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Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add #define pr_fmt(fmt) KBUILD_MODNAME ":%s: " fmt, __func__
Remove function names from output
Use single line pr_debug instead of broken multiple uses without newline
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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References removed HAVE_MULTICAST.
Reporeted-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch introduces three macros to work with uc list from net drivers.
Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Based on patch from Sridhar Samudrala
The following patch fixes the check for IPv6 GSO packet in ixgbevf
driver to use skb_is_gso_v6(). SKB_GSO_DODGY is also set
when packets are forwarded from a guest.
CC: Sridhar Samudrala <sri@us.ibm.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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connection track
No matter whether connection track is enabled, an end host should send
an ICMPv4 "Fragment Reassembly Timeout" message when defrag timeout.
The reasons are following two points:
1. RFC 792 says:
>>>> >> > > If a host reassembling a fragmented datagram cannot complete the
>>>> >> > > reassembly due to missing fragments within its time limit it
>>>> >> > > discards the datagram, and it may send a time exceeded message.
>>>> >> > >
>>>> >> > > If fragment zero is not available then no time exceeded need be
>>>> >> > > sent at all.
>>>> >> > >
>>>> >> > > Read more: http://www.faqs.org/rfcs/rfc792.html#ixzz0aOXRD7Wp
2. Patrick McHardy also agrees with this opinion. :-)
About the discussion of this opinion, refer to http://patchwork.ozlabs.org/patch/41649
The patch fixed the problem like this:
When enabling connection track, fragments are received at PRE_ROUTING HOOK.
If they are failed to reassemble, ip_expire() will be called.
Before sending an ICMP "Fragment Reassembly Timeout" message,
the patch searches router table to get the destination entry only for host type.
The patch has been tested on both host type and route type.
Signed-off-by: Shan Wei <shanwei@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simpily pass 'struct neigh_table' with seq_file private pointer,
and save one dereference. Proc entry itself isn't interesting.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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After netdev_ops compat code HAVE_* macros aren't needed, in fact
they _will_ result in compile breakage for out of tree drivers.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When the VF detects that the PF has reset turn off carrier and stop all
tx queues.
Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix panics in the VF driver that occur when you bring it down after
having already brought the PF down.
Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When the VF driver gets a control message from the PF that indicates the
PF is about to reset or go down we schedule the watchdog timer so that
it will detect the PF has gone offline and take appropriate action.
Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Inadequate coordination between the PF driver and the VF driver results
in tx hangs in the VF driver when you perform certain actions that will
lead to a re-init of the PF. Add feature to notify active VFs when the PF
is about to re-initialize so that the VFs can take appropriate action.
Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The PF Reset Done bit should not be set in the extended control register
until the PF has actually completed the bring up process. It is a mis-
interpretation of the purpose of this bit to assume it should be set
when the physical reset of the device is done. Instead it should be used
to indicate to the VFs when the PF is ready to provide them with required
services. This is not until after the PF is finished coming up and ready
to process mailbox events.
Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This data storage for SW emulated MAC addresses is unlikely to ever be used
so pull it.
Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When VFs are allocated (as indicated by adapter->num_vfs is non-zero) then
the PF pool is no longer zero. Instead it will be the same as the number
of VFs allocated. When setting the VLVF entry for the PF we need to use
the correct pool otherwise the PF will get VLAN packets from the wire
because the packet will pass VFTA filtering and the PF has the default
pool, but it will not get VLAN packets from the VFs because it has
not set the correct pool bit in the VLVF entry.
Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
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Pages are posted to the rxq in such a way that more than one frag
can share the page. The last frag that uses the page unmaps the
page. In the case when a page is not fully used (due to lack of space in rxq)
the last frag that uses the page is not being set as a "last_page_user";
instead, the next frag in the rxq is incorrectly being set.
The fix has also been tested on ppc64 with 64k pages...
Signed-off-by: Sathya Perla <sathyap@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Sarveshwar Bandi <sarveshwarb@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The ddr dma ethtool self test needs to be performed even when ETH_TEST_FL_OFFLINE is not set.
Signed-off-by: Sarveshwar Bandi <sarveshwarb@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
perf: x86: Add support for the ANY bit
perf: Change the is_software_event() definition
perf: Honour event state for aux stream data
perf: Fix perf_event_do_pending() fallback callsite
perf kmem: Print usage help for unknown commands
perf kmem: Increase "Hit" column length
hw-breakpoints, perf: Fix broken mmiotrace due to dr6 by reference change
perf timechart: Use tid not pid for COMM change
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
sched: Reassign prev and switch_count when reacquire_kernel_lock() fail
sched: Fix vmark regression on big machines
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git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev:
libata: retry FS IOs even if it has failed with AC_ERR_INVALID
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* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6:
tty: fix race in tty_fasync
serial: serial_cs: oxsemi quirk breaks resume
serial: imx: bit &/| confusion
serial: Fix crash if the minimum rate of the device is > 9600 baud
serial-core: resume serial hardware with no_console_suspend
serial: 8250_pnp: use wildcard for serial Wacom tablets
nozomi: quick fix for the close/close bug
compat_ioctl: Supress "unknown cmd" message on serial /dev/console
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* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6:
Staging: hv: fix smp problems in the hyperv core code
Staging: et131x: Fix 2.6.33rc1 regression in et131x
Staging: asus_oled: fix oops in 2.6.32.2
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* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6:
Revert "sysdev: fix prototype for memory_sysdev_class show/store functions"
driver-core: fix devtmpfs crash on s390
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* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6:
USB: isp1362: fix build failure on ARM systems via irq_flags cleanup
USB: isp1362: better 64bit printf warning fixes
USB: fix usbstorage for 2770:915d delivers no FAT
USB: Fix level of isp1760 Reloading ptd error message
USB: FHCI: avoid NULL pointer dereference
USB: Fix duplicate sysfs problem after device reset.
USB: add speed values for USB 3.0 and wireless controllers
USB: add missing delay during remote wakeup
USB: EHCI & UHCI: fix race between root-hub suspend and port resume
USB: EHCI: fix handling of unusual interrupt intervals
USB: Don't use GFP_KERNEL while we cannot reset a storage device
USB: fix bitmask merge error
usb: serial: fix memory leak in generic driver
USB: serial: fix USB serial fix kfifo_len locking
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* 'for-linus' of git://git.kernel.dk/linux-2.6-block:
fs/bio.c: fix shadows sparse warning
drbd: The kernel code is now equivalent to out of tree release 8.3.7
drbd: Allow online resizing of DRBD devices while peer not reachable (needs to be explicitly forced)
drbd: Don't go into StandAlone mode when authentification failes because of network error
drivers/block/drbd/drbd_receiver.c: correct NULL test
cfq-iosched: Respect ioprio_class when preempting
genhd: overlapping variable definition
block: removed unused as_io_context
DM: Fix device mapper topology stacking
block: bdev_stack_limits wrapper
block: Fix discard alignment calculation and printing
block: Correct handling of bottom device misaligment
drbd: check on CONFIG_LBDAF, not LBD
drivers/block/drbd: Correct NULL test
drbd: Silenced an assert that could triggered after changing write ordering method
drbd: Kconfig fix
drbd: Fix for a race between IO and a detach operation [Bugz 262]
drbd: Use drbd_crypto_is_hash() instead of an open coded check
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git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (23 commits)
ACPI: delete acpi_processor_power_verify_c2()
ACPI: allow C3 > 1000usec
ACPI: enable C2 and Turbo-mode on Nehalem notebooks on A/C
ACPI: power_meter: remove double kfree()
ACPI: processor: restrict early _PDC to opt-in platforms
ACPI: Fix unused variable warning in sbs.c
acpi: make ACPI device id constant
sony-laptop - fix using of uninitialized variable
ACPI: Fix section mismatch error for acpi_early_processor_set_pdc()
eeepc-laptop: disable wireless hotplug for 1201N
eeepc-laptop: add hotplug_disable parameter
eeepc-laptop: switch to using sparse keymap library
eeepc-laptop: dmi blacklist to disable pci hotplug code
eeepc-laptop: disable cpu speed control on EeePC 701
ACPI: don't cond_resched if irq is disabled
ACPI: Remove unnecessary cast.
ACPI: Advertise to BIOS in _OSC: _OST on _PPC changes
ACPI: EC: Add wait for irq storm
ACPI: SBS: Move SBS HC callback to faster Notify queue
x86, ACPI: delete acpi_boot_table_init() return value
...
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git://git.kernel.org/pub/scm/linux/kernel/git/ecryptfs/ecryptfs-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ecryptfs/ecryptfs-2.6:
ecryptfs: use after free
ecryptfs: Eliminate useless code
ecryptfs: fix interpose/interpolate typos in comments
ecryptfs: pass matching flags to interpose as defined and used there
ecryptfs: remove unnecessary d_drop calls in ecryptfs_link
ecryptfs: don't ignore return value from lock_rename
ecryptfs: initialize private persistent file before dereferencing pointer
eCryptfs: Remove mmap from directory operations
eCryptfs: Add getattr function
eCryptfs: Use notify_change for truncating lower inodes
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* git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable:
Btrfs: fix possible panic on unmount
Btrfs: deal with NULL acl sent to btrfs_set_acl
Btrfs: fix regression in orphan cleanup
Btrfs: Fix race in btrfs_mark_extent_written
Btrfs, fix memory leaks in error paths
Btrfs: align offsets for btrfs_ordered_update_i_size
btrfs: fix missing last-entry in readdir(3)
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In free_unmap_area_noflush(), va->flags is marked as VM_LAZY_FREE first, and
then vmap_lazy_nr is increased atomically.
But, in __purge_vmap_area_lazy(), while traversing of vmap_are_list, nr
is counted by checking VM_LAZY_FREE is set to va->flags. After counting
the variable nr, kernel reads vmap_lazy_nr atomically and checks a
BUG_ON condition whether nr is greater than vmap_lazy_nr to prevent
vmap_lazy_nr from being negative.
The problem is that, if interrupted right after marking VM_LAZY_FREE,
increment of vmap_lazy_nr can be delayed. Consequently, BUG_ON
condition can be met because nr is counted more than vmap_lazy_nr.
It is highly probable when vmalloc/vfree are called frequently. This
scenario have been verified by adding delay between marking VM_LAZY_FREE
and increasing vmap_lazy_nr in free_unmap_area_noflush().
Even the vmap_lazy_nr is for checking high watermark, it never be the
strict watermark. Although the BUG_ON condition is to prevent
vmap_lazy_nr from being negative, vmap_lazy_nr is signed variable. So,
it could go down to negative value temporarily.
Consequently, removing the BUG_ON condition is proper.
A possible BUG_ON message is like the below.
kernel BUG at mm/vmalloc.c:517!
invalid opcode: 0000 [#1] SMP
EIP: 0060:[<c04824a4>] EFLAGS: 00010297 CPU: 3
EIP is at __purge_vmap_area_lazy+0x144/0x150
EAX: ee8a8818 EBX: c08e77d4 ECX: e7c7ae40 EDX: c08e77ec
ESI: 000081fe EDI: e7c7ae60 EBP: e7c7ae64 ESP: e7c7ae3c
DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
Call Trace:
[<c0482ad9>] free_unmap_vmap_area_noflush+0x69/0x70
[<c0482b02>] remove_vm_area+0x22/0x70
[<c0482c15>] __vunmap+0x45/0xe0
[<c04831ec>] vmalloc+0x2c/0x30
Code: 8d 59 e0 eb 04 66 90 89 cb 89 d0 e8 87 fe ff ff 8b 43 20 89 da 8d 48 e0 8d 43 20 3b 04 24 75 e7 fe 05 a8 a5 a3 c0 e9 78 ff ff ff <0f> 0b eb fe 90 8d b4 26 00 00 00 00 56 89 c6 b8 ac a5 a3 c0 31
EIP: [<c04824a4>] __purge_vmap_area_lazy+0x144/0x150 SS:ESP 0068:e7c7ae3c
[ See also http://marc.info/?l=linux-kernel&m=126335856228090&w=2 ]
Signed-off-by: Yongseok Koh <yongseok.koh@samsung.com>
Reviewed-by: Minchan Kim <minchan.kim@gmail.com>
Cc: Nick Piggin <npiggin@suse.de>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* 'sh/for-2.6.33' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6:
sh64: wire up sys_accept4.
sh: unwire sys_recvmmsg.
sh: ms7724: Correct sh-eth EEPROM polling timeout.
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* master.kernel.org:/home/rmk/linux-2.6-arm:
ARM: 5888/1: arm: Update comments in cacheflush.h and remove unnecessary V6 and V7 comments
ARM: 5886/1: arm: Fix cpu_proc_fin() for proc-v7.S and make kexec work
ARM: 5885/1: arm: Flush TLB entries in setup_mm_for_reboot()
ARM: 5884/1: arm: Fix DCC console for v7
ARM: 5883/1: Revert "disable NX support for OABI-supporting kernels"
ARM: 5882/1: ARM: Fix uncompress code compile for different defines of flush(void)
ARM: fix badly placed mach/plat entries in Kconfig & Makefile
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Propagate the ANY bit into the fixed counter config for v3 and higher.
Signed-off-by: Stephane Eranian <eranian@google.com>
[a.p.zijlstra@chello.nl: split from larger patch]
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <4b5430c6.0f975e0a.1bf9.ffff85fe@mx.google.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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The is_software_event() definition always confuses me because its an
exclusive expression, make it an inclusive one.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Anton reported that perf record kept receiving events even after calling
ioctl(PERF_EVENT_IOC_DISABLE). It turns out that FORK,COMM and MMAP
events didn't respect the disabled state and kept flowing in.
Reported-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Tested-by: Anton Blanchard <anton@samba.org>
LKML-Reference: <1263459187.4244.265.camel@laptop>
CC: stable@kernel.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Paul questioned the context in which we should call
perf_event_do_pending(). After looking at that I found that it should be
called from IRQ context these days, however the fallback call-site is
placed in softirq context. Ammend this by placing the callback in the IRQ
timer path.
Reported-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <1263374859.4244.192.camel@laptop>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Assume A->B schedule is processing, if B have acquired BKL before and it
need reschedule this time. Then on B's context, it will go to
need_resched_nonpreemptible for reschedule. But at this time, prev and
switch_count are related to A. It's wrong and will lead to incorrect
scheduler statistics.
Signed-off-by: Yong Zhang <yong.zhang0@gmail.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <2674af741001102238w7b0ddcadref00d345e2181d11@mail.gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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SD_PREFER_SIBLING is set at the CPU domain level if power saving isn't
enabled, leading to many cache misses on large machines as we traverse
looking for an idle shared cache to wake to. Change the enabler of
select_idle_sibling() to SD_SHARE_PKG_RESOURCES, and enable same at the
sibling domain level.
Reported-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <1262612696.15495.15.camel@marge.simson.net>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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The variable newinet is initialized twice to the same (side effect-free)
expression. Drop one initialization.
A simplified version of the semantic match that finds this problem is:
(http://coccinelle.lip6.fr/)
// <smpl>
@forall@
idexpression *x;
identifier f!=ERR_PTR;
@@
x = f(...)
... when != x
(
x = f(...,<+...x...+>,...)
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* x = f(...)
)
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Acked-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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drivers/built-in.o: In function `get_tun_socket':
net.c:(.text+0x15436e): undefined reference to `tun_get_socket'
If tun is a module, vhost must be a module, too.
If tun is built-in or disabled, vhost can be built-in.
Note: TUN || !TUN might look a bit strange until you realize
that boolean logic rules do not apply for tristate variables.
Reported-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Avoid checking twice whether skb needs to be linearized, if one
skb_linearize was already done.
Signed-off-by: Krishna Kumar <krkumar2@in.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Liu Yu <yu.liu@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Old method only set tbi-phy for eth0.
Signed-off-by: Liu Yu <yu.liu@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Liu Yu <yu.liu@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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After these change, when need to work in rtbi mode,
just change phy-connection-type to "rtbi".
Also, this work can be done by u-boot.
Signed-off-by: Liu Yu <yu.liu@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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