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* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6:
tty_port,usb-console: Fix usb serial console open/close regression
tty: cpm_uart: use resource_size()
tty_buffer: Fix distinct type warning
hvc_console: Fix race between hvc_close and hvc_remove
uartlite: Fix build on sparc.
tty: Take a 256 byte padding into account when buffering below sub-page units
Revert "tty: Add a new VT mode which is like VT_PROCESS but doesn't require a VT_RELDISP ioctl call"
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This patch removes a double usb_control_msg that sets the cp210x
configuration registers a second time when calling cp210x_set_config.
For data sizes >2 the second write gets corrupted.
The patch has been created against 2.6.34-rc1, but all cp210x driver
revisions are affected.
Signed-off-by: Michael Brunner <mibru@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The change_speed() function should be serialized against multiple calls.
Use the cfg_lock mutex to do this.
Signed-off-by: Alessio Igor Bogani <abogani@texware.it>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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0xff
Signed-off-by: spark <spark@bandrich.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The module is called qcaux and not moto_modem. Also use help instead of
---help-- to be in sync with the other Kconfig entries.
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: Nathaniel McCallum <nathaniel@natemccallum.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: Nathaniel McCallum <nathaniel@natemccallum.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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MAXON->CMOTECH
Signed-off-by: Nathaniel McCallum <nathaniel@natemccallum.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This is a patch to ftdi_sio_ids.h and ftdi_sio.c that adds identifiers for
CONTEC USB serial converter. I tested it with the device COM-1(USB)H
[akpm@linux-foundation.org: keep the VIDs sorted a bit]
Signed-off-by: Daniel Sangorrin <daniel.sangorrin@gmail.com>
Cc: Andreas Mohr <andi@lisas.de>
Cc: Radek Liboska <liboska@uochb.cas.cz>
Cc: stable <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch adds various USB device IDs for Gobi 2000 devices, as found in the
drivers available at https://www.codeaurora.org/wiki/GOBI_Releases
Signed-off-by: Bernhard Rosenkraenzer <bero@arklinux.org>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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I found a DLink DWM 652 U5 USB 3G modem has product ID 0xce1e instead
of orignal 0xce16. The new ID is added.
And I found there are two entries for 0xce16, one has raw number, the
other has symbol DLINK_PRODUCT_DWM_652_U5. This is fixed too.
Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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It is possible to have a multi-port device with a port lacking an in or
out bulk endpoint. Only checking for num_bulk_in or num_bulk_out is thus not
sufficient to determine whether a specific port has an in or out bulk
endpoint.
This fixes potential null pointer dereferences in the generic open and
write routines, as well as access to uninitialised fifo in write_room
and chars_in_buffer.
Also let write fail with ENODEV (instead of 0) on missing out endpoint
(also on zero-length writes).
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Make sure usb_serial_port_softint is called on errors also when using
multi urb writes.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Resubmitting read urb fails with -EPERM if completion handler runs while
urb is being killed on close. This should not be reported as an error.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Commit e1108a63e10d344284011cccc06328b2cd3e5da3 ("usb_serial: Use the
shutdown() operation") breaks the ability to use a usb console
starting in 2.6.33. This was observed when using
console=ttyUSB0,115200 as a boot argument with an FTDI device. The
error is:
ftdi_sio ttyUSB0: ftdi_submit_read_urb - failed submitting read urb, error -22
The handling of the ASYNCB_INITIALIZED changed in 2.6.32 such that in
tty_port_shutdown() it always clears the flag if it is set. The fix
is to add a variable to the tty_port struct to indicate when the tty
port is a console.
CC: Alan Cox <alan@linux.intel.com>
CC: Alan Stern <stern@rowland.harvard.edu>
CC: Oliver Neukum <oliver@neukum.org>
CC: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Conflicts:
Documentation/filesystems/proc.txt
arch/arm/mach-u300/include/mach/debug-macro.S
drivers/net/qlge/qlge_ethtool.c
drivers/net/qlge/qlge_main.c
drivers/net/typhoon.c
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* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (220 commits)
USB: backlight, appledisplay: fix incomplete registration failure handling
USB: pl2303: remove unnecessary reset of usb_device in urbs
USB: ftdi_sio: remove obsolete check in unthrottle
USB: ftdi_sio: remove unused tx_bytes counter
USB: qcaux: driver for auxiliary serial ports on Qualcomm devices
USB: pl2303: initial TIOCGSERIAL support
USB: option: add Longcheer/Longsung vendor ID
USB: fix I2C API usage in ohci-pnx4008.
USB: usbmon: mask seconds properly in text API
USB: sisusbvga: no unnecessary GFP_ATOMIC
USB: storage: onetouch: unnecessary GFP_ATOMIC
USB: serial: ftdi: add CONTEC vendor and product id
USB: remove references to port->port.count from the serial drivers
USB: tty: Prune uses of tty_request_room in the USB layer
USB: tty: Add a function to insert a string of characters with the same flag
USB: don't read past config->interface[] if usb_control_msg() fails in usb_reset_configuration()
USB: tty: kill request_room for USB ACM class
USB: tty: sort out the request_room handling for whiteheat
USB: storage: fix misplaced parenthesis
USB: vstusb.c: removal of driver for Vernier Software & Technology, Inc., devices and spectrometers
...
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URBs are initialised at probe and do not change.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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No need to check ASYNCB_INITIALIZED anymore as commit
e1108a63e10d344284011cccc06328b2cd3e5da3 (usb_serial: Use the shutdown()
operation) make sure that there is no longer any call to unthrottle
after device specific close (in which the read urb is killed).
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Remove counter that is never exported.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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qcaux: add driver for QCDM-capable ports on various devices
Many Qualcomm-based devices provide a CDC-ACM port which accepts
normal AT commands and PPP connections. But they only provide one
which makes status or signal strength requests impossible while
PPP is active. They also provide secondary USB interfaces that
talk the Qualcomm Diagnostic Monitor (QCDM) protocol which can be
used for status and strength. Make those QCDM ports accessible.
Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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I've got a trivial patch for the pl2303 driver, that's what I needed to
make the wacom serial tablet driver work properly. It uses the
TIOCGSERIAL ioctl to determine if it's talking to a serial device or
not, which I gather is rather common, but the pl2303 driver didn't
implement that ioctl.
Here's a patch, I'm not sure it's absolutely correct, I mostly looked at
other similar usbserial drivers to see what I must do, but it works for
me.
Signed-off-by: John Tsiombikas <nuclear@member.fsf.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Longcheer is a Chinese company that manufactures the devices which a
bunch of different companies like Alcatel, 4G Systems, and Mobidata
rebrand. While I can't find Longcheer's USB ID registered anywhere,
it's pretty clear the ID is theirs.
Signed-off-by: Dan Williams <dcbw@redhat.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This is a patch to ftdi_sio_ids.h and ftdi_sio.c that adds
identifiers for CONTEC USB serial converter. I tested it
with the device COM-1(USB)H
Signed-off-by: Daniel Sangorrin <daniel.sangorrin@gmail.com>
Cc: Andreas Mohr <andi@lisas.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch (as1344) removes references to port->port.count from the
USB serial drivers. Now that serial ports are properly reference
counted, port.count checking is unnecessary and incorrect. Drivers
should assume that the port is in use from the time the open method
runs until the close method is called.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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We have lots of callers that do not need to do this in the first place.
Remove the calls as they both cost CPU and for big buffers can mess up the
multi-page allocation avoidance.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This driver has its own (surplus) backup queue system which wants removing
from the receive overflow logic.
Do this at the same time as removing the request_room logic
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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A crash has been reported with sierra driver on disconnect with
Ubuntu/Lucid distribution based on kernel-2.6.32.
The cause of the crash was determined as "NULL tty pointer was being
referenced" and the NULL pointer was passed by sierra_indat_callback().
This patch modifies sierra_indat_callback() function to check for NULL
tty structure pointer. This modification prevents a crash from happening
when the device is disconnected.
This patch fixes the bug reported in Launchpad:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/511157
Signed-off-by: Elina Pasheva <epasheva@sierrawireless.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch adds a new function to the sierra.c driver, sierra_reset_resume().
This new function completes the suite of Dynamic Power Management commands
in the sierra.c driver.
Signed-off-by: Elina Pasheva <epasheva@sierrawireless.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
drivers/usb/serial/sierra.c | 30 ++++++++++++++++++++----------
1 file changed, 20 insertions(+), 10 deletions(-)
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We are now refcounted and all the port.count checking is no longer valid
and in fact produces false warnings.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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As reported in
http://bugzilla.kernel.org/show_bug.cgi?id=10980
Signed-off-by: Alan Cox <alan@linux.intel.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Reduces string space a bit
Neaten a macro redefine of dbg
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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#define dbg adds the newline, messages shouldn't.
Converted dbg("%s", "some string") to dbg("some string")
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Add support for USB serial interface provided by ViVOtech ViVOpay devices via
new driver vivopay-serial. Currently only the ViVOpay 8800 device is supported,
but support for similar devices can be added by adding the appropriate device
IDs to the driver.
Signed-off-by: Forest Bond <forest.bond@outpostembedded.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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PID patch for my products
Signed-off-by: Mitchell Solomon <mitchjs@rush2112.net>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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As Alan Cox have pinpointed the driver still required protection against
parallels calls to the config ioctl(). If lock is still necessary the use of
BKL is abused here. So replace BKL with a more convenient mutex.
Signed-off-by: Alessio Igor Bogani <abogani@texware.it>
Cc: Greg Kroah-Hartman <gregkh@suse.de>
Cc: Johan Hovold <jhovold@gmail.com>
Cc: Alan Cox <alan@linux.intel.com>
Cc: Daniel Mack <daniel@caiaq.de>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Add support for the serial port on devices based on the MosChip 7715,
which provides a serial and parallel port on a single usb interface.
This is added to the existing driver for the Moschip 7720 dual serial
port device. The 7715 is very similiar to the 7720, requiring only the
addition of a calc_num_ports() function, a separate interrupt-in
endpoint callback, and some manipulation of the port pointers added to
the attach() function to correct the fact that the usbserial core
erroneously assigns the first bulk in/out endpoint pair to the serial
port (the 7715 uses these for its parallel port). There is no support
for the 7715's parallel port yet.
Signed-off-by: Mike Dunn <mikedunn@newsguy.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Johan Hovold points out that get_string() is basically just a
re-implimentation of usb_string(). It is also buggy. It does DMA on
the stack and it doesn't handle negative returns from
usb_get_descriptor(). Plus unicode_to_ascii() is a rubbish function and
moving to usb_string() avoids using it.
Let's eliminate get_string() entirely.
Reported-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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- correct spelling
- correct non-tabbed .tiocmget/.tiocmset entries
Signed-off-by: Andreas Mohr <andi@lisas.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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- correct spelling/whitespace in ftdi_sio.h and ftdi_sio_ids.h
Signed-off-by: Andreas Mohr <andi@lisas.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The variables priv and portdata are initialized twice to the same (side
effect-free) expressions. Drop one initialization in each case.
A simplified version of the semantic match that finds this problem is:
(http://coccinelle.lip6.fr/)
// <smpl>
@forall@
idexpression *x;
identifier f!=ERR_PTR;
@@
x = f(...)
... when != x
(
x = f(...,<+...x...+>,...)
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* x = f(...)
)
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The 4G XS Stick W14 seems to not understand RTS/DTR setting in
option_send_setup causing long timeouts on any open() which disturbs a
lot of well-known userspace applications like minicom or ModemManager.
Therefore, we enable OPTION_BLACKLIST_SENDSETUP blacklisting for it.
Signed-off-by: Gernot Hillier <gernot@hillier.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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handling
As suggested by Matthias Urlichs, this patch adds a somehow generic
mechanism for special handling of devices which don't support all bits
expected by this driver.
The blacklisting code is heavily stolen from sierra.c, but extended to
support different special cases.
For now, one case is implemented (OPTION_BLACKLIST_SENDSETUP), targeted
at the 4G W14 device: devices which don't understand the setting of
RTS/DTR in option_send_setup() causing a USB timeout of 5 s in any
userspace open() which leads to errors in most userspace applications.
In addition, I prepared another case for devices with interfaces which
shall not be accessed by this driver (targeted at the D-Link DWM 652).
However, OPTION_BLACKLIST_RESERVED_IF is not fully implemented yet as I
have no device to test this. Anyone volunteering to help here? If not,
I'll contact the guys who added D-Link DWM 652 support soon.
Signed-off-by: Gernot Hillier <gernot@hillier.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Carsten Juttner thankfully investigated a bit and found out some details
about the chipset used in the 4G W14 device I recently added to
option.c.
I think this information is useful for reference, so I'd be happy if you
could include those bits.
Signed-off-by: Gernot Hillier <gernot@hillier.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The id_table field of the struct usb_device_id is constant in <linux/usb.h>
so it is worth to make the initialization data also constant.
The semantic match that finds this kind of pattern is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@r@
disable decl_init,const_decl_init;
identifier I1, I2, x;
@@
struct I1 {
...
const struct I2 *x;
...
};
@s@
identifier r.I1, y;
identifier r.x, E;
@@
struct I1 y = {
.x = E,
};
@c@
identifier r.I2;
identifier s.E;
@@
const struct I2 E[] = ... ;
@depends on !c@
identifier r.I2;
identifier s.E;
@@
+ const
struct I2 E[] = ...;
// </smpl>
Signed-off-by: Németh Márton <nm127@freemail.hu>
Cc: Julia Lawall <julia@diku.dk>
Cc: cocci@diku.dk
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Cc: Lonnie Mendez <dignome@gmail.com>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The original code was passing a stack variable as a dma buffer, so I
made it an allocated variable. Instead of adding a bunch of kfree()
calls, I changed all the error return paths to gotos.
Also I noticed that the error checking wasn't correct because
usb_get_descriptor() can return negative values.
While I was at it, I made an unrelated white space change by moving
the unicode_to_ascii() on to one line.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Cc: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Kill string that is allocated and generated using speed and parity
settings but is never used (and never has been).
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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