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there's code unclean w.r.t. endianness in the mos7720 driver.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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NULL checks should be before the first dereference.
Spotted by the Coverity checker.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Am Montag, 19. 2007 10:25 schrieb Adrian Bunk:
> The Coverity checker spotted the following NULL dereference:
And this fixes an oops upon allocation failures.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Fix sparse NULL warnings:
drivers/usb/net/dm9601.c:88:23: warning: Using plain integer as NULL pointer
drivers/usb/net/dm9601.c:174:22: warning: Using plain integer as NULL pointer
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: Richard Knutsson <ricknu-0@student.ltu.se>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This fixes:
- breaking DMA rules about buffers
- usage of _global_ variables to save a single device's attributes
- racy access to urb->status
- smp monotonity issue with statistics
- use of one buffer for many simultaneous URBs
- error handling introduced
- several instances of following NULL pointers
- use after free
- unnecessary GFP_ATOMIC
- GFP_KERNEL in interrupt
- various cleanups
- write room granularity issue that bit cdc-acm
- race in shutdown
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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io_edgeport is using a global variable without locking.
This is _the_ classical race condition. This patch switches to atomic_t.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch (as870) adds a delay to ehci-hcd's bus_resume routine.
Apparently there are controllers and/or BIOSes out there which need
such a delay to get the ports back into their correct state. This
fixes Bugzilla #8190.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch (as867) adds an entry for the new power/autosuspend
attribute in Documentation/ABI/testing, and it changes the behavior of
the delay value. Now a delay of 0 means to autosuspend as soon as
possible, and negative values will prevent autosuspend.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch (as866) adds new entry points for external USB device
suspend and resume requests, as opposed to internally-generated
autosuspend or autoresume. It also changes the existing
remote-wakeup code paths to use the new routines, since remote wakeup
is not the same as autoresume.
As part of the change, it turns out to be necessary to do remote
wakeup of root hubs from a workqueue. We had been using khubd, but it
does autoresume rather than an external resume. Using the
ksuspend_usb_wq workqueue for this purpose seemed a logical choice.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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this driver's help text incorrectly claims to support only single port
devices.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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this driver has an interesting way of handling ENOMEM: complain and ignore.
If you decide to live with allocation failures, you must
1. guard against URBs without corresponding buffers
2. complete allocation failures
3. always test entries for NULL before you follow the pointers
This patch does so.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Correct the offsets of the SI_CTRL, PRI_CTRL registers according to
the Reference Manual errata sheet in order to prevent unwanted
settings regarding burst transactions and priority states.
Signed-off-by: Christian Engelmayer <Christian.Engelmayer@frequentis.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch (as865) fixes a race in the HCD removal code discovered by
Milan Plzik. Arrival of an interrupt after the root hub was
unregistered could cause the root-hub status timer to start up, even
after it was supposed to have been shut down. The problem is fixed by
moving the del_timer_sync() call to after the HCD's stop() method, at
which time IRQ generation should be disabled.
Cc: Milan Plzik <milan.plzik@gmail.com>
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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I've acquired a second device for testing and plan to make some changes in
the near future to export all the device stats to sysfs (based on my
proposed patch to add them to the proc file ~2007-01-30).
Signed-off-by: Simon Arlott <simon@fire.lp0.eu>
Acked-by: Duncan Sands <baldrick@free.fr>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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When the device is polled for status there is a lot of useful status
information available that is ignored. This patch stores the device info
array when the status is polled and adds sysfs files to the usb device to
allow userspace to query it. Since the device updates its status
internally once a second the poll time is changed to this, and
round_jiffies_relative is used to avoid waking the cpu unnecessarily.
Signed-off-by: Simon Arlott <simon@fire.lp0.eu>
Cc: Duncan Sands <duncan.sands@free.fr>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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There is currently no path from the ATM device in /sys to the USB device's
interface that the driver is using; this patch creates a "device" symlink. It
is then possible to get to the cxacru ADSL statistics
(http://lkml.org/lkml/2007/2/23/328):
/sys/class/atm/cxacru0/device $ ls *_rate *_margin *_attenuation
downstream_attenuation downstream_snr_margin upstream_rate
downstream_rate upstream_attenuation upstream_snr_margin
If this link is not appropriate I'd have to create device files in
/sys/class/atm/cxacru0 instead - which seems less appropriate since the ADSL
statistics are for the USB device not ATM (which is running over the ADSL).
[akpm@linux-foundation.org: cleanups]
Signed-off-by: Simon Arlott <simon@fire.lp0.eu>
Cc: Duncan Sands <duncan.sands@math.u-psud.fr>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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GFP_KERNEL will do.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch (as864) moves the work routine for USB autosuspend from one
source file to another. This permits the removal of one whole global
symbol (!) and should smooth the way for more changes in the future.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Someone changed the code to kthread and used his style instead of mine.
The problem with the block variables is that they provoke shadowing,
which is actually exactly what has happened in my other tree which
has the class patch.
Signed-off-by: Pete Zaitcev <zaitcev@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The usb-storage switched to binding to first endpoint recently. Apparently,
there are devices out there with extra endpoints. It is perfectly legal.
Signed-off-by: Pete Zaitcev <zaitcev@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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this patch exports the attributes cdc-acm knows about a device through sysfs.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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this adds another structure for CDC devices to cdc.h.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch adds a new text API, codenamed '1u', which captures more URB
fields than old '1t' interface did. Also the '1u' text API is compatible
with the future "bus zero" extension.
Signed-off-by: Pete Zaitcev <zaitcev@redhat.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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this patch removes usage of BKL from usblcd, which got it from the old
skeleton driver.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Iet's kill BKL where we can. This is relative to the last patch to the
skeleton driver.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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compilation of the skeleton driver is currently broken. It doesn't compile.
So while I am it:
- fix typo
- add comments to answer common questions
- actually allow autosuspend in the driver struct
- increase paralellism by restricting code under locks
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch changes last use of hardcoded number of irq to
use platfrom_get_irq.
Signed-off-by: Milan Svoboda <msvoboda@ra.rockwell.com>
Acked-by: David Brownell <david-b@pacbell.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Make the pxa2xx_udc driver fetch its IRQ from platform resources
rather than using compile-time constants, so that it works properly
on IXP4xx systems not just PXA21x/25x/26x.
Other updates:
- Do that using platform_get_irq()
- Switch to platform_driver_probe()
- Handle device_add() errors
- Remove "function" sysfs attribute and its potential errors
- Whitespace cleanups
Signed-off-by: Milan Svoboda <msvoboda@ra.rockwell.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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I write a patch adding support "SHARP EMONE(S01SH)" device for ipaq.c.
EMONE is a PDA with built-in HSDPA function.
From: Norihiko Tomiyama <norihiko.tomiyama@ctc-g.co.jp>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/driver-2.6: (46 commits)
dev_dbg: check dev_dbg() arguments
drivers/base/attribute_container.c: use mutex instead of binary semaphore
mod_sysfs_setup() doesn't return errno when kobject_add_dir() failure occurs
s2ram: add arch irq disable/enable hooks
define platform wakeup hook, use in pci_enable_wake()
security: prevent permission checking of file removal via sysfs_remove_group()
device_schedule_callback() needs a module reference
s390: cio: Delay uevents for subchannels
sysfs: bin.c printk fix
Driver core: use mutex instead of semaphore in DMA pool handler
driver core: bus_add_driver should return an error if no bus
debugfs: Add debugfs_create_u64()
the overdue removal of the mount/umount uevents
kobject: Comment and warning fixes to kobject.c
Driver core: warn when userspace writes to the uevent file in a non-supported way
Driver core: make uevent-environment available in uevent-file
kobject core: remove rwsem from struct subsystem
qeth: Remove usage of subsys.rwsem
PHY: remove rwsem use from phy core
IEEE1394: remove rwsem use from ieee1394 core
...
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Convert radio-maestro to use video_ioctl2
Signed-off-by: Douglas Schilling Landgraf <dougsland@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Convert radio-gemtek-pci to use video_ioctl2
Signed-off-by: Douglas Schilling Landgraf <dougsland@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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- the tuner i2c addr now without define (as wanted).
- now 7 bit addr are used (the power_ctrl fkt ist ok so,
because this is a raw write)
- the addr >> 1 , addr << 1 is ok so, i think beause the
read write is now taken from the last bit.
- now i have no datasheet for the device, all taken from usb-logs
Signed-off-by: Marco Gittler <g.marco@freenet.de>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Remove warnings
Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
Acked-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Convert radio-gemtek to use video_ioctl2
Signed-off-by: Douglas Schilling Landgraf <dougsland@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Convert radio-aimslab to use video_ioctl2
Signed-off-by: Douglas Schilling Landgraf <dougsland@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Convert radio-typhoon to use video_ioctl2
Signed-off-by: Douglas Schilling Landgraf <dougsland@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Convert radio-sf16fmi to use video_ioctl2
Signed-off-by: Douglas Schilling Landgraf <dougsland@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Convert radio-sf16fmr2 to use video_ioctl2
Signed-off-by: Douglas Schilling Landgraf <dougsland@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Set the length of the v4l2 buffer to the length of the mapped memory.
This should fix the problem with amsn.
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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This patch add support for the VIDIOC_ENUM_FRAMESIZES and
VIDIOC_ENUM_FRAMEINTERVALS ioctl.
* check if the maximum native framesize for raw mode is correct
* raw mode framerates for all three chipset types
Signed-off-by: Gregor Jasny <gjasny@web.de>
Signed-off-by: Luc Saillard <luc@saillard.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Convert radio-terratec to use video_ioctl2
Signed-off-by: Douglas Schilling Landgraf <dougsland@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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If the video device (saa7146 on a FF card) was open for capturing,
the close call didn't release the capture buffers.
Signed-off-by: Hartmut Birr <e9hack@gmail.com>
Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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V1.0 card
Make the inversion setting configurable. The KNC ONE V1.0 uses
non inverted setting for the inversion and add the KNC ONE V1.0 card.
Signed-off-by: Hartmut Birr <e9hack@googlemail.com>
Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Add support for the frontend TDA10023 and add cards that need the
tda10023.
Signed-off-by: Hartmut Birr <e9hack@googlemail.com>
Signed-off-by: Georg Acher <acher@in.tum.de>
Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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