINUX_OBJS) to "targets" instead, thus allowing the assignment
at the top of the file to be shrunk quite a bit.
At the same time, remove a pointless flags override line - the variable
assigned to was misspelled anyway, and the options added are
meaningless for assembly sources.
[ hpa: the patch is not minimal, but I am taking it for -urgent anyway
since the excess impact of the patch seems to be small enough. ]
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Link: http://lkml.kernel.org/r/515C5D2502000078000CA6AD@nat28.tlf.novell.com
Cc: Matthew Garrett <mjg@redhat.com>
Cc: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
It is unsafe to use list_for_each_entry_safe() here, because
when we drop the nn->nfs_client_lock, we pin the _current_ list
entry and ensure that it stays in the list, but we don't do the
same for the _next_ list entry. Use of list_for_each_entry() is
therefore the correct thing to do.
Also fix the refcounting in nfs41_walk_client_list().
Finally, ensure that the nfs_client has finished being initialised
and, in the case of NFSv4.1, that the session is set up.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: Chuck Lever <chuck.lever@oracle.com>
Cc: Bryan Schumaker <bjschuma@netapp.com>
Cc: stable@vger.kernel.org [>= 3.7]
When we assign a new rpc_client to clp->cl_rpcclient, we need to destroy
the old one.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: Chuck Lever <chuck.lever@oracle.com>
Cc: stable@vger.kernel.org [>=3.7]
While testing error cases where rpc_new_client() fails, I saw
some oopses.
If rpc_new_client() fails, it already invokes xprt_put(). Thus
__rpc_clone_client() does not need to invoke it again.
Introduced by commit 1b63a751 "SUNRPC: Refactor rpc_clone_client()"
Fri Sep 14, 2012.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Cc: stable@vger.kernel.org [>=3.7]
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Commit 130549fe ("netfilter: reset nf_trace in nf_reset") added code
to reset nf_trace in nf_reset(). This is wrong and unnecessary.
nf_reset() is used in the following cases:
- when passing packets up the the socket layer, at which point we want to
release all netfilter references that might keep modules pinned while
the packet is queued. nf_trace doesn't matter anymore at this point.
- when encapsulating or decapsulating IPsec packets. We want to continue
tracing these packets after IPsec processing.
- when passing packets through virtual network devices. Only devices on
that encapsulate in IPv4/v6 matter since otherwise nf_trace is not
used anymore. Its not entirely clear whether those packets should
be traced after that, however we've always done that.
- when passing packets through virtual network devices that make the
packet cross network namespace boundaries. This is the only cases
where we clearly want to reset nf_trace and is also what the
original patch intended to fix.
Add a new function nf_reset_trace() and use it in dev_forward_skb() to
fix this properly.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull MIPS fixes from Ralf Baechle:
"Fixes for a number of small glitches in various corners of the MIPS
tree. No particular areas is standing out.
With this applied all MIPS defconfigs are building fine. No merge
conflicts are expected."
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
MIPS: Delete definition of SA_RESTORER.
MIPS: Fix ISA level which causes secondary cache init bypassing and more
MIPS: Fix build error cavium-octeon without CONFIG_SMP
MIPS: Kconfig: Rename SNIPROM too
MIPS: Alchemy: Fix typo "CONFIG_DEBUG_PCI"
MIPS: Unbreak function tracer for 64-bit kernel.
Pull GFS2 fixes from Steven Whitehouse:
"There are two patches which fix up a couple of minor issues in the DLM
interface code, a missing error path in gfs2_rs_alloc(), one patch
which fixes a problem during "withdraw" and a fix for discards/FITRIM
when using 4k sector sized devices."
* git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-3.0-fixes:
GFS2: Issue discards in 512b sectors
GFS2: Fix unlock of fcntl locks during withdrawn state
GFS2: return error if malloc failed in gfs2_rs_alloc()
GFS2: use memchr_inv
GFS2: use kmalloc for lvb bitmap
Commit e2eed58b4f ("IB/qib: change QLogic to Intel") moved a firmware
file potentially breaking the ABI.
This patch reverts that aspect of the fix as well as reverting the
firmware name as used in qib.
Reported-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
A bunch of small driver fixes plus a fix for error handling in the core
- nothing too exciting overall.
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Merge tag 'spi-fix-v3.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/misc
Pull spi fixes from Mark Brown:
"A bunch of small driver fixes plus a fix for error handling in the
core - nothing too exciting overall."
* tag 'spi-fix-v3.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/misc:
spi/mpc512x-psc: optionally keep PSC SS asserted across xfer segmensts
spi: Unlock a spinlock before calling into the controller driver.
spi/s3c64xx: modified error interrupt handling and init
spi/bcm63xx: don't disable non enabled clocks in probe error path
spi/bcm63xx: Remove unused variable
spi: slink-tegra20: move runtime pm calls to transfer_one_message
This patch changes GFS2's discard issuing code so that it calls
function sb_issue_discard rather than blkdev_issue_discard. The
code was calling blkdev_issue_discard and specifying the correct
sector offset and sector size, but blkdev_issue_discard expects
these values to be in terms of 512 byte sectors, even if the native
sector size for the device is different. Calling sb_issue_discard
with the BLOCK size instead ensures the correct block-to-512b-sector
translation. I verified that "minlen" is specified in blocks, so
comparing it to a number of blocks is correct.
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
This reverts commit 0ef1594c01.
This patch introduced a few races which cannot be easily fixed with a
small follow-up patch. Furthermore, the SoC with the broken hardware
register, which this patch intended to add support for, can only be used
with device trees, which this driver currently does not support.
[ Here is the discussion that led to this "revert" patch:
https://lkml.org/lkml/2013/4/3/176 ]
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Merge tag 'fbdev-fixes-3.9-rc6' of git://gitorious.org/linux-omap-dss2/linux
Pull fbdev fixes from Tomi Valkeinen:
"Fix uvesafb crash bug and typoed flag name in fbmon's new videomode
code"
* tag 'fbdev-fixes-3.9-rc6' of git://gitorious.org/linux-omap-dss2/linux:
video:uvesafb: Fix dereference NULL pointer code path
fbmon: use VESA_DMT_VSYNC_HIGH to fix typo
This contains slightly more volumes than usual at this stage, mostly
because of my vacation in the last week.
Nothing to scare, all small and/or trivial fixes:
- Fix loop path handling in ASoC DAPM
- Some memory handling fixes in ASoC core
- Fix spear_pcm to adapt to the updated API
- HD-audio HDMI ELD handling fixes
- Fix for CM6331 USB-audio SRC change bugs
- Revert power_save_controller option change due to user-space usage
- A few other small ASoC and HD-audio fixes
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Merge tag 'sound-3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"This contains slightly more volumes than usual at this stage, mostly
because of my vacation in the last week. Nothing to scare, all small
and/or trivial fixes:
- Fix loop path handling in ASoC DAPM
- Some memory handling fixes in ASoC core
- Fix spear_pcm to adapt to the updated API
- HD-audio HDMI ELD handling fixes
- Fix for CM6331 USB-audio SRC change bugs
- Revert power_save_controller option change due to user-space usage
- A few other small ASoC and HD-audio fixes"
* tag 'sound-3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda/generic - fix uninitialized variable
Revert "ALSA: hda - Allow power_save_controller option override DCAPS"
ALSA: hda - fix typo in proc output
ALSA: hda - Enabling Realtek ALC 671 codec
ALSA: usb: Work around CM6631 sample rate change bug
ALSA: hda - bug fix on HDMI ELD debug message
ALSA: hda - bug fix on return value when getting HDMI ELD info
ASoC: dma-sh7760: Fix compile error
ASoC: core: fix invalid free of devm_ allocated data
ASoC: spear_pcm: Update to new pcm_new() API
ASoC:: max98090: Remove executable bit
ASoC: dapm: Fix pointer dereference in is_connected_output_ep()
ASoC: pcm030 audio fabric: remove __init from probe
ASoC: imx-ssi: Fix occasional AC97 reset failure
ASoC: core: fix possible memory leak in snd_soc_bytes_put()
ASoC: wm_adsp: fix possible memory leak in wm_adsp_load_coeff()
ASoC: dapm: Fix handling of loops
ASoC: si476x: Add missing break for SNDRV_PCM_FORMAT_S8 switch case
Even in failed case of pm_runtime_get_sync, the usage_count
is incremented. In order to keep the usage_count with correct
value and runtime power management to behave correctly, call
pm_runtime_put_noidle in such case.
In __hwspin_lock_request, module_put is also called before
return in pm_runtime_get_sync failed case.
Cc: stable@vger.kernel.org
Signed-off-by Liu Chuansheng <chuansheng.liu@intel.com>
Signed-off-by: Li Fei <fei.li@intel.com>
[edit commit log]
Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
A recent patch to fix the dm cache target's writethrough mode extended
the bio's front_pad to include a 1056-byte struct dm_bio_details.
Writeback mode doesn't need this, so this patch reduces the
per_bio_data_size to 16 bytes in this case instead of 1096.
The dm_bio_details structure was added in "dm cache: fix writes to
cache device in writethrough mode" which fixed commit e2e74d617e ("dm
cache: fix race in writethrough implementation"). In writeback mode
we avoid allocating the writethrough-specific members of the
per_bio_data structure (the dm_bio_details structure included).
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
The dm-cache writethrough strategy introduced by commit e2e74d617e
("dm cache: fix race in writethrough implementation") issues a bio to
the origin device, remaps and then issues the bio to the cache device.
This more conservative in-series approach was selected to favor
correctness over performance (of the previous parallel writethrough).
However, this in-series implementation that reuses the same bio to write
both the origin and cache device didn't take into account that the block
layer's req_bio_endio() modifies a completing bio's bi_sector and
bi_size. So the new writethrough strategy needs to preserve these bio
fields, and restore them before submission to the cache device,
otherwise nothing gets written to the cache (because bi_size is 0).
This patch adds a struct dm_bio_details field to struct per_bio_data,
and uses dm_bio_record() and dm_bio_restore() to ensure the bio is
restored before reissuing to the cache device. Adding such a large
structure to the per_bio_data is not ideal but we can improve this
later, for now correctness is the important thing.
This problem initially went unnoticed because the dm-cache test-suite
uses a linear DM device for the dm-cache device's origin device.
Writethrough worked as expected because DM submits a *clone* of the
original bio, so the original bio which was reused for the cache was
never touched.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
SA_RESTORER used to be defined as 0x04000000 but only the O32 ABI ever
supported its use and no libc was using it, so the entire sa-restorer
functionality was removed with lmo commit 39bffc12c3580ab [Zap sa_restorer.]
for 2.5.48 retaining only the SA_RESTORER definition as a reminder to avoid
accidental reuse of the mask bit.
Upstream cdef9602fbf1871a43f0f1b5cea10dd0f275167d [signal: always clear
sa_restorer on execve] adds code that assumes sa_sigaction has an
sa_restorer field, if SA_RESTORER is defined which would break MIPS.
So remove the SA_RESTORER definition before the v3.8.4 merge.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
(cherry picked from commit 17da8d63add23830892ac4dc2cbb3b5d4ffb79a8)
The commit a96102be70 introduced set_isa() where compatible ISA info is
also set aside from the one gets passed in. It means, for example, 1004K
will have MIPS_CPU_ISA_M32R2/M32R1/II/I flags. This leads to things like
the following inappropriate:
if (c->isa_level == MIPS_CPU_ISA_M32R1 ||
c->isa_level == MIPS_CPU_ISA_M32R2 ||
c->isa_level == MIPS_CPU_ISA_M64R1 ||
c->isa_level == MIPS_CPU_ISA_M64R2)
This patch fixes it.
Signed-off-by: Deng-Cheng Zhu <dengcheng.zhu@imgtec.com>
Cc: Steven J. Hill <Steven.Hill@imgtec.com>
Cc: linux-mips@linux-mips.org
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Commit 7517de3486 ("MIPS: Alchemy: Redo
PCI as platform driver") added a reference to CONFIG_DEBUG_PCI. Change
it to CONFIG_PCI_DEBUG, as that is a valid Kconfig macro.
Also add a newline to a debugging printk that this fix enables.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Cc: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Commit 58b69401c7 [MIPS: Function tracer: Fix broken function tracing]
completely broke the function tracer for 64-bit kernels. The symptom is
a system hang very early in the boot process.
The fix: Remove/fix $sp adjustments for 64-bit case.
Signed-off-by: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Cc: Al Cooper <alcooperx@gmail.com>
Cc: viric@viric.name
Cc: stable@vger.kernel.org # 3.8.x
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Commit 4f31f5b19e
"PM / crypto / ux500: Use struct dev_pm_ops for power management"
add a new line to the driver struct but missed to add a
trailing comma, causing build errors when crypto is
selected. This adds the missing comma.
This was not noticed until now because the crypto block
is not in the ux500 defconfig. A separate patch will
be submitted to fix this.
Cc: <stable@vger.kernel.org> # 3.8.x
Cc: Rafael J. Wysocki <rjw@sisk.pl>
Cc: Magnus Myrstedt <magnus.p.persson@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Remove the vdev entry from the list before freeing it,
otherwise rproc->vdevs will explode.
Cc: stable@vger.kernel.org
Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com>
Acked-by: Ido Yariv <ido@wizery.com>
[edit subject, minor commit log edit, cc stable]
Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
The new idr_alloc interface returns the allocated id back
on success, so fix the error path to check for negative
values. This was missed out in the newer idr interface
adoption patch, 15fc611 "remoteproc: convert to idr_alloc()".
Signed-off-by: Suman Anna <s-anna@ti.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
changed is not initialized in path_power_down_sync, but it is expected
to be false in case no change happened in the loop. So set it to
false.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
if userspace changes lifetime of address, send netlink notification and
call notifier.
Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
ixgbe_notify_dca cannot be called before driver registration
because it expects driver's klist_devices to be allocated and
initialized. While on it make sure debugfs files are removed
when registration fails.
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Jakub Kicinski <jakub.kicinski@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
It was reported that the following LSB test case failed
https://lsbbugs.linuxfoundation.org/attachment.cgi?id=2144 because we
were not coallescing unix stream messages when the application was
expecting us to.
The problem was that the first send was before the socket was accepted
and thus sock->sk_socket was NULL in maybe_add_creds, and the second
send after the socket was accepted had a non-NULL value for sk->socket
and thus we could tell the credentials were not needed so we did not
bother.
The unnecessary credentials on the first message cause
unix_stream_recvmsg to start verifying that all messages had the same
credentials before coallescing and then the coallescing failed because
the second message had no credentials.
Ignoring credentials when we don't care in unix_stream_recvmsg fixes a
long standing pessimization which would fail to coallesce messages when
reading from a unix stream socket if the senders were different even if
we did not care about their credentials.
I have tested this and verified that the in the LSB test case mentioned
above that the messages do coallesce now, while the were failing to
coallesce without this change.
Reported-by: Karel Srot <ksrot@redhat.com>
Reported-by: Ding Tianhong <dingtianhong@huawei.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This reverts commit 14134f6584.
The problem that the above patch was meant to address is that af_unix
messages are not being coallesced because we are sending unnecesarry
credentials. Not sending credentials in maybe_add_creds totally
breaks unconnected unix domain sockets that wish to send credentails
to other sockets.
In practice this break some versions of udev because they receive a
message and the sending uid is bogus so they drop the message.
Reported-by: Sven Joachim <svenjoac@gmx.de>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We have a race condition if we try to rmmod bonding and simultaneously add
a bond master through sysfs. In bonding_exit() we first remove the devices
(through rtnl_link_unregister() ) and only after that we remove the sysfs.
If we manage to add a device through sysfs after that the devices were
removed - we'll end up with that device/sysfs structure and with the module
unloaded.
Fix this by first removing the sysfs and only after that calling
rtnl_link_unregister().
Signed-off-by: Veaceslav Falico <vfalico@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The limit of 0x3c00 is taken from the windows driver.
Suggested-by: Huang, Xiong <xiong@qca.qualcomm.com>
Cc: Huang, Xiong <xiong@qca.qualcomm.com>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
A few drivers use dev_uc_sync/unsync to synchronize the
address lists from master down to slave/lower devices. In
some cases (bond/team) a single address list is synched down
to multiple devices. At the time of unsync, we have a leak
in these lower devices, because "synced" is treated as a
boolean and the address will not be unsynced for anything after
the first device/call.
Treat "synced" as a count (same as refcount) and allow all
unsync calls to work.
Signed-off-by: Vlad Yasevich <vyasevic@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
- Revert of a recent cpuidle change that caused Nehalem machines
to hang on boot from Alex Shi.
- USB power management fix addressing a crash in the port device
object's release routine from Rafael J. Wysocki.
- Device PM QoS fix for a potential deadlock related to sysfs
interface from Rafael J. Wysocki.
- Fix for a cpufreq crash when the /cpus Device Tree node is missing
from Paolo Pisati.
- Fix for a build issue on ia64 related to the Boot Graphics Resource
Table (BGRT) from Tony Luck.
- Two fixes for ACPI handles being set incorrectly for device
objects that don't correspond to any ACPI namespace nodes in
the I2C and SPI subsystems from Rafael J. Wysocki.
- Fix for compiler warnings related to CONFIG_PM_DEVFREQ being
unset from Rajagopal Venkat.
- Fix for a symbol definition typo in cpufreq_governor.h from
Borislav Petkov.
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Merge tag 'pm+acpi-3.9-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI and power management fixes from Rafael Wysocki:
- Revert of a recent cpuidle change that caused Nehalem machines to
hang on boot from Alex Shi.
- USB power management fix addressing a crash in the port device
object's release routine from Rafael J Wysocki.
- Device PM QoS fix for a potential deadlock related to sysfs interface
from Rafael J Wysocki.
- Fix for a cpufreq crash when the /cpus Device Tree node is missing
from Paolo Pisati.
- Fix for a build issue on ia64 related to the Boot Graphics Resource
Table (BGRT) from Tony Luck.
- Two fixes for ACPI handles being set incorrectly for device objects
that don't correspond to any ACPI namespace nodes in the I2C and SPI
subsystems from Rafael J Wysocki.
- Fix for compiler warnings related to CONFIG_PM_DEVFREQ being unset
from Rajagopal Venkat.
- Fix for a symbol definition typo in cpufreq_governor.h from Borislav
Petkov.
* tag 'pm+acpi-3.9-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI / BGRT: Don't let users configure BGRT on non X86 systems
cpuidle / ACPI: recover percpu ACPI processor cstate
ACPI / I2C: Use parent's ACPI_HANDLE() in acpi_i2c_register_devices()
cpufreq: Correct header guards typo
ACPI / SPI: Use parent's ACPI_HANDLE() in acpi_register_spi_devices()
cpufreq: check OF node /cpus presence before dereferencing it
PM / devfreq: Fix compiler warnings for CONFIG_PM_DEVFREQ unset
PM / QoS: Avoid possible deadlock related to sysfs access
USB / PM: Don't try to hide PM QoS flags from usb_port_device_release()
It would cause no link after suspending or shutdowning when the
nic changes the speed to 10M and connects to a link partner which
forces the speed to 100M.
Check the link partner ability to determine which speed to set.
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Acked-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pablo Neira Ayuso says:
====================
The following patchset contains netfilter updates for your net tree,
they are:
* Fix missing the skb->trace reset in nf_reset, noticed by Gao Feng
while using the TRACE target with several net namespaces.
* Fix prefix translation in IPv6 NPT if non-multiple of 32 prefixes
are used, from Matthias Schiffer.
* Fix invalid nfacct objects with empty name, they are now rejected
with -EINVAL, spotted by Michael Zintakis, patch from myself.
* A couple of fixes for wrong return values in the error path of
nfnetlink_queue and nf_conntrack, from Wei Yongjun.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
John W. Linville says:
====================
Here are some more fixes intended for the 3.9 stream...
Regarding the mac80211 bits, Johannes says:
"I had changed the idle handling to simplify it, but broken the
sequencing of commands, at least for ath9k-htc, one patch restores the
sequence. The other patch fixes a crash Jouni found while stress-testing
the remain-on-channel code, when an item is deleted the work struct can
run twice and crash the second time."
As for the iwlwifi bits, Johannes says:
"The only fix here is to the passive-no-RX firmware regulatory
enforcement driver support code to not drop auth frames in quick
succession, leading to not being able to connect to APs on passive
channels in certain circumstances."
Don't forget the NFC bits, about which Samuel says:
"This time we have:
- A crash fix for when a DGRAM LLCP socket is listening while the NFC adapter
is physically removed.
- A potential double skb free when the LLCP socket receive queue is full.
- A fix for properly handling multiple and consecutive LLCP connections, and
not trash the socket ack log.
- A build failure for the MEI microread physical layer, now that the MEI bus
APIs have been merged into char-misc-next."
On top of that, Stone Piao provides an mwifiex fix to avoid accessing
beyond the end of a buffer.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
find_vma() can be called by multiple threads with read lock
held on mm->mmap_sem and any of them can update mm->mmap_cache.
Prevent compiler from re-fetching mm->mmap_cache, because other
readers could update it in the meantime:
thread 1 thread 2
|
find_vma() | find_vma()
struct vm_area_struct *vma = NULL; |
vma = mm->mmap_cache; |
if (!(vma && vma->vm_end > addr |
&& vma->vm_start <= addr)) { |
| mm->mmap_cache = vma;
return vma; |
^^ compiler may optimize this |
local variable out and re-read |
mm->mmap_cache |
This issue can be reproduced with gcc-4.8.0-1 on s390x by running
mallocstress testcase from LTP, which triggers:
kernel BUG at mm/rmap.c:1088!
Call Trace:
([<000003d100c57000>] 0x3d100c57000)
[<000000000023a1c0>] do_wp_page+0x2fc/0xa88
[<000000000023baae>] handle_pte_fault+0x41a/0xac8
[<000000000023d832>] handle_mm_fault+0x17a/0x268
[<000000000060507a>] do_protection_exception+0x1e2/0x394
[<0000000000603a04>] pgm_check_handler+0x138/0x13c
[<000003fffcf1f07a>] 0x3fffcf1f07a
Last Breaking-Event-Address:
[<000000000024755e>] page_add_new_anon_rmap+0xc2/0x168
Thanks to Jakub Jelinek for his insight on gcc and helping to
track this down.
Signed-off-by: Jan Stancek <jstancek@redhat.com>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Hugh Dickins <hughd@google.com>
Cc: stable@vger.kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
mounted R/O and then remounted R/W.
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Merge tag 'upstream-3.9-rc6' of git://git.infradead.org/linux-ubifs
Pull UBIFS fix from Artem Bityutskiy:
"Make the space fixup feature work in the case when the file-system is
first mounted R/O and then remounted R/W."
* tag 'upstream-3.9-rc6' of git://git.infradead.org/linux-ubifs:
UBIFS: make space fixup work in the remount case
Will Deacon