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Recognize the Pegatron Lucid tablets by their method signatures.
Signed-off-by: Andy Ross <andy.ross@windriver.com>
Signed-off-by: Corentin Chary <corentin.chary@gmail.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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This patch depends on the "Platform: Brightness quirk for samsung
laptop driver" patch from Jason Stubbs. This patch adds a check for an
initial brightness level of 0; if the level is 0, this patch changes
the brightness level to 1 before the driver attempts to detect the
brightness quirk.
The Samsung N150 netbook experiences the brightness quirk. Without
Jason's patch, the only brightness levels available on the N150 are 0,
1, and 8. This patch ensures that, when the initial brightness level
is 0, the samsang-laptop driver detects the brightness quirk on the
N150, thereby making brightness levels 0 through 8 available.
Signed-off-by: John Serock <john.serock@gmail.com>
Acked-by: Jason Stubbs <jasonbstubbs@gmail.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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This quirk fixes the wlan rfkill status on this machine. Without
it, wlan is permanently soft blocked whenever acer-wmi is loaded.
BugLink: https://bugs.launchpad.net/bugs/857297
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
Reviewed-by: Lee, Chun-Yi <jlee@novell.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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This patch supports Dell laptop with Synaptics and Alps touchpad chip
that with LED to indicate the functionality of touchpad is disabled or
enabled.
The command for touchpad LED is 0x97, and the data 1 means turn on the
touchpad LED, 2 means turn it off.
BTW, I add dell_quirks to white list those machines that supports this
behavior, so that the code won't affect those who don't have a touchpad LED
machine.
We can easily to turn it on/off by
echo 1 > /sys/class/leds/dell-laptop::touchpad/brightness
echo 0 > /sys/class/leds/dell-laptop::touchpad/brightness
Signed-off-by: AceLan Kao <acelan.kao@canonical.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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Event 0x82 is emitted whenever a backlight event happens (brightness
change, backlight on/off). For instance, when display is switched
off after a timeout, event 0x82 is emitted, and along with it a keypress
which switches the display back on again.
This patch adds 0x82 to the event ignore list so that the display stays
off when it is automatically switched off.
Signed-off-by: Manuel Lauss <manuel.lauss@googlemail.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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Test for features up-front to determine whether or not they are
supported, and avoid creating devices and proc files for
unsupported features.
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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Some Toshiba models, notably those with the TOS1900 device, use
the SPFC method for HCI calls instead of GHCI. Test for this method
if GHCI isn't found, and if it exists use it for all HCI calls.
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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Now that we're using an acpi driver we already have a handle to
the namespace of the HCI call, so there's no need to test various
paths to the HCI call or even be aware of the path at all.
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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Many routines are returning success on failure, and those that are
indicating failure frequently return incorrect error codes. Fix
these up throughout the driver.
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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Changes toshiba_acpi to register an acpi driver and eliminates the
platform device it was using. Also eliminates most global
variables, moving them into toshiba_acpi_dev, along with some
other miscellaneous fixes and cleanup.
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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This is a follow-up for commit 78a7539b, which didn't cover the
Samsung N220 laptop. With this backlight brightness works nicely
on the N220 netbook.
Signed-off-by: Raul Gutierrez Segales <rgs@collabora.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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This patch just adds the DMI info for the samsung laptop driver to work with
the NC210/NC110. It needs the brightness quirk patch for proper support.
Signed-off-by: Jason Stubbs <jasonbstubbs@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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On some Samsung laptops the brightness regulation works slightly different.
All SABI commands except for set_brightness work as expected. The behaviour
of set_brightness is as follows:
- Setting a new brightness will only step one level toward the new brightness
level. For example, setting a level of 5 when the current level is 2 will
result in a brightness level of 3.
- A spurious KEY_BRIGHTNESS_UP or KEY_BRIGHTNESS_DOWN event is also generated
along with the change in brightness.
- Neither of the above two issues occur when changing from/to brightness
level 0.
This patch adds detection and a non-intrusive workaround for the above issues.
Signed-off-by: Jason Stubbs <jasonbstubbs@gmail.com>
Tested-by: David Herrmann <dh.herrmann@googlemail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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samsung_init() should not return success if not all devices are initialized.
Otherwise, samsung_exit() will dereference sdev NULL pointers and others.
Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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The min_brightness value of the sabi_config is incorrectly used in brightness
calculations. For the config where min_brightness = 1 and max_brightness = 8,
the user visible range should be 0 to 7 with hardware being set in the range
of 1 to 8. What is actually happening is that the user visible range is 0 to
8 with hardware being set in the range of -1 to 7.
This patch fixes the above issue as well as a miscalculation that would occur
in the case of min_brightness > 1.
Signed-off-by: Jason Stubbs <jasonbstubbs@gmail.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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patch works for me, but I need to add "acpi_backlight=vendor" to kernel
params
Signed-off-by: Smelov Andrey <xor29a@bk.ru>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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Currently struct gpio is only defined when using gpiolib which makes the
stub gpio_request_array() much less useful in drivers than is ideal as
they can't work with struct gpio. Since there are no other definitions
in kernel instead make the define always available no matter if gpiolib
is selectable or selected, ensuring that drivers can always use the
type.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Some functions of irq generic-chip is undefined, because
EXPORT_SYMBOL_GPL is not set to these.
ERROR: "irq_setup_generic_chip" [drivers/gpio/gpio-pch.ko] undefined!
ERROR: "irq_alloc_generic_chip" [drivers/gpio/gpio-pch.ko] undefined!
ERROR: "irq_setup_generic_chip" [drivers/gpio/gpio-ml-ioh.ko] undefined!
ERROR: "irq_alloc_generic_chip" [drivers/gpio/gpio-ml-ioh.ko] undefined!
This is revised that EXPORT_SYMBOL_GPL can be added and referred
to in functions.
Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Since commit [e58aa3d2: genirq: Run irq handlers with interrupts disabled],
We run all interrupt handlers with interrupts disabled
and we even check and yell when an interrupt handler
returns with interrupts enabled (see commit [b738a50a:
genirq: Warn when handler enables interrupts]).
So now this flag is a NOOP and can be removed.
Signed-off-by: Yong Zhang <yong.zhang0@gmail.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Currently there is a request_mem_region(r->start, ..
followed by r->start += pdata->regs_offset;
And then in remove
r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
release_mem_region(r->start, resource_size(r));
Here the offset addition is not taken care. Fix the code for the
same.
Signed-off-by: Shubhrajyoti D <shubhrajyoti@ti.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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The revision 0x100300 was found for ALC662. It seems to work well
with patch_alc662.
Cc: stable@kernel.org
BugLink: http://bugs.launchpad.net/bugs/877373
Tested-by: Shengyao Xue <Shengyao.xue@canonical.com>
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Acked-by: Kailang Yang <kailang@realtek.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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now we move l2x0 resume to Linux from bootloader since l2x0 already has
resume support in core.
Signed-off-by: Barry Song <Baohua.Song@csr.com>
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Cc: Rob Herring <robherring2@gmail.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
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According to rfc5661 18.50, implement DESTROY_CLIENTID operation.
Signed-off-by: Mi Jinlong <mijinlong@cn.fujitsu.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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Signed-off-by: Benny Halevy <bhalevy@tonian.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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NFS4_SHARE_PUSH_DELEG_WHEN_UNCONTENDED
RFC5661 says:
The client may set one or both of
OPEN4_SHARE_ACCESS_WANT_SIGNAL_DELEG_WHEN_RESRC_AVAIL and
OPEN4_SHARE_ACCESS_WANT_PUSH_DELEG_WHEN_UNCONTENDED.
Signed-off-by: Benny Halevy <bhalevy@tonian.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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Reported-by: Gopala Suryanarayana <gsuryanarayana@vmware.com>
Signed-off-by: Benny Halevy <bhalevy@tonian.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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There is a long standing bug in linux tcp stack, about ACK messages sent
on behalf of TIME_WAIT sockets.
In the IP header of the ACK message, we choose to reflect TOS field of
incoming message, and this might break some setups.
Example of things that were broken :
- Routing using TOS as a selector
- Firewalls
- Trafic classification / shaping
We now remember in timewait structure the inet tos field and use it in
ACK generation, and route lookup.
Notes :
- We still reflect incoming TOS in RST messages.
- We could extend MuraliRaja Muniraju patch to report TOS value in
netlink messages for TIME_WAIT sockets.
- A patch is needed for IPv6
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Renato Westphal noticed that since commit a2835763e130c343ace5320c20d33c281e7097b7
"rtnetlink: handle rtnl_link netlink notifications manually" was merged
we no longer send a netlink message when a networking device is moved
from one network namespace to another.
Fix this by adding the missing manual notification in dev_change_net_namespaces.
Since all network devices that are processed by dev_change_net_namspaces are
in the initialized state the complicated tests that guard the manual
rtmsg_ifinfo calls in rollback_registered and register_netdevice are
unnecessary and we can just perform a plain notification.
Cc: stable@kernel.org
Tested-by: Renato Westphal <renatowestphal@gmail.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is bug in commit 5e2b61f(ipv4: Remove flowi from struct rtable).
It makes xfrm4_fill_dst() modify wrong data structure.
Signed-off-by: Zheng Yan <zheng.z.yan@intel.com>
Reported-by: Kim Phillips <kim.phillips@freescale.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If the device is down during suspend/resume, interrupts are enabled
without a registered interrupt handler, causing a storm of
unhandled interrupts until the IRQ is disabled because "nobody
cared".
Instead, check that the device is up before touching it in the
suspend/resume code.
Fixes https://bugzilla.kernel.org/show_bug.cgi?id=39112
Helped-by: Adrian Chadd <adrian@freebsd.org>
Helped-by: Mohammed Shafi <shafi.wireless@gmail.com>
Signed-off-by: Clemens Buchacher <drizzd@aon.at>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The commit f39925dbde7788cfb96419c0f092b086aa325c0f
(ipv4: Cache learned redirect information in inetpeer.)
removed some ICMP packet validations which are required by
RFC 1122, section 3.2.2.2:
...
A Redirect message SHOULD be silently discarded if the new
gateway address it specifies is not on the same connected
(sub-) net through which the Redirect arrived [INTRO:2,
Appendix A], or if the source of the Redirect is not the
current first-hop gateway for the specified destination (see
Section 3.3.1).
Signed-off-by: Flavio Leitner <fbl@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The pair of functions,
* skb_clone_tx_timestamp()
* skb_complete_tx_timestamp()
were designed to allow timestamping in PHY devices. The first
function, called during the MAC driver's hard_xmit method, identifies
PTP protocol packets, clones them, and gives them to the PHY device
driver. The PHY driver may hold onto the packet and deliver it at a
later time using the second function, which adds the packet to the
socket's error queue.
As pointed out by Johannes, nothing prevents the socket from
disappearing while the cloned packet is sitting in the PHY driver
awaiting a timestamp. This patch fixes the issue by taking a reference
on the socket for each such packet. In addition, the comments
regarding the usage of these function are expanded to highlight the
rule that PHY drivers must use skb_complete_tx_timestamp() to release
the packet, in order to release the socket reference, too.
These functions first appeared in v2.6.36.
Reported-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Richard Cochran <richard.cochran@omicron.at>
Cc: <stable@vger.kernel.org>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Reviewed-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Now tcp_md5_hash_header() has a const tcphdr argument, we can add more
const attributes to callers.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add support for reporting ring sizes via ethtool -g to the virtio_net
driver.
Signed-off-by: Rick Jones <rick.jones2@hp.com>
Acked-by: Rusty Russell <rusty@rustcorp.com.au>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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tcp_md5_hash_header() writes into skb header a temporary zero value,
this might confuse other users of this area.
Since tcphdr is small (20 bytes), copy it in a temporary variable and
make the change in the copy.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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* git://git.infradead.org/iommu-2.6:
intel-iommu: fix superpage support in pfn_to_dma_pte()
intel-iommu: set iommu_superpage on VM domains to lowest common denominator
intel-iommu: fix return value of iommu_unmap() API
MAINTAINERS: Update VT-d entry for drivers/pci -> drivers/iommu move
intel-iommu: Export a flag indicating that the IOMMU is used for iGFX.
intel-iommu: Workaround IOTLB hang on Ironlake GPU
intel-iommu: Fix AB-BA lockdep report
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* 'for-linus' of http://people.redhat.com/agk/git/linux-dm:
dm kcopyd: fix job_pool leak
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Commit 4b239f458 ("x86-64, mm: Put early page table high") causes a S4
regression since 2.6.39, namely the machine reboots occasionally at S4
resume. It doesn't happen always, overall rate is about 1/20. But,
like other bugs, once when this happens, it continues to happen.
This patch fixes the problem by essentially reverting the memory
assignment in the older way.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Cc: <stable@kernel.org>
Cc: Rafael J. Wysocki <rjw@sisk.pl>
Cc: Yinghai Lu <yinghai.lu@oracle.com>
[ We'll hopefully find the real fix, but that's too late for 3.1 now ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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into drm-core-next
* 'drm-intel-next' of git://people.freedesktop.org/~keithp/linux: (72 commits)
drm/i915/dp: Fix eDP on PCH DP on CPT/PPT
drm/i915/dp: Introduce is_cpu_edp()
drm/i915: use correct SPD type value
drm/i915: fix ILK+ infoframe support
drm/i915: add DP test request handling
drm/i915: read full receiver capability field during DP hot plug
drm/i915/dp: Remove eDP special cases from bandwidth checks
drm/i915/dp: Fix the math in intel_dp_link_required
drm/i915/panel: Always record the backlight level again (but cleverly)
i915: Move i915_read/write out of line
drm/i915: remove transcoder PLL mashing from mode_set per specs
drm/i915: if transcoder disable fails, say which
drm/i915: set watermarks for third pipe on IVB
drm/i915: export a CPT mode set verification function
drm/i915: fix transcoder PLL select masking
drm/i915: fix IVB cursor support
drm/i915: fix debug output for 3 pipe configs
drm/i915: add PLL sharing support to handle 3 pipes
drm/i915: fix PCH PLL assertion check for 3 pipes
drm/i915: use transcoder select bits on VGA and HDMI on CPT
...
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This patch removes the legacy usage of se_task->task_timer and associated
infrastructure that originally was used as a way to help manage buggy backend
SCSI LLDs that in certain cases would never return back an outstanding task.
This includes the removal of target_complete_timeout_work(), timeout logic
from transport_complete_task(), transport_task_timeout_handler(),
transport_start_task_timer(), the per device task_timeout configfs attribute,
and all task_timeout associated structure members and defines in
target_core_base.h
This is being removed in preparation to make transport_complete_task() run
in lock-less mode.
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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This patch converts target-core to use se_cmd->t_transport_sent instead of
a duplicated se_cmd->transport_sent member in a handful of locations.
It also updates iscsi_target to properly use ->t_transport_sent instead of
it's own iscsi_cmd_t->transport_sent value that was not being assigned.
Reported-by: Christoph Hellwig <hch@lst.de>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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If we only have a single task per command (which at least in my testing
is the by far most common case) we do not have to allocate a new per-task
S/G list but can reuse the one from the command.
(nab: Fix BIDI handling in transport_free_dev_tasks)
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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This patch fixes a bug for BIDI handling in transport_generic_new_cmd() where
cmd->t_task_cdbs_left and Co. where not taking into account the extra
task count generated during the first call to transport_allocate_data_tasks().
Cc: Christoph Hellwig <hch@lst.de>
Cc: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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