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* 'v4l_for_linus' of git://linuxtv.org/mchehab/for_linus:
[media] omap3isp: Fix build error in ispccdc.c
[media] uvcvideo: Fix crash when linking entities
[media] v4l: Make sure we hold a reference to the v4l2_device before using it
[media] v4l: Fix use-after-free case in v4l2_device_release
[media] uvcvideo: Set alternate setting 0 on resume if the bus has been reset
[media] OMAP_VOUT: Fix build break caused by update_mode removal in DSS2
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* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6:
[S390] cio: fix cio_tpi ignoring adapter interrupts
[S390] gmap: always up mmap_sem properly
[S390] Do not clobber personality flags on exec
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* git://github.com/davem330/sparc:
sparc64: Force the execute bit in OpenFirmware's translation entries.
sparc: Make '-p' boot option meaningful again.
sparc, exec: remove redundant addr_limit assignment
sparc64: Future proof Niagara cpu detection.
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* 'drm-intel-fixes' of git://people.freedesktop.org/~keithp/linux:
drm/i915: FBC off for ironlake and older, otherwise on by default
drm/i915: Enable SDVO hotplug interrupts for HDMI and DVI
drm/i915: Enable dither whenever display bpc < frame buffer bpc
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Apple Quad G5 has some oddity in it's device-tree which causes the new
generic matching code to fail to relate nodes for PCI-E devices below U4
with their respective struct pci_dev. This breaks graphics on those
machines among others.
This fixes it using a quirk which copies the node pointer from the host
bridge for the root complex, which makes the generic code work for the
children afterward.
Signed-off-by: Benjamin Herrenschmidt <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Commit d5767c53535a ("bootup: move 'usermodehelper_enable()' to the end
of do_basic_setup()") moved 'usermodehelper_enable()' to end of
do_basic_setup() to after the initcalls. But then I get failed to let
uvesafb work on my computer, and lose the splash boot.
So maybe we could start usermodehelper_enable a little early to make
some task work that need eary init with the help of user mode.
[ I would *really* prefer that initcalls not call into user space - even
the real 'init' hasn't been execve'd yet, after all! But for uvesafb
it really does look like we don't have much choice.
I considered doing this when we mount the root filesystem, but
depending on config options that is in multiple places. We could do
the usermode helper enable as a rootfs_initcall()..
So I'm just using wang yanqing's trivial patch. It's not wonderful,
but it's simple and should work. We should revisit this some day,
though. - Linus ]
Signed-off-by: Linus Torvalds <[email protected]>
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The commit aabdcb0b553b9c9547b1a506b34d55a764745870 ("can bcm: fix tx_setup
off-by-one errors") fixed only a part of the original problem reported by
Andre Naujoks. It turned out that the original code needed to be re-ordered
to reduce complexity and to finally fix the reported frame counting issues.
Signed-off-by: Oliver Hartkopp <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Wrong pointer is being passed for raw data sanity checking, when parsing
sample event.
This ends up with invalid event and perf record being stuck in
__perf_session__process_events function during processing build IDs
(process_buildids function).
Following command hangs up in my setup:
./perf record -e raw_syscalls:sys_enter ls
The fix is to use proper pointer to the raw data instead of the 'u'
union.
Reviewed-by: David Ahern <[email protected]>
Cc: David Ahern <[email protected]>
Cc: Eric Dumazet <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Neil Horman <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Steven Rostedt <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Jiri Olsa <[email protected]>
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
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In the OF 'translations' property, the template TTEs in the mappings
never specify the executable bit. This is the case even though some
of these mappings are for OF's code segment.
Therefore, we need to force the execute bit on in every mapping.
This problem can only really trigger on Niagara/sun4v machines and the
history behind this is a little complicated.
Previous to sun4v, the sun4u TTE entries lacked a hardware execute
permission bit. So OF didn't have to ever worry about setting
anything to handle executable pages. Any valid TTE loaded into the
I-TLB would be respected by the chip.
But sun4v Niagara chips have a real hardware enforced executable bit
in their TTEs. So it has to be set or else the I-TLB throws an
instruction access exception with type code 6 (protection violation).
We've been extremely fortunate to not get bitten by this in the past.
The best I can tell is that the OF's mappings for it's executable code
were mapped using permanent locked mappings on sun4v in the past.
Therefore, the fact that we didn't have the exec bit set in the OF
translations we would use did not matter in practice.
Thanks to Greg Onufer for helping me track this down.
Signed-off-by: David S. Miller <[email protected]>
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In the rds_iw_mr_pool struct the free_pinned field keeps track of
memory pinned by free MRs. While this field is incremented properly
upon allocation, it is never decremented upon unmapping. This would
cause the rds_rdma module to crash the kernel upon unloading, by
triggering the BUG_ON in the rds_iw_destroy_mr_pool function.
This change keeps track of the MRs that become unpinned, so that
free_pinned can be decremented appropriately.
Signed-off-by: Jonathan Lallinger <[email protected]>
Signed-off-by: Steve Wise <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Signed-off-by: Roy.Li <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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If request_irq fails, the ibmveth driver will overwrite
the rc and end up returning a successful rc on its open
function, resulting in an oops later when a packet gets
sent and buffers are not allocated due to the failed open.
Signed-off-by: Brian King <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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ipv6_ac_list and ipv6_fl_list from listening socket are inadvertently
shared with new socket created for connection.
Signed-off-by: Zheng Yan <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Fix EEH recovery on new P Series platform by
requesting fundamental reset.
Signed-off-by: Divy Le Ray <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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This patch fixes two off-by-one errors that canceled each other out.
Checking for the same condition two times in bcm_tx_timeout_tsklet() reduced
the count of frames to be sent by one. This did not show up the first time
tx_setup is invoked as an additional frame is sent due to TX_ANNONCE.
Invoking a second tx_setup on the same item led to a reduced (by 1) number of
sent frames.
Reported-by: Andre Naujoks <[email protected]>
Signed-off-by: Oliver Hartkopp <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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I got:
Generating server: Tehuti.onmicrosoft.com
[email protected]
#< #5.1.1 smtp;550 5.1.1 RESOLVER.ADR.RecipNotFound; not found> #SMTP#
Signed-off-by: Ian Campbell <[email protected]>
Cc: Alexander Indenbaum <[email protected]>
Cc: Andy Gospodarek <[email protected]>
Cc: Andrew Morton <[email protected]>
Cc: [email protected]
Signed-off-by: David S. Miller <[email protected]>
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The driver has two warning messages that might be triggered
by normal use cases. When they appear, the messages give the
impression of a never ending series of errors.
This commit changes them to debug messages instead.
Signed-off-by: Richard Cochran <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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The IEEE 1588 standard defines two kinds of messages, event and general
messages. Event messages require time stamping, and general do not. When
using UDP transport, two separate ports are used for the two message
types.
The BPF designed to recognize event messages incorrectly classifies L2
general messages as event messages. This commit fixes the issue by
extending the filter to check the message type field for L2 PTP packets.
Event messages are be distinguished from general messages by testing
the "general" bit.
Signed-off-by: Richard Cochran <[email protected]>
Cc: <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Doing it just before starting to call into cpu_idle() made a sick kind
of sense only because the original bug we fixed (see commit
288d5abec831: "Boot up with usermodehelper disabled") was about problems
with some scheduler data structures not being initialized, and they had
better be initialized at that point.
But it really didn't make any other conceptual sense, and doing it after
the initial "schedule()" call for the idle thread actually opened up a
race: what if the main initialization thread did everything without
needing to sleep, and got all the way into user land too? Without
actually having scheduled back to the idle thread?
Now, in normal circumstances that doesn't ever happen, but it looks like
Richard Cochran triggered exactly that on his ARM IXP4xx machines:
"I have some ARM IXP4xx based machines that use the two on chip MAC
ports (aka NPEs). The NPE needs a firmware in order to function.
Ever since the following commit [that 288d5abec831 one], it is no
longer possible to bring up the interfaces during the init scripts."
with a call trace showing an ioctl coming from user space. Richard says:
"The init is busybox, and the startup script does mount, syslogd, and
then ifup, so that all can go by quickly."
The fix is to move the usermodehelper_enable() into the main 'init'
thread, and just put it after we've done all our initcalls. By then,
everything really should be up, but we've obviously not actually started
the user-mode portion of init yet.
Reported-and-tested-by: Richard Cochran <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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The incremental map updates have a record for each pg_temp mapping that is
to be add/updated (len > 0) or removed (len == 0). The old code was
written as if the updates were a complete enumeration; that was just wrong.
Update the code to remove 0-length entries and drop the rbtree traversal.
This avoids misdirected (and hung) requests that manifest as server
errors like
[WRN] client4104 10.0.1.219:0/275025290 misdirected client4104.1:129 0.1 to osd0 not [1,0] in e11/11
Signed-off-by: Sage Weil <[email protected]>
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We need to apply the modulo pg_num calculation before looking up a pgid in
the pg_temp mapping rbtree. This fixes pg_temp mappings, and fixes
(some) misdirected requests that result in messages like
[WRN] client4104 10.0.1.219:0/275025290 misdirected client4104.1:129 0.1 to osd0 not [1,0] in e11/11
on the server and stall make the client block without getting a reply (at
least until the pg_temp mapping goes way, but that can take a long long
time).
Reorder calc_pg_raw() a bit to make more sense.
Signed-off-by: Sage Weil <[email protected]>
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* git://github.com/davem330/net:
ipv6-multicast: Fix memory leak in IPv6 multicast.
ipv6: check return value for dst_alloc
net: check return value for dst_alloc
ipv6-multicast: Fix memory leak in input path.
bnx2x: add missing break in bnx2x_dcbnl_get_cap
bnx2x: fix WOL by enablement PME in config space
bnx2x: fix hw attention handling
net: fix a typo in Documentation/networking/scaling.txt
ath9k: Fix a dma warning/memory leak
rtlwifi: rtl8192cu: Fix unitialized struct
iwlagn: fix dangling scan request
batman-adv: do_bcast has to be true for broadcast packets only
cfg80211: Fix validation of AKM suites
iwlegacy: do not use interruptible waits
iwlegacy: fix command queue timeout
ath9k_hw: Fix Rx DMA stuck for AR9003 chips
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* git://bedivere.hansenpartnership.com/git/scsi-rc-fixes-2.6:
[SCSI] 3w-9xxx: fix iommu_iova leak
[SCSI] cxgb3i: convert cdev->l2opt to use rcu to prevent NULL dereference
[SCSI] scsi: qla4xxx needs libiscsi.o
[SCSI] libsas: fix failure to revalidate domain for anything but the first expander child.
[SCSI] aacraid: reset should disable MSI interrupt
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Storing the struct temp_data pointer allocated from create_core_data()
when returning an error has the potential of leaving around a pointer
to freed memory. Reset it to NULL for error returns.
Reported-by: Jan Beulich <[email protected]>
Signed-off-by: Guenter Roeck <[email protected]>
Acked-by: Jean Delvare <[email protected]>
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With recent change "hwmon: (coretemp) don't use kernel assigned CPU
number as platform device ID", the microcode check is now running on
random CPU. Fix that by checking the microcode before creating the
platform device rather than at probe time.
Also avoid calling TO_PHYS_ID(cpu) twice in the same function, it's
expensive.
Signed-off-by: Jean Delvare <[email protected]>
Cc: Jan Beulich <[email protected]>
Cc: Guenter Roeck <[email protected]>
Signed-off-by: Guenter Roeck <[email protected]>
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* 'for-linus' of git://git.kernel.dk/linux-block:
block: Free queue resources at blk_release_queue()
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* 'writeback-for-linus' of git://github.com/fengguang/linux:
writeback: show raw dirtied_when in trace writeback_single_inode
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A kernel crash is observed when a mounted ext3/ext4 filesystem is
physically removed. The problem is that blk_cleanup_queue() frees up
some resources eg by calling elevator_exit(), which are not checked for
in normal operation. So we should rather move these calls to the
destructor function blk_release_queue() as at that point all remaining
references are gone. However, in doing so we have to ensure that any
externally supplied queue_lock is disconnected as the driver might free
up the lock after the call of blk_cleanup_queue(),
Signed-off-by: Hannes Reinecke <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
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* 'for-linus' of git://github.com/tiwai/sound:
ASoC: ssm2602: Re-enable oscillator after suspend
ALSA: usb-audio: Check for possible chip NULL pointer before clearing probing flag
ALSA: hda/realtek - Don't detect LO jack when identical with HP
ALSA: hda/realtek - Avoid bogus HP-pin assignment
ALSA: HDA: No power nids on 92HD93
ASoC: omap-mcbsp: Do not attempt to change DAI sysclk if stream is active
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* 'pm-fixes' of git://github.com/rjwysocki/linux-pm:
PM / Clocks: Do not acquire a mutex under a spinlock
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into for-davem
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If reg_vif_xmit cannot find a routing entry, be sure to
free the skb before returning the error.
Signed-off-by: Ben Greear <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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return value of dst_alloc must be checked before use
Signed-off-by: Madalin Bucur <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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return value of dst_alloc must be checked before use
Signed-off-by: Madalin Bucur <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Have to free the skb before returning if we fail
the fib lookup.
Signed-off-by: Ben Greear <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Signed-off-by: Dmitry Kravkov <[email protected]>
Signed-off-by: Eilon Greenstein <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Signed-off-by: Dmitry Kravkov <[email protected]>
Signed-off-by: Eilon Greenstein <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Use register name to initialize attention mask
Signed-off-by: Dmitry Kravkov <[email protected]>
Signed-off-by: Eilon Greenstein <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Signed-off-by: Jason Wang <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Icmp packets with wrong checksum are never dropped since skb->ip_summed is
set to CHECKSUM_UNNECESSARY.
When icmp packets with wrong checksum pass through the octeon net driver,
the not_IP, IP_exc, L4_error hardware indicators show no error. so the
driver sets CHECKSUM_UNNECESSARY on skb->ip_summed.
L4_error only works for TCP/UDP, not for ICMP.
Signed-off-by: Roy.Li <[email protected]>
To: [email protected]
Cc: [email protected]
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/2798/
Acked-by: David Daney <[email protected]>
Cc: Greg KH <[email protected]
Signed-off-by: Ralf Baechle <[email protected]>
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That flag no longer makes sense, since we don't look up automount points
as eagerly any more. Additionally, it turns out that the NO_AUTOMOUNT
handling was buggy to begin with: it would avoid automounting even for
cases where we really *needed* to do the automount handling, and could
return ENOENT for autofs entries that hadn't been instantiated yet.
With our new non-eager automount semantics, one discussion has been
about adding a AT_AUTOMOUNT flag to vfs_fstatat (and thus the
newfstatat() and fstatat64() system calls), but it's probably not worth
it: you can always force at least directory automounting by simply
adding the final '/' to the filename, which works for *all* of the stat
family system calls, old and new.
So AT_NO_AUTOMOUNT (and thus LOOKUP_NO_AUTOMOUNT) really were just a
result of our bad default behavior.
Acked-by: Ian Kent <[email protected]>
Acked-by: Trond Myklebust <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Currently the the internal oscillator is powered down when entering BIAS_OFF
state, but not re-enabled when going back to BIAS_STANDBY. As a result the
CODEC will stop working after suspend if the internal oscillator is used to
generate the sysclock signal. This patch fixes it by clearing the appropriate
bit in the power down register when the CODEC is re-enabled.
Signed-off-by: Lars-Peter Clausen <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
Cc: [email protected]
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The concensus seems to be that system calls such as stat() etc should
not trigger an automount. Neither should the l* versions.
This patch therefore adds a LOOKUP_AUTOMOUNT flag to tag those lookups
that _should_ trigger an automount on the last path element.
Signed-off-by: Trond Myklebust <[email protected]>
[ Edited to leave out the cases that are already covered by LOOKUP_OPEN,
LOOKUP_DIRECTORY and LOOKUP_CREATE - all of which also fundamentally
force automounting for their own reasons - Linus ]
Signed-off-by: Linus Torvalds <[email protected]>
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Since we've now turned around and made LOOKUP_FOLLOW *not* force an
automount, we want to add the ability to force an automount event on
lookup even if we don't happen to have one of the other flags that force
it implicitly (LOOKUP_OPEN, LOOKUP_DIRECTORY, LOOKUP_PARENT..)
Most cases will never want to use this, since you'd normally want to
delay automounting as long as possible, which usually implies
LOOKUP_OPEN (when we open a file or directory, we really cannot avoid
the automount any more).
But Trond argued sufficiently forcefully that at a minimum bind mounting
a file and quotactl will want to force the automount lookup. Some other
cases (like nfs_follow_remote_path()) could use it too, although
LOOKUP_DIRECTORY would work there as well.
This commit just adds the flag and logic, no users yet, though. It also
doesn't actually touch the LOOKUP_NO_AUTOMOUNT flag that is related, and
was made irrelevant by the same change that made us not follow on
LOOKUP_FOLLOW.
Cc: Trond Myklebust <[email protected]>
Cc: Ian Kent <[email protected]>
Cc: Jeff Layton <[email protected]>
Cc: Miklos Szeredi <[email protected]>
Cc: David Howells <[email protected]>
Cc: Al Viro <[email protected]>
Cc: Greg KH <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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* 'samsung-fixes-3' of git://github.com/kgene/linux-samsung:
ARM: EXYNOS4: Rename sclk_cam clocks for FIMC driver
ARM: S5PV210: Rename sclk_cam clocks for FIMC media driver
ARM: S5P: fix incorrect loop iterator usage on gpio-interrupt
ARM: S3C2443: Fix bit-reset in setrate of clk_armdiv
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The sclk_cam clocks are now controlled by the top level FIMC media
device driver bound to "s5p-fimc-md" platform device.
Rename sclk_cam clocks so they accessible by the corresponding
driver.
Signed-off-by: Sylwester Nawrocki <[email protected]>
Signed-off-by: Kyungmin Park <[email protected]>
Signed-off-by: Kukjin Kim <[email protected]>
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