| Commit message (Collapse) | Author | Age |
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The USB console currently allocates a temporary fake tty which is used
to pass terminal settings to the underlying serial driver.
The tty struct is not fully initialised, something which can lead to a
lockdep warning (or worse) if a serial driver tries to acquire a
line-discipline reference:
usbserial: USB Serial support registered for pl2303
pl2303 1-2.1:1.0: pl2303 converter detected
usb 1-2.1: pl2303 converter now attached to ttyUSB0
INFO: trying to register non-static key.
the code is fine but needs lockdep annotation.
turning off the locking correctness validator.
CPU: 0 PID: 68 Comm: udevd Tainted: G W 3.18.0-rc5 #10
[<c0016f04>] (unwind_backtrace) from [<c0013978>] (show_stack+0x20/0x24)
[<c0013978>] (show_stack) from [<c0449794>] (dump_stack+0x24/0x28)
[<c0449794>] (dump_stack) from [<c006f730>] (__lock_acquire+0x1e50/0x2004)
[<c006f730>] (__lock_acquire) from [<c0070128>] (lock_acquire+0xe4/0x18c)
[<c0070128>] (lock_acquire) from [<c027c6f8>] (ldsem_down_read_trylock+0x78/0x90)
[<c027c6f8>] (ldsem_down_read_trylock) from [<c027a1cc>] (tty_ldisc_ref+0x24/0x58)
[<c027a1cc>] (tty_ldisc_ref) from [<c0340760>] (usb_serial_handle_dcd_change+0x48/0xe8)
[<c0340760>] (usb_serial_handle_dcd_change) from [<bf000484>] (pl2303_read_int_callback+0x210/0x220 [pl2303])
[<bf000484>] (pl2303_read_int_callback [pl2303]) from [<c031624c>] (__usb_hcd_giveback_urb+0x80/0x140)
[<c031624c>] (__usb_hcd_giveback_urb) from [<c0316fc0>] (usb_giveback_urb_bh+0x98/0xd4)
[<c0316fc0>] (usb_giveback_urb_bh) from [<c0042e44>] (tasklet_hi_action+0x9c/0x108)
[<c0042e44>] (tasklet_hi_action) from [<c0042380>] (__do_softirq+0x148/0x42c)
[<c0042380>] (__do_softirq) from [<c00429cc>] (irq_exit+0xd8/0x114)
[<c00429cc>] (irq_exit) from [<c007ae58>] (__handle_domain_irq+0x84/0xdc)
[<c007ae58>] (__handle_domain_irq) from [<c000879c>] (omap_intc_handle_irq+0xd8/0xe0)
[<c000879c>] (omap_intc_handle_irq) from [<c0014544>] (__irq_svc+0x44/0x7c)
Exception stack(0xdf4e7f08 to 0xdf4e7f50)
7f00: debc0b80 df4e7f5c 00000000 00000000 debc0b80 be8da96c
7f20: 00000000 00000128 c000fc84 df4e6000 00000000 df4e7f94 00000004 df4e7f50
7f40: c038ebc0 c038d74c 600f0013 ffffffff
[<c0014544>] (__irq_svc) from [<c038d74c>] (___sys_sendmsg.part.29+0x0/0x2e0)
[<c038d74c>] (___sys_sendmsg.part.29) from [<c038ec08>] (SyS_sendmsg+0x18/0x1c)
[<c038ec08>] (SyS_sendmsg) from [<c000fa00>] (ret_fast_syscall+0x0/0x48)
console [ttyUSB0] enabled
Fixes: 36697529b5bb ("tty: Replace ldisc locking with ldisc_sem")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
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As has been discussed in the thread starting with
https://lkml.kernel.org/g/549748e9.d+SiJzqu50f1r4lSAL043YSc@arcor.de
Sierra Wireless MC73xx devices with USB VID/PID 0x1199:0x68c0 require the
option_send_setup() code to be used on the USB interface for the AT port
to make unsolicited response codes work correctly. Move these devices from
the qcserial driver where they have been added by commit
70a3615fc07c2330ed7c1e922f3c44f4a67c0762 ("usb: qcserial: add Sierra Wireless
MC73xx") to the option driver and add a MC73xx-specific blacklist
to ensure that
1. the sendsetup code is not used for the DIAG/DM and NMEA interfaces
2. the option driver does not attach to the QMI/network interfaces
Signed-off-by: Reinhard Speyerer <rspmn@arcor.de>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
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Added virtual com port VID/PID entries for CEL USB sticks and MeshWorks
devices.
Signed-off-by: David Peterson <david.peterson@cel.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
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Fix null-pointer dereference during probe if the interface-status
completion handler is called before the individual ports have been set
up.
Fixes: f79b2d0fe81e ("USB: keyspan: fix NULL-pointer dereferences and
memory leaks")
Reported-by: Richard <richjunk@pacbell.net>
Tested-by: Richard <richjunk@pacbell.net>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
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Fixing typo for MeshConnect IDs. The original PID (0x8875) is not in
production and is not needed. Instead it has been changed to the
official production PID (0x8857).
Signed-off-by: Preston Fick <pffick@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-linus
Felipe writes:
usb: fixes for v3.19-rc5
Just three fixes this time. An oops fix in ep_write() from gadgetfs,
another oops for the Atmel UDC when unloading a gadget driver and
the fix for PHY deferred probing.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Conflicts:
drivers/usb/phy/phy.c
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When unloading the module 'g_hid.ko', the urb request will be dequeued and the
completion routine will be excuted. If there is no urb packet, the urb request
will not be added to the endpoint queue and the completion routine pointer in
urb request is NULL.
Accessing to this NULL function pointer will cause the Oops issue reported
below.
Add the code to check if the urb request is in the endpoint queue
or not. If the urb request is not in the endpoint queue, a negative
error code will be returned.
Here is the Oops log:
Unable to handle kernel NULL pointer dereference at virtual address 00000000
pgd = dedf0000
[00000000] *pgd=3ede5831, *pte=00000000, *ppte=00000000
Internal error: Oops: 80000007 [#1] ARM
Modules linked in: g_hid(-) usb_f_hid libcomposite
CPU: 0 PID: 923 Comm: rmmod Not tainted 3.18.0+ #2
Hardware name: Atmel SAMA5 (Device Tree)
task: df6b1100 ti: dedf6000 task.ti: dedf6000
PC is at 0x0
LR is at usb_gadget_giveback_request+0xc/0x10
pc : [<00000000>] lr : [<c02ace88>] psr: 60000093
sp : dedf7eb0 ip : df572634 fp : 00000000
r10: 00000000 r9 : df52e210 r8 : 60000013
r7 : df6a9858 r6 : df52e210 r5 : df6a9858 r4 : df572600
r3 : 00000000 r2 : ffffff98 r1 : df572600 r0 : df6a9868
Flags: nZCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment user
Control: 10c53c7d Table: 3edf0059 DAC: 00000015
Process rmmod (pid: 923, stack limit = 0xdedf6230)
Stack: (0xdedf7eb0 to 0xdedf8000)
7ea0: 00000000 c02adbbc df572580 deced608
7ec0: df572600 df6a9868 df572634 c02aed3c df577c00 c01b8608 00000000 df6be27c
7ee0: 00200200 00100100 bf0162f4 c000e544 dedf6000 00000000 00000000 bf010c00
7f00: bf0162cc bf00159c 00000000 df572980 df52e218 00000001 df5729b8 bf0031d0
[..]
[<c02ace88>] (usb_gadget_giveback_request) from [<c02adbbc>] (request_complete+0x64/0x88)
[<c02adbbc>] (request_complete) from [<c02aed3c>] (usba_ep_dequeue+0x70/0x128)
[<c02aed3c>] (usba_ep_dequeue) from [<bf010c00>] (hidg_unbind+0x50/0x7c [usb_f_hid])
[<bf010c00>] (hidg_unbind [usb_f_hid]) from [<bf00159c>] (remove_config.isra.6+0x98/0x9c [libcomposite])
[<bf00159c>] (remove_config.isra.6 [libcomposite]) from [<bf0031d0>] (__composite_unbind+0x34/0x98 [libcomposite])
[<bf0031d0>] (__composite_unbind [libcomposite]) from [<c02acee0>] (usb_gadget_remove_driver+0x50/0x78)
[<c02acee0>] (usb_gadget_remove_driver) from [<c02ad570>] (usb_gadget_unregister_driver+0x64/0x94)
[<c02ad570>] (usb_gadget_unregister_driver) from [<bf0160c0>] (hidg_cleanup+0x10/0x34 [g_hid])
[<bf0160c0>] (hidg_cleanup [g_hid]) from [<c0056748>] (SyS_delete_module+0x118/0x19c)
[<c0056748>] (SyS_delete_module) from [<c000e3c0>] (ret_fast_syscall+0x0/0x30)
Code: bad PC value
Signed-off-by: Songjun Wu <songjun.wu@atmel.com>
[nicolas.ferre@atmel.com: reworked the commit message]
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Fixes: 914a3f3b3754 ("USB: add atmel_usba_udc driver")
Cc: <stable@vger.kernel.org> # 2.6.x-ish
Signed-off-by: Felipe Balbi <balbi@ti.com>
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We try to free an ERR_PTR on this error path.
Fixes: b44be2462dbe ('usb: gadget: gadgetfs: Free memory allocated by memdup_user()')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Commit 1290a958d48e ("usb: phy: propagate __of_usb_find_phy()'s error on
failure") broke platforms that rely on deferred probing to order probing
of PHY and host controller drivers. The reason is that the commit simply
propagates errors from __of_usb_find_phy(), which returns -ENODEV if no
PHY has been registered yet for a given device tree node. The only case
in which -EPROBE_DEFER would now be returned is if try_module_get() did
fail, which does not make sense.
The correct thing to do is to return -EPROBE_DEFER if a PHY hasn't been
registered yet. The only condition under which it makes sense to return
-ENODEV is if the device tree node representing the PHY has been
disabled (via the status property) because in that case the PHY will
never be registered.
This patch addresses the problem by making __of_usb_find_phy() return an
appropriate error code while keeping in line with the above-mentioned
commit to propagate error codes rather than overwriting them. At the
same time the check for a valid PHY is decoupled from the check for the
try_module_get() call and a separate error code is returned if the
latter fails.
Fixes: 1290a95 (usb: phy: propagate __of_usb_find_phy()'s error on failure)
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Commit 1290a958d48e ("usb: phy: propagate __of_usb_find_phy()'s error on
failure") actually broke the deferred probing mechanism, since it now returns
EPROBE_DEFER only when the try_module_get call fails, but not when the phy
lookup does.
All the other similar functions seem to return ENODEV when try_module_get
fails, and the error code of either __usb_find_phy or __of_usb_find_phy
otherwise.
In order to have a consistent behaviour, and a meaningful EPROBE_DEFER, always
return EPROBE_DEFER when __(of_)usb_find_phy fails to look up the requested
phy, that will be propagated by the caller, and ENODEV if try_module_get fails.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Tested-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Commit 8dccddbc2368 ("OHCI: final fix for NVIDIA problems (I hope)")
introduced into 3.1.9 broke boot on e.g. Freescale P2020DS development
board. The code path that was previously specific to NVIDIA controllers
had then become taken for all chips.
However, the M5237 installed on the board wedges solid when accessing
its base+OHCI_FMINTERVAL register, making it impossible to boot any
kernel newer than 3.1.8 on this particular and apparently other similar
machines.
Don't readl() and writel() base+OHCI_FMINTERVAL on PCI ID 10b9:5237.
The patch is suitable for the -next tree as well as all maintained
kernels up to 3.2 inclusive.
Signed-off-by: Arseny Solokha <asolokha@kb.kras.ru>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable <stable@vger.kernel.org> # 3.2
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Just like all previous UAS capable Seagate disk enclosures, these need the
US_FL_NO_ATA_1X to not crash when udev probes them.
Cc: stable@vger.kernel.org # 3.16
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Our detection logic to avoid doing UAS on ASM1051 bridge chips causes problems
with newer ASM1153 disk enclosures in 2 ways:
1) Some ASM1153 disk enclosures re-use the ASM1051 device-id of 5106, which
we assume is always an ASM1051, so remove the quirk for 5106, and instead
use the same detection logic as we already use for device-id 55aa, which is
used for all of ASM1051, ASM1053 and ASM1153 devices <sigh>.
2) Our detection logic to differentiate between ASM1051 and ASM1053 sees
ASM1153 devices as ASM1051 because they have 32 streams like ASM1051 devs.
Luckily the ASM1153 descriptors are not 100% identical, unlike the previous
models the ASM1153 has bMaxPower == 0, so use that to differentiate it.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Coverity: CID 1260069
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Cc: Felipe Balbi <balbi@ti.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The commit 1290a958d48e ("usb: phy: propagate __of_usb_find_phy()'s error on
failure") changed the condition to return -EPROBE_DEFER to host driver.
Originally the Tegra host driver depended on the returned -EPROBE_DEFER to
get the phy device later when booting. Now we have to do that explicitly.
Signed-off-by: Vince Hsu <vinceh@nvidia.com>
Tested-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The Apricorn SATA dongle will occasionally return "USBSUSBSUSB" in
response to SCSI commands when running in UAS mode. Therefore,
disable UAS mode on this dongle.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Like the JMicron JMS567 enclosures with the JMS566 choke on report-opcodes,
so avoid it.
Tested-and-reported-by: Takeo Nakayama <javhera@gmx.com>
Cc: stable@vger.kernel.org # 3.16
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This is yet another Seagate device which needs the US_FL_NO_ATA_1X quirk
Reported-by: Marcin Zajączkowski <mszpak@wp.pl>
Cc: stable@vger.kernel.org # 3.16
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Streams do not work reliabe on Fresco Logic FL1000G xhci controllers,
trying to use them results in errors like this:
21:37:33 kernel: xhci_hcd 0000:04:00.0: ERROR Transfer event for disabled endpoint or incorrect stream ring
21:37:33 kernel: xhci_hcd 0000:04:00.0: @00000000368b3570 9067b000 00000000 05000000 01078001
21:37:33 kernel: xhci_hcd 0000:04:00.0: ERROR Transfer event for disabled endpoint or incorrect stream ring
21:37:33 kernel: xhci_hcd 0000:04:00.0: @00000000368b3580 9067b400 00000000 05000000 01038001
As always I've ordered a pci-e addon card with a Fresco Logic controller for
myself to see if I can come up with a better fix then the big hammer, in
the mean time this will make uas devices work again (in usb-storage mode)
for FL1000G users.
Reported-by: Marcin Zajączkowski <mszpak@wp.pl>
Cc: stable@vger.kernel.org # 3.15
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The USB stack uses error code -ENOSPC to indicate that the periodic
schedule is too full, with insufficient bandwidth to accommodate a new
allocation. It uses -EFBIG to indicate that an isochronous transfer
could not be linked into the schedule because it would exceed the
number of isochronous packets the host controller driver can handle
(generally because the new transfer would extend too far into the
future).
ehci-hcd uses the wrong error code at one point. This patch fixes it,
along with a misleading comment and debugging message.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Commit c3ee9b76aa93 (EHCI: improved logic for isochronous scheduling)
introduced the idea of using ehci->last_iso_frame as the origin (or
base) for the circular calculations involved in modifying the
isochronous schedule. However, the new code it added used
ehci->last_iso_frame before the value was properly initialized. This
patch rectifies the mistake by moving the initialization lines earlier
in iso_stream_schedule().
This fixes Bugzilla #72891.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Fixes: c3ee9b76aa93
Reported-by: Joe Bryant <tenminjoe@yahoo.com>
Tested-by: Joe Bryant <tenminjoe@yahoo.com>
Tested-by: Martin Long <martin@longhome.co.uk>
CC: <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Solves xhci error cases with debug messages:
xhci_hcd 0000:00:14.0: Setup ERROR: setup context command for slot 1.
usb 1-6: hub failed to enable device, error -22
xhci will give a context state error if we try to set a slot in default
state to the same default state with a special address device command.
Turns out this happends in several cases:
- retry reading the device rescriptor in hub_port_init()
- usb_reset_device() is called for a slot in default state
- in resume path, usb_port_resume() calls hub_port_init()
The default state is usually reached from most states with a reset device
command without any context state errors, but using the address device
command with BSA bit set (block set address) only works from the enabled
state and will otherwise cause context error.
solve this by checking if we are already in the default state before issuing
a address device BSA=1 command.
Fixes: 48fc7dbd52c0 ("usb: xhci: change enumeration scheme to 'new scheme'")
Cc: <stable@vger.kernel.org> # v3.14+
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This reverts commit 14b4099c074f2ddf4d84b22d370170e61b527529
It moved platform_set_drvdata(pdev, ci) before hcd is created,
and the hcd will assign itself as ci controller's drvdata during
the hcd creation function (in usb_create_shared_hcd), so it
overwrites the real ci's drvdata which we want to use.
So, if the controller is at host mode, the system suspend
API will get the wrong struct ci_hdrc pointer, and cause the
oops.
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux-phy into usb-linus
Kishon writes:
misc fixes in PHY drivers
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Prior to DRA74x silicon rev 1.1, pcie_pcs register bits 8-15 and bits 16-23
were used to configure RC delay count for phy1 and phy2 respectively.
phyid was used as index to distinguish the phys and to configure the delay
values appropriately.
As of DRA74x silicon rev 1.1, pcie_pcs register definition has changed.
Bits 16-23 are used to configure delay values for *both* phy1 and phy2.
Hence phyid is no longer required.
So, drop id field from ti_pipe3 structure and its subsequent references
for configuring pcie_pcs register.
Also, pcie_pcs register now needs to be configured with delay value of 0x96
at bit positions 16-23. See register description of CTRL_CORE_PCIE_PCS in
ARM572x TRM, SPRUHZ6, October 2014, section 18.5.2.2, table 18-1804.
This is needed to ensure Gen2 cards are enumerated consistently.
DRA72x silicon behaves same way as DRA74x rev 1.1 as far as this functionality
is considered.
Test results on DRA74x and DRA72x EVMs:
Before patch
------------
DRA74x ES 1.0: Gen1 cards work, Gen2 cards do not work (expected result due to
silicon errata)
DRA74x ES 1.1: Gen1 cards work, Gen2 cards do not work sometimes due to incorrect
programming of register
DRA72x: Gen1 cards work, Gen2 cards do not work sometimes due to incorrect
programming of register
After patch
-----------
DRA74x ES 1.0: Gen1 cards work, Gen2 cards do not work (expected result due to
silicon errata)
DRA74x ES 1.1: Gen1 cards work, Gen2 cards work consistently.
DRA72x: Gen1 and Gen2 cards enumerate consistently.
Signed-off-by: Vignesh R <vigneshr@ti.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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The allwinner SDK uses a value of 3 for the disconnect threshold setting on
sun6i, do the same in the kernel.
In my previous experience with sun5i problems getting the threshold right
is important to avoid usb2 devices being unplugged sometimes going unnoticed.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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We need to unlock before returning the -EINVAL here.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Gabriel Fernandez <gabriel.fernandez@linaro.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-linus
Felipe writes:
usb: fixes for v3.19-rc2
First set of fixes for current -rc cycle. There are
a couple of build break fixes after Tony Lindgren's
recent MUSB patchset, some memory leak fixes also
with MUSB, a use-after-free fix with the UAC1
function. Atmel UDC got a fix for a possible hang
and another for DMA setting, while dwc2 learned to
kill requests in ->udc_stop() which fixes a few leaks
too.
One new device support here, dwc3 now supports Intel's
Sunrise Point.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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When receive data, the RXRDY in status register set by hardware
after a new packet has been stored in the endpoint FIFO. When it
is copied from FIFO, this bit is cleared which make the FIFO can
be accessed again.
In the receive_data() function, this bit RXRDY has been cleared.
So, after the receive_data() function return, this bit should
not be cleared again, or else it may cause the accessing FIFO
corrupt, which will make the data loss.
Fixes: 914a3f3b3754 (USB: add atmel_usba_udc driver)
Cc: <stable@vger.kernel.org> # 2.6.24+
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Bo Shen <voice.shen@atmel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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According to the datasheet, when transfer using DMA, the control
setting for IN packet only need END_BUF_EN, END_BUF_IE, CH_EN,
while for OUT packet, need more two bits END_TR_EN and END_TR_IE
to be configured.
Fixes: 914a3f3b3754 (USB: add atmel_usba_udc driver)
Cc: <stable@vger.kernel.org> # 2.6.24+
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Bo Shen <voice.shen@atmel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Add PCI IDs for Intel Sunrise Point PCH.
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Commit 3b74c73f8d6f053f422e85fce955b61fb181cfe7 switched over to memdup_user()
in ep_write() function and removed kfree (kbuf).
memdup_user() function allocates memory which is never freed.
Fixes: 3b74c73 (usb: gadget: inode: switch over to memdup_user())
Cc: <stable@vger.kernel.org> # v3.15+
Signed-off-by: Mario Schuknecht <mario.schuknecht@dresearch-fe.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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since the split of host+gadget mode in commit 74c2e9360058 ("usb: musb:
factor out hcd initalization") we leak the usb_hcd struct. We call now
musb_host_cleanup() which does basically usb_remove_hcd() and also sets
the hcd variable to NULL. Doing so makes the finall call to
musb_host_free() basically a nop and the usb_hcd remains around for ever
without anowner.
This patch drops that NULL assignment for that reason.
Fixes: 74c2e9360058 ("usb: musb: factor out hcd initalization")
Cc: <stable@vger.kernel.org> # v3.11+
Cc: Daniel Mack <zonque@gmail.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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This makes us sure that all requests are completed before we unbind
gadget. There are assumptions in gadget API that all requests have to
be completed and leak of complete can break some usb function drivers.
For example unbind of ECM function can cause NULL pointer dereference:
[ 26.396595] configfs-gadget gadget: unbind function
'cdc_ethernet'/e79c4c00
[ 26.414999] Unable to handle kernel NULL pointer dereference at
virtual address 00000000
(...)
[ 26.452223] PC is at ecm_unbind+0x6c/0x9c
[ 26.456209] LR is at ecm_unbind+0x68/0x9c
(...)
[ 26.603696] [<c033fdb4>] (ecm_unbind) from [<c033661c>]
(purge_configs_funcs+0x94/0xd8)
[ 26.611674] [<c033661c>] (purge_configs_funcs) from [<c0336674>]
(configfs_composite_unbind+0x14/0x34)
[ 26.620961] [<c0336674>] (configfs_composite_unbind) from
[<c0337124>] (usb_gadget_remove_driver+0x68/0x9c)
[ 26.630683] [<c0337124>] (usb_gadget_remove_driver) from [<c03376c8>]
(usb_gadget_unregister_driver+0x64/0x94)
[ 26.640664] [<c03376c8>] (usb_gadget_unregister_driver) from
[<c0336be8>] (unregister_gadget+0x20/0x3c)
[ 26.650038] [<c0336be8>] (unregister_gadget) from [<c0336c84>]
(gadget_dev_desc_UDC_store+0x80/0xb8)
[ 26.659152] [<c0336c84>] (gadget_dev_desc_UDC_store) from
[<c0335120>] (gadget_info_attr_store+0x1c/0x28)
[ 26.668703] [<c0335120>] (gadget_info_attr_store) from [<c012135c>]
(configfs_write_file+0xe8/0x148)
[ 26.677818] [<c012135c>] (configfs_write_file) from [<c00c8dd4>]
(vfs_write+0xb0/0x1a0)
[ 26.685801] [<c00c8dd4>] (vfs_write) from [<c00c91b8>]
(SyS_write+0x44/0x84)
[ 26.692834] [<c00c91b8>] (SyS_write) from [<c000e560>]
(ret_fast_syscall+0x0/0x30)
[ 26.700381] Code: e30409f8 e34c0069 eb07b88d e59430a8 (e5930000)
[ 26.706485] ---[ end trace f62a082b323838a2 ]---
It's because in some cases request is still running on endpoint during
unbind and kill_all_requests() called from s3c_hsotg_udc_stop() function
doesn't cause call of complete() of request. Missing complete() call
causes ecm->notify_req equals NULL in ecm_unbind() function, and this
is reason of this bug.
Similar breaks can be observed in another usb function drivers.
This patch fixes this bug forcing usb request completion in when
s3c_hsotg_ep_disable() is called from s3c_hsotg_udc_stop().
Acked-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Replace a misspelled function name by %s and then __func__.
This was done using Coccinelle, including the use of Levenshtein distance,
as proposed by Rasmus Villemoes.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Commit 82c02f58ba3a ("usb: musb: Allow multiple glue layers to be
built in") enabled selecting multiple glue layers, which in turn
exposed things more for randconfig builds. If NOP_USB_XCEIV is
built-in and TUSB6010 is a loadable module, we will get:
drivers/built-in.o: In function `tusb_remove':
tusb6010.c:(.text+0x16a817): undefined reference to `usb_phy_generic_unregister'
drivers/built-in.o: In function `tusb_probe':
tusb6010.c:(.text+0x16b24e): undefined reference to `usb_phy_generic_register'
make: *** [vmlinux] Error 1
Let's fix this the same way as commit 70c1ff4b3c86 ("usb: musb:
tusb-dma can't be built-in if tusb is not").
And while at it, let's not allow selecting the glue layers except
on platforms really using them unless COMPILE_TEST is specified:
- TUSB6010 is in practise only used on omaps
- DSPS is only used on TI platforms
- UX500 is only used on STE platforms
Cc: Linus Walleij <linus.walleij@linaro.org>
Reported-by: Jim Davis <jim.epost@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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At f_audio_free_inst, it tries to access struct gaudio *card which is
freed at f_audio_free, it causes below oops if the audio device is not
there (do unload module may trigger the same problem). The gaudio_cleanup
is related to function, so it is better move to f_audio_free.
root@freescale ~$ modprobe g_audio
[ 751.968931] g_audio gadget: unable to open sound control device file: /dev/snd/controlC0
[ 751.977134] g_audio gadget: we need at least one control device
[ 751.988633] Unable to handle kernel paging request at virtual address 455f448e
[ 751.995963] pgd = bd42c000
[ 751.998681] [455f448e] *pgd=00000000
[ 752.002383] Internal error: Oops: 5 [#1] SMP ARM
[ 752.007008] Modules linked in: usb_f_uac1 g_audio(+) usb_f_mass_storage libcomposite configfs [last unloaded: g_mass_storage]
[ 752.018427] CPU: 0 PID: 692 Comm: modprobe Not tainted 3.18.0-rc4-00345-g842f57b #10
[ 752.026176] task: bdb3ba80 ti: bd41a000 task.ti: bd41a000
[ 752.031590] PC is at filp_close+0xc/0x84
[ 752.035530] LR is at gaudio_cleanup+0x28/0x54 [usb_f_uac1]
[ 752.041023] pc : [<800ec94c>] lr : [<7f03c63c>] psr: 20000013
[ 752.041023] sp : bd41bcc8 ip : bd41bce8 fp : bd41bce4
[ 752.052504] r10: 7f036234 r9 : 7f036220 r8 : 7f036500
[ 752.057732] r7 : bd456480 r6 : 7f036500 r5 : 7f03626c r4 : bd441000
[ 752.064264] r3 : 7f03b3dc r2 : 7f03cab0 r1 : 00000000 r0 : 455f4456
[ 752.070798] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
[ 752.077938] Control: 10c5387d Table: bd42c04a DAC: 00000015
[ 752.083688] Process modprobe (pid: 692, stack limit = 0xbd41a240)
[ 752.089786] Stack: (0xbd41bcc8 to 0xbd41c000)
[ 752.094152] bcc0: 7f03b3dc bd441000 7f03626c 7f036500 bd41bcfc bd41bce8
[ 752.102337] bce0: 7f03c63c 800ec94c 7f03b3dc bdaa6b00 bd41bd14 bd41bd00 7f03b3f4 7f03c620
[ 752.110521] bd00: 7f03b3dc 7f03cbd4 bd41bd2c bd41bd18 7f00f88c 7f03b3e8 00000000 fffffffe
[ 752.118705] bd20: bd41bd5c bd41bd30 7f0380d8 7f00f874 7f038000 bd456480 7f036364 be392240
[ 752.126889] bd40: 00000000 7f00f620 7f00f638 bd41a008 bd41bd94 bd41bd60 7f00f6d4 7f03800c
[ 752.135073] bd60: 00000001 00000000 8047438c be3a4000 7f036364 7f036364 7f00db28 7f00f620
[ 752.143257] bd80: 7f00f638 bd41a008 bd41bdb4 bd41bd98 804742ac 7f00f644 00000000 809adde0
[ 752.151442] bda0: 7f036364 7f036364 bd41bdcc bd41bdb8 804743c8 80474284 7f03633c 7f036200
[ 752.159626] bdc0: bd41bdf4 bd41bdd0 7f00d5b4 8047435c bd41a000 80974060 7f038158 00000000
[ 752.167811] bde0: 80974060 bdaa9940 bd41be04 bd41bdf8 7f03816c 7f00d518 bd41be8c bd41be08
[ 752.175995] be00: 80008a5c 7f038164 be001f00 7f0363c4 bd41bf48 00000000 bd41be54 bd41be28
[ 752.184179] be20: 800e9498 800e8e74 00000002 00000003 bd4129c0 c0a07000 00000001 7f0363c4
[ 752.192363] be40: bd41bf48 00000000 bd41be74 bd41be58 800de780 800e9320 bd41a000 7f0363d0
[ 752.200547] be60: 00000000 bd41a000 7f0363d0 00000000 bd41beec 7f0363c4 bd41bf48 00000000
[ 752.208731] be80: bd41bf44 bd41be90 80093e54 800089e0 ffff8000 00007fff 80091390 0000065f
[ 752.216915] bea0: 00000000 c0a0834c bd41bf7c 00000086 bd41bf50 00000000 7f03651c 00000086
[ 752.225099] bec0: bd41a010 00c28758 800ddcc4 800ddae0 000000d2 bd412a00 bd41bf24 00000000
[ 752.233283] bee0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 752.241467] bf00: 00000000 00000000 00000000 00000000 00000000 00000000 bd41bf44 000025b0
[ 752.249651] bf20: 00c28a08 00c28758 00000080 8000edc4 bd41a000 00000000 bd41bfa4 bd41bf48
[ 752.257835] bf40: 800943e4 800932ec c0a07000 000025b0 c0a07f8c c0a07ea4 c0a08e5c 0000051c
[ 752.266019] bf60: 0000088c 00000000 00000000 00000000 00000018 00000019 00000010 0000000b
[ 752.274203] bf80: 00000009 00000000 00000000 000025b0 00000000 00c28758 00000000 bd41bfa8
[ 752.282387] bfa0: 8000ec00 8009430c 000025b0 00000000 00c28a08 000025b0 00c28758 00c28980
[ 752.290571] bfc0: 000025b0 00000000 00c28758 00000080 000a6a78 00000007 00c28718 00c28980
[ 752.298756] bfe0: 7ebc1af0 7ebc1ae0 0001a32c 76e9c490 60000010 00c28a08 22013510 ecebffff
[ 752.306933] Backtrace:
[ 752.309414] [<800ec940>] (filp_close) from [<7f03c63c>] (gaudio_cleanup+0x28/0x54 [usb_f_uac1])
[ 752.318115] r6:7f036500 r5:7f03626c r4:bd441000 r3:7f03b3dc
[ 752.323851] [<7f03c614>] (gaudio_cleanup [usb_f_uac1]) from [<7f03b3f4>] (f_audio_free_inst+0x18/0x68 [usb_f_uac1])
[ 752.334288] r4:bdaa6b00 r3:7f03b3dc
[ 752.337931] [<7f03b3dc>] (f_audio_free_inst [usb_f_uac1]) from [<7f00f88c>] (usb_put_function_instance+0x24/0x30 [libcomposite])
[ 752.349498] r4:7f03cbd4 r3:7f03b3dc
[ 752.353127] [<7f00f868>] (usb_put_function_instance [libcomposite]) from [<7f0380d8>] (audio_bind+0xd8/0xfc [g_audio])
[ 752.363824] r4:fffffffe r3:00000000
[ 752.367456] [<7f038000>] (audio_bind [g_audio]) from [<7f00f6d4>] (composite_bind+0x9c/0x1e8 [libcomposite])
[ 752.377284] r10:bd41a008 r9:7f00f638 r8:7f00f620 r7:00000000 r6:be392240 r5:7f036364
[ 752.385193] r4:bd456480 r3:7f038000
[ 752.388825] [<7f00f638>] (composite_bind [libcomposite]) from [<804742ac>] (udc_bind_to_driver+0x34/0xd8)
[ 752.398394] r10:bd41a008 r9:7f00f638 r8:7f00f620 r7:7f00db28 r6:7f036364 r5:7f036364
[ 752.406302] r4:be3a4000
[ 752.408860] [<80474278>] (udc_bind_to_driver) from [<804743c8>] (usb_gadget_probe_driver+0x78/0xa8)
[ 752.417908] r6:7f036364 r5:7f036364 r4:809adde0 r3:00000000
[ 752.423649] [<80474350>] (usb_gadget_probe_driver) from [<7f00d5b4>] (usb_composite_probe+0xa8/0xd4 [libcomposite])
[ 752.434086] r5:7f036200 r4:7f03633c
[ 752.437713] [<7f00d50c>] (usb_composite_probe [libcomposite]) from [<7f03816c>] (audio_driver_init+0x14/0x1c [g_audio])
[ 752.448498] r9:bdaa9940 r8:80974060 r7:00000000 r6:7f038158 r5:80974060 r4:bd41a000
[ 752.456330] [<7f038158>] (audio_driver_init [g_audio]) from [<80008a5c>] (do_one_initcall+0x88/0x1d4)
[ 752.465564] [<800089d4>] (do_one_initcall) from [<80093e54>] (load_module+0xb74/0x1020)
[ 752.473571] r10:00000000 r9:bd41bf48 r8:7f0363c4 r7:bd41beec r6:00000000 r5:7f0363d0
[ 752.481478] r4:bd41a000
[ 752.484037] [<800932e0>] (load_module) from [<800943e4>] (SyS_init_module+0xe4/0xf8)
[ 752.491781] r10:00000000 r9:bd41a000 r8:8000edc4 r7:00000080 r6:00c28758 r5:00c28a08
[ 752.499689] r4:000025b0
[ 752.502252] [<80094300>] (SyS_init_module) from [<8000ec00>] (ret_fast_syscall+0x0/0x48)
[ 752.510345] r6:00c28758 r5:00000000 r4:000025b0
[ 752.515013] Code: 808475b4 e1a0c00d e92dd878 e24cb004 (e5904038)
[ 752.521223] ---[ end trace 70babe34de4ab99b ]---
Segmentation fault
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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!strncmp(buf, "force host", 9) is true if and only if buf starts with
"force hos". This was obviously not what was intended. The same error
exists for "force full-speed", "force high-speed" and "test
packet". Using strstarts avoids the error-prone hardcoding of the
prefix length.
For consistency, also change the other occurences of the !strncmp
idiom.
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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commit cc92f681 (usb: musb: Populate new IO
functions for blackfin) added a typo which
prevented MUSB's blackfin glue layer from being
built. Due to lack of tests and compilers for
that architecture, the typo ended up being
merged and causing a build regression.
Fix that here
Cc: Tony Lindgren <tony@atomide.com>
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Blackfin's MUSB implementation lacks a bunch of
registers which they end up not defining a macro
for. In order to avoid build breaks, let's ifdef
out some of the registers from our regdump debugfs
utility so that we don't try to use those on
Blackfin builds.
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
- Wire up compat_sys_execveat for compat (AArch32) tasks
- Revert 421520ba9829, as this breaks our side of the boot protocol
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: partially revert "ARM: 8167/1: extend the reserved memory for initrd to be page aligned"
arm64: compat: wire up compat_sys_execveat
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to be page aligned"
This patch partially reverts commit 421520ba98290a73b35b7644e877a48f18e06004
(only the arm64 part). There is no guarantee that the boot-loader places other
images like dtb in a different page than initrd start/end, especially when the
kernel is built with 64KB pages. When this happens, such pages must not be
freed. The free_reserved_area() already takes care of rounding up "start" and
rounding down "end" to avoid freeing partially used pages.
Cc: <stable@vger.kernel.org> # 3.17+
Reported-by: Peter Maydell <Peter.Maydell@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
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With 841ee230253f ("ARM: wire up execveat syscall"), arch/arm/ has grown
support for the execveat system call.
This patch wires up the compat variant for arm64.
Signed-off-by: Will Deacon <will.deacon@arm.com>
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Pull NFS client bugfixes from Trond Myklebust:
"Highlights include:
- Stable fix for a NFSv3/lockd race
- Fixes for several NFSv4.1 client id trunking bugs
- Remove an incorrect test when checking for delegated opens"
* tag 'nfs-for-3.19-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
NFSv4: Remove incorrect check in can_open_delegated()
NFS: Ignore transport protocol when detecting server trunking
NFSv4/v4.1: Verify the client owner id during trunking detection
NFSv4: Cache the NFSv4/v4.1 client owner_id in the struct nfs_client
NFSv4.1: Fix client id trunking on Linux
LOCKD: Fix a race when initialising nlmsvc_timeout
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Remove an incorrect check for NFS_DELEGATION_NEED_RECLAIM in
can_open_delegated(). We are allowed to cache opens even in
a situation where we're doing reboot recovery.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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Detect server trunking across transport protocols. Otherwise, an
RDMA mount and a TCP mount of the same server will end up with
separate nfs_clients using the same clientid4.
Reported-by: Dai Ngo <dai.ngo@oracle.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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While we normally expect the NFSv4 client to always send the same client
owner to all servers, there are a couple of situations where that is not
the case:
1) In NFSv4.0, switching between use of '-omigration' and not will cause
the kernel to switch between using the non-uniform and uniform client
strings.
2) In NFSv4.1, or NFSv4.0 when using uniform client strings, if the
uniquifier string is suddenly changed.
This patch will catch those situations by checking the client owner id
in the trunking detection code, and will do the right thing if it notices
that the strings differ.
Cc: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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Ensure that we cache the NFSv4/v4.1 client owner_id so that we can
verify it when we're doing trunking detection.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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Currently, our trunking code will check for session trunking, but will
fail to detect client id trunking. This is a problem, because it means
that the client will fail to recognise that the two connections represent
shared state, even if they do not permit a shared session.
By removing the check for the server minor id, and only checking the
major id, we will end up doing the right thing in both cases: we close
down the new nfs_client and fall back to using the existing one.
Fixes: 05f4c350ee02e ("NFS: Discover NFSv4 server trunking when mounting")
Cc: Chuck Lever <chuck.lever@oracle.com>
Cc: stable@vger.kernel.org # 3.7.x
Tested-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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This commit fixes a race whereby nlmclnt_init() first starts the lockd
daemon, and then calls nlm_bind_host() with the expectation that
nlmsvc_timeout has already been initialised. Unfortunately, there is no
no synchronisation between lockd() and lockd_up() to guarantee that this
is the case.
Fix is to move the initialisation of nlmsvc_timeout into lockd_create_svc
Fixes: 9a1b6bf818e74 ("LOCKD: Don't call utsname()->nodename...")
Cc: Bruce Fields <bfields@fieldses.org>
Cc: stable@vger.kernel.org # 3.10.x
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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