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net/if_inet6.h includes linux/ipv6.h which also tries to include
net/if_inet6.h. Since the latter only needs it for forward
declarations, we can fix this by adding the declarations.
A number of files are implicitly including net/if_inet6.h through
linux/ipv6.h. They also use net/ipv6.h so this patch includes
net/if_inet6.h there.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Now that netdev notifications can fail, we can use this to signal
errors during registration for IPv4/IPv6. In particular, if we
fail to allocate memory for the inet device, we can fail the netdev
registration.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds code to allow errors to be passed up from event
handlers of NETDEV_REGISTER and NETDEV_CHANGENAME. It also adds
the notifier_from_errno/notifier_to_errnor helpers to pass the
errno value up to the notifier caller.
If an error is detected when a device is registered, it causes
that operation to fail. A NETDEV_UNREGISTER will be sent to
all event handlers.
Similarly if NETDEV_CHANGENAME fails the original name is restored
and a new NETDEV_CHANGENAME event is sent.
As such all event handlers must be idempotent with respect to
these events.
When an event handler is registered NETDEV_REGISTER events are
sent for all devices currently registered. Should any of them
fail, we will send NETDEV_GOING_DOWN/NETDEV_DOWN/NETDEV_UNREGISTER
events to that handler for the devices which have already been
registered with it. The handler registration itself will fail.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Because IPv4 and IPv6 both depend on the presence of the loopback
device to function, failure in registration the loopback device should
be fatal.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When we added name-based hashing the dev_base_lock was designated as the
lock to take when changing the name hash list. Unfortunately, because
it was a preexisting lock that just happened to be taken in the right
spots we neglected to take it in dev_change_name.
The race can affect calles of __dev_get_by_name that do so without taking
the RTNL. They may end up walking down the wrong hash chain and end up
missing the device that they're looking for.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch makes register_netdevice call dev->uninit if the regsitration
fails after dev->init has completed successfully. Very few drivers use
the init/uninit calls but at least one (drivers/net/wan/sealevel.c) may
leak without this change.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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As a path that forwards packets, IPVS should be using
skb_forward_csum instead of directly setting ip_summed
to CHECKSUM_NONE.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Since nobody uses it after we convert it to host-endian,
no need to do that at all. At that point l2cap is endian-clean.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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l2cap_conf_req()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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no code changes, just documenting existing types
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We loop through psm values, calling __l2cap_get_sock_by_addr(psm, ...)
until we get NULL; then we set ->psm of our socket to htobs(psm).
IOW, we find unused psm value and put it into our socket. So far, so
good, but... __l2cap_get_sock_by_addr() compares its argument with
->psm of sockets. IOW, the entire thing works correctly only on
little-endian. On big-endian we'll get "no socket with such psm"
on the first iteration, since we won't find a socket with ->psm == 0x1001.
We will happily conclude that 0x1001 is unused and slap htobs(0x1001)
(i.e. 0x110) into ->psm of our socket. Of course, the next time around
the same thing will repeat and we'll just get a fsckload of sockets
with the same ->psm assigned.
Fix: pass htobs(psm) to __l2cap_get_sock_by_addr() there. All other
callers are already passing little-endian values and all places that
store something in ->psm are storing little-endian.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Adrian Bunk wrote:
> Commit 8de0a15483b357d0f0b821330ec84d1660cadc4e added the following
> use-after-free in net/bluetooth/rfcomm/tty.c:
>
> <-- snip -->
>
> ...
> static int rfcomm_dev_add(struct rfcomm_dev_req *req, struct rfcomm_dlc *dlc)
> {
> ...
> if (IS_ERR(dev->tty_dev)) {
> list_del(&dev->list);
> kfree(dev);
> return PTR_ERR(dev->tty_dev);
> }
> ...
>
> <-- snip -->
>
> Spotted by the Coverity checker.
really good catch. I fully overlooked that one. The attached patch
should fix it.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The ADVMSS value was incorrectly updated for ALL routes when the MTU
is updated because it's outside the effect of the if statement's
condition.
Signed-off-by: Simon Arlott <simon@fire.lp0.eu>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Al Viro pointed out that dma_memcpy_to_kernel_iovec() really was
unreachable and thus unused. The code originally was there to support
in-kernel dma needs, but since it remains unused, we'll pull it out.
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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if printbuf allocation or tipc_node_attach_link() fails, invalid
references to the link are left in the associated node and bearer
structures.
Fix by allocating printbuf early and moving timer initialization
and the addition of the new link to the b_ptr->links list after
tipc_node_attach_link() succeeded.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix kernel-doc omissions in net/:
Warning(linux-2.6.23-rc1//net/core/dev.c:2728): No description found for parameter 'addr'
Warning(linux-2.6.23-rc1//net/core/dev.c:2752): No description found for parameter 'addr'
Warning(linux-2.6.23-rc1//net/core/dev.c:3839): No description found for parameter 'net_dma'
Warning(linux-2.6.23-rc1//net/core/dev.c:3877): No description found for parameter 'state'
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Change HTCP to use measured RTT rather than smooth RTT.
Srtt is computed using the TCP receive timestamp
options, so it is vulnerable to hostile receivers. To avoid any problems
this might cause use the measured RTT instead.
Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Remove use of received timestamp option value from RTT calculation in Cubic.
A hostile receiver may be returning a larger timestamp option than the original
value. This would cause the sender to believe the malevolent receiver had
a larger RTT and because Cubic tries to provide some RTT friendliness, the
sender would then favor the liar.
Instead, use the jiffie resolutionRTT value already computed and
passed back after ack.
Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch changes the API for the callback that is done after an ACK is
received. It solves a couple of issues:
* Some congestion controls want higher resolution value of RTT
(controlled by TCP_CONG_RTT_SAMPLE flag). These don't really want a ktime, but
all compute a RTT in microseconds.
* Other congestion control could use RTT at jiffies resolution.
To keep API consistent the units should be the same for both cases, just the
resolution should change.
Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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* master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6.23:
sh: Fix fs.h removal from mm.h regressions.
sh: fix get_wchan() for SH kernels without framepointers
sh: arch/sh/boot - fix shell usage
rtc: rtc-sh: Correct sh_rtc_set_time() for some SH-3 parts.
sh: remove support for sh7300 and solution engine 7300
sh: Add sh to the CC_OPTIMIZE_FOR_SIZE dependencies.
sh: Kill off virt_to_bus()/bus_to_virt().
sh: sh-sci - fix SH7708 support
sh: Restrict DSP support to specific CPUs.
sh: Silence sq compile warning on sh4 nommu.
sh: Kill the rest of the SE73180 cruft.
sh: remove support for sh73180 and solution engine 73180
sh: remove old broken pint code
sh: Reclaim beginning of P3 space for vmalloc area.
sh: Fix Dreamcast DMA issues.
sh: Add kmap_coherent()/kunmap_coherent() interface for SH-4.
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* master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh64-2.6:
sh64: Kill off virt_to_bus()/bus_to_virt().
sh64: Fix irq_intc build failure.
sh64: Fix fs.h removal from mm.h regressions.
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Follows the SH change.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Needs interrupt.h:
CC arch/sh64/kernel/irq_intc.o
arch/sh64/kernel/irq_intc.c: In function 'make_intc_irq':
arch/sh64/kernel/irq_intc.c:179: error: implicit declaration of function 'disable_irq_nosync'
make[1]: *** [arch/sh64/kernel/irq_intc.o] Error 1
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6:
Fix a potential NULL pointer dereference in mace_interrupt() in drivers/net/pcmcia/nmclan_cs.c
PATCH kernel 2.6.22] PCMCIA-NETDEV : modify smc91c92_cs.c to become SMP safe
S2io: Increment received packet count correctly
S2io: Fix crash when resetting adapter
S2io: Mask spurious interrupts
S2IO: Implementing review comments from old patches
S2IO: Checking for the return value of pci map function
S2IO: Removing MSI support from driver
S2IO: Removing 3 buffer mode support from the driver
netxen: drop redudant spinlock
netxen: Fix interrupt handling for multiport adapters
netxen: re-init station address after h/w init
tulip: Remove tulip maintainer
forcedeth: mac address correct
gfar: Fix modpost warning
lib8390: comment on locking by Alan Cox
Fix a potential NULL pointer dereference in write_bulk_callback() in drivers/net/usb/pegasus.c
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git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
IB/ipath: Workaround problem of errormask register being overwritten
IB/ipath: Fix some issues with buffer cancel and sendctrl register update
IB/ipath: Use faster put_tid_2 routine after initialization
IB/ipath: Remove unsafe fastrcvint code from interrupt handler
IB/ehca: Move extern declarations from .c files to .h files
IB/mlx4: Whitespace fix
IB/ehca: Fix include order to better match kernel style
mlx4_core: Remove kfree() in mlx4_mr_alloc() error flow
RDMA/amso1100: Initialize the wait_queue_head_t in the c2_qp structure
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* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/driver-2.6:
modules: better error messages when modules fail to load due to a sysfs problem.
kobject: update documentation
kset: kernel-doc cleanups
driver core: revert "device" link creation check
stable_api_nonsense.txt: Disambiguate the use of "this" by using "that" to refer to the syscall interface
Fix Doc/sysfs-rules typos
kernel-doc fixes for PCI and drivers/base/
kobject: put kobject_actions in kobject.h
kobject: fix link error when CONFIG_HOTPLUG is disabled
HOWTO: sync Japanese HOWTO
HOWTO: adjust translation header of Japanese stable_api_nonsense.txt
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* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-2.6:
USB: "sparse" cleanups for usb gadgets
usb-serial: Fix edgeport regression on non-EPiC devices
USB: more pxa2xx_udc dead code removal
USB: NIKON D50 is an unusual device
USB: drivers/usb/serial/sierra.c: make 3 functions static
USB: fix BUG: sleeping function called from invalid context at /home/jeremy/hg/xen/paravirt/linux/drivers/usb/core/urb.c:524, in_atomic():1, irqs_disabled():0
USB: mct_u232: Convert to proper speed handling API
digi_acceleport: Drag the driver kicking and screaming into coding style
cp2101: Remove broken termios optimisation, use proper speed API
USB: Fix a bug in usb_start_wait_urb
USB: fix scatterlist PIO case (IOMMU)
USB: fix usb_serial_suspend(): buggy code
USB: yet another quirky device
USB: Add CanonScan LiDE30 to the quirk list
USB: even more quirks
USB: usb.h kernel-doc additions
USB: more quirky devices
USB: Don't let usb-storage steal Blackberry Pearl
USB: devices misc: Trivial patch to build the IOWARRIOR when it is selected in Kconfig
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This helps people when debugging problems like the ones that were in the
recent -mm releases.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Update kobject documentation:
- Update structure definitions.
- Remove documentation of removed struct subsystem.
(First shot, uevent_ops probably need some documentation as well.)
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Removed kernel-doc marker (/**) from struct kset -- each struct member
still needs annotation.
Corrected one parameter name so that kernel-doc matches the macro.
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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driver core: revert "device" link creation check
Commit 2ee97caf0a6602f749ddbfdb1449e383e1212707 introduced an extra
check on when to create the "device" symlink. Unfortunately, this
breaks input, so let's revert to the old behaviour.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Acked-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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refer to the syscall interface
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Fix typos only (spelling, grammar, duplicate words, etc.).
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Kay Sievers <kay.sievers@vrfy.org
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Fix undocumented function parameters in PCI and drivers/base.
Warning(linux-2.6.23-rc1//drivers/pci/pci.c:1526): No description found for parameter 'rq'
Warning(linux-2.6.23-rc1//drivers/base/firmware_class.c:245): No description found for parameter 'bin_attr'
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This prevents the extern declaration in the driver core.
Cc: Kay Sievers <kay.sievers@vrfy.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Leaving kobject_actions[] in kobject_uevent.c, but putting it outside
the #ifdef looks indeed like the best solution to me. This way, we
avoid adding #ifdef CONFIG_HOTPLUG into core.c, when all other
functions called do not need such a thing.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: Tsugikazu Shibata <tshibata@ab.jp.nec.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: IKEDA, Munehiro <m-ikeda@ds.jp.nec.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This removes complaints about the gadget stack which are generated by
the currrent "sparse": it doesn't like the fact that zero is the null
pointer. (Last I checked, C guarantees that's correct ...)
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Fix serious regression on non-EPiC edgeport usb-serial devices. Baud
rate and MCR/LCR registers are not being written on these models due
to apparent copy-n-paste errors introduced with EPiC support.
Failure reported by Nick Pasich <Nick@NickAndBarb.net>.
Signed-off-by: Adam Kropelin <akropel1@rochester.rr.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Remove some more dead code from the pxa2xx_udc driver: support
for a no-longer-undocumented hardware "test mode". Newer chips
made this the default, evidently as the best workaround for deep
silicon bugs. The interest was that this seemed to be the only
way to kick in the (documented!) double buffering capability.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This short patch allows NIKON D50 to be mounted as UMS[unusual device]
on Linux niam 2.6.22-rc7-cfs-v18 #2 PREEMPT Tue Jul 3 22:35:53 EEST
2007 i686 Intel(R) Celeron(R) M processor 1.50GHz GenuineIntel
GNU/Linux,
some previous kernels...
lsusb -v
Bus 001 Device 006: ID 04b0:0409 Nikon Corp.
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
idVendor 0x04b0 Nikon Corp.
idProduct 0x0409
bcdDevice 1.00
iManufacturer 1 NIKON
iProduct 2 NIKON DSC D50
iSerial 0
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 32
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0xc0
Self Powered
MaxPower 2mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 2
bInterfaceClass 8 Mass Storage
bInterfaceSubClass 6 SCSI
bInterfaceProtocol 80 Bulk (Zip)
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x01 EP 1 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x82 EP 2 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Device Qualifier (for other device speed):
bLength 10
bDescriptorType 6
bcdUSB 2.00
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
bNumConfigurations 1
Device Status: 0x0001
Self Powered
Signed-off-by: Milinevsky Dmitry <niam.niam@gmail.com>
Cc: Oliver Neukum <oliver@neukum.org>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: <caglar@pardus.org.tr>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch makes three needlessly global functions static.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Cc: Kevin Lloyd <linux@sierrawireless.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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/home/jeremy/hg/xen/paravirt/linux/drivers/usb/core/urb.c:524, in_atomic():1, irqs_disabled():0
Clearly there's a bug in
drivers/usb/serial/usb-serial.c:usb_serial_put(). It shouldn't call
kref_put() while holding a spinlock.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: Alan Cox <alan@redhat.com>
Acked-by: Pete Zaitcev <zaitcev@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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- The outbreak of acute bracketitus has been cured
- The belief that brackets should have spaces everywhere likewise
- Various other coding style tweaks
- Use baud rates not Bfoo in the speed setup switch
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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I've also enabled the commented out support for 7200, 14400, 55854,
127117 and 3686400 baud as you can now set such rates in the kernel.
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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