Bind to the interface, but do not register any ports, after having
downloaded the firmware. The device will still disconnect and
re-enumerate, but this way we avoid an error messages from being logged
as part of the process:
io_ti: probe of 1-1.3:1.0 failed with error -5
Signed-off-by: Johan Hovold <johan@kernel.org>
Cancel the heartbeat work on driver unbind in order to avoid I/O after
disconnect in case the port is held open.
Note that the cancel in release() is still needed to stop the heartbeat
after late probe errors.
Fixes: 26c78daade ("USB: io_ti: Add heartbeat to keep idle EP/416
ports from disconnecting")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
In case a device is left in "boot-mode" we must not register any port
devices in order to avoid a NULL-pointer dereference on open due to
missing endpoints. This could be used by a malicious device to trigger
an OOPS:
Unable to handle kernel NULL pointer dereference at virtual address 00000030
...
[<bf0caa84>] (edge_open [io_ti]) from [<bf0b0118>] (serial_port_activate+0x68/0x98 [usbserial])
[<bf0b0118>] (serial_port_activate [usbserial]) from [<c0470ca4>] (tty_port_open+0x9c/0xe8)
[<c0470ca4>] (tty_port_open) from [<bf0b0da0>] (serial_open+0x48/0x6c [usbserial])
[<bf0b0da0>] (serial_open [usbserial]) from [<c0469178>] (tty_open+0xcc/0x5cc)
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Fix NULL-pointer dereference when clearing halt at open should a
malicious device lack the expected endpoints when in download mode.
Unable to handle kernel NULL pointer dereference at virtual address 00000030
...
[<bf011ed8>] (edge_open [io_ti]) from [<bf000118>] (serial_port_activate+0x68/0x98 [usbserial])
[<bf000118>] (serial_port_activate [usbserial]) from [<c0470ca4>] (tty_port_open+0x9c/0xe8)
[<c0470ca4>] (tty_port_open) from [<bf000da0>] (serial_open+0x48/0x6c [usbserial])
[<bf000da0>] (serial_open [usbserial]) from [<c0469178>] (tty_open+0xcc/0x5cc)
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Fix NULL-pointer dereference when initialising URBs at open should a
non-EPIC device lack a bulk-in or interrupt-in endpoint.
Unable to handle kernel NULL pointer dereference at virtual address 00000028
...
PC is at edge_open+0x24c/0x3e8 [io_edgeport]
Note that the EPIC-device probe path has the required sanity checks so
this makes those checks partially redundant.
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Make sure to free the URB transfer buffer in case submission fails (e.g.
due to a disconnect).
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Fix NULL-pointer dereference when clearing halt at open should the device
lack a bulk-out endpoint.
Unable to handle kernel NULL pointer dereference at virtual address 00000030
...
PC is at cyberjack_open+0x40/0x9c [cyberjack]
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
With gcc 4.1.2:
drivers/usb/serial/f81534.c: In function ‘f81534_port_probe’:
drivers/usb/serial/f81534.c:1250: warning: comparison is always false due to limited range of data type
f81534_logic_to_phy_port() may return a negative error value, which is
ignored by assigning it to u8 f81534_port_private.phy_num.
Use an intermediate variable of type int to fix this.
While at it, forward the actual error code instead of converting it to
-ENODEV, and drop the useless check for F81534_NUM_PORT, as the callee
always returns a valid port number in case of success.
Fixes: 0c9bd6004d ("USB: serial: add Fintek F81532/534 driver")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
This patch adds support for PIDs 0x1040, 0x1041 of Telit LE922A.
Since the interface positions are the same than the ones used
for other Telit compositions, previous defined blacklists are used.
Signed-off-by: Daniele Palmas <dnlplm@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
These updates include a new driver for Fintek F8153x devices, support
for the GPIO functionality on CP2105 devices, and improved support for
CH34X devices.
Included are also some clean ups and fixes for various minor issues.
Signed-off-by: Johan Hovold <johan@kernel.org>
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Merge tag 'usb-serial-4.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-next
Johan writes:
USB-serial updates for v4.10-rc1
These updates include a new driver for Fintek F8153x devices, support
for the GPIO functionality on CP2105 devices, and improved support for
CH34X devices.
Included are also some clean ups and fixes for various minor issues.
Signed-off-by: Johan Hovold <johan@kernel.org>
Function klsi_105_open() calls usb_control_msg() (to "enable read") and
checks its return value. When the return value is unexpected, it only
assigns the error code to the return variable retval, but does not
terminate the exception path. This patch fixes the bug by inserting
"goto err_generic_close;" when the call to usb_control_msg() fails.
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Pan Bian <bianpan2016@163.com>
[johan: rebase on prerequisite fix and amend commit message]
Signed-off-by: Johan Hovold <johan@kernel.org>
Kill urbs and disable read before returning from open on failure to
retrieve the line state.
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
On sparc32, tcflag_t is unsigned long, unlike all other architectures:
drivers/usb/serial/cp210x.c: In function 'cp210x_get_termios':
drivers/usb/serial/cp210x.c:717:3: warning: passing argument 2 of 'cp210x_get_termios_port' from incompatible pointer type
cp210x_get_termios_port(tty->driver_data,
^
drivers/usb/serial/cp210x.c:35:13: note: expected 'unsigned int *' but argument is of type 'tcflag_t *'
static void cp210x_get_termios_port(struct usb_serial_port *port,
^
Consistently use tcflag_t to fix this.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
The BRIM Brothers Zone DPMX is a bicycle powermeter. This ID is for the USB
serial interface in its charging dock for the control pods, via which some
settings for the pods can be modified.
Signed-off-by: Paul Jakma <paul@jakma.org>
Cc: Barry Redmond <barry@brimbrothers.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Drop invalid user-pointer checks from ioctl handlers.
A NULL-pointer can be valid in user space and copy_to_user() takes care
of sanity checking.
Signed-off-by: Johan Hovold <johan@kernel.org>
This patch adds support for the TI CC3200 LaunchPad board, which uses a
custom USB vendor ID and product ID. Channel A is used for JTAG, and
channel B is used for a UART.
Signed-off-by: Doug Brown <doug@schmorgal.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Will probably be helpful if there are any more compatibility issues.
Signed-off-by: Aidan Thornton <makosoft@gmail.com>
Reviewed-by: Grigori Goronzy <greg@chown.ath.cx>
Signed-off-by: Johan Hovold <johan@kernel.org>
With the new reinitialization method, configuring parity, different
frame lengths and different stop bit settings should work as expected
on both CH340G and CH341A. Tested on a loopback-connected CH340G
with a logic analyzer in a number of different configurations.
Based on a patch by Grigori Goronzy
Signed-off-by: Aidan Thornton <makosoft@gmail.com>
Reviewed-by: Grigori Goronzy <greg@chown.ath.cx>
Signed-off-by: Johan Hovold <johan@kernel.org>
Changing the LCR register after initialization does not seem to be reliable
on all chips (particularly not on CH341A). Restructure initialization and
configuration to always reinit the chip on configuration changes instead and
pass the LCR register value directly to the initialization command.
(Note that baud rates above 500kbaud are incorrect, but they're incorrect in
the same way both before and after this patch at least on the CH340G. Fixing
this isn't a priority as higher baud rates don't seem that reliable anyway.)
Cleaned-up version of a patch by Grigori Goronzy
Signed-off-by: Aidan Thornton <makosoft@gmail.com>
Reviewed-by: Grigori Goronzy <greg@chown.ath.cx>
Signed-off-by: Johan Hovold <johan@kernel.org>
No functional changes, this just gives names to some registers and USB
requests based on Grigori Goronzy's work and WinChipTech's Linux driver
(which reassuringly agree), then uses them in place of magic numbers.
This also renames the misnamed BREAK2 register (actually UART config)
Signed-off-by: Aidan Thornton <makosoft@gmail.com>
Reviewed-by: Grigori Goronzy <greg@chown.ath.cx>
Signed-off-by: Johan Hovold <johan@kernel.org>
This patch adds support for the GPIO found on the CP2105. Unlike the GPIO
provided by some of the other devices supported by the cp210x driver, the
GPIO on the CP2015 is muxed on pins otherwise used for serial control
lines. The GPIO have been configured in 2 separate banks as the choice to
configure the pins for GPIO is made separately for pins shared with each
of the 2 serial ports this device provides, though the choice is made for
all pins associated with that port in one go. The choice of whether to use
the pins for GPIO or serial is made by adding configuration to a one-time
programable PROM in the chip and can not be changed at runtime. The device
defaults to GPIO.
This device supports either push-pull or open-drain modes, it doesn't
provide an explicit input mode, though the state of the GPIO can be read
when used in open-drain mode. Like with pin use, the mode is configured in
the one-time programable PROM and can't be changed at runtime.
Signed-off-by: Martyn Welch <martyn.welch@collabora.co.uk>
Signed-off-by: Johan Hovold <johan@kernel.org>
Return -EIO on short control transfers rather than -EPROTO which is used
for lower-level transfer errors.
Signed-off-by: Johan Hovold <johan@kernel.org>
Make sure we have at least one port before attempting to register a
console.
Currently, at least one driver binds to a "dummy" interface and requests
zero ports for it. Should such an interface also lack endpoints, we get
a NULL-deref during probe.
Fixes: e5b1e2062e ("USB: serial: make minor allocation dynamic")
Cc: stable <stable@vger.kernel.org> # 3.11
Signed-off-by: Johan Hovold <johan@kernel.org>
The current tiocmget implementation would fail to report errors up the
stack and instead leaked a few bits from the stack as a mask of
modem-status flags.
Fixes: 39a66b8d22 ("[PATCH] USB: CP2101 Add support for flow control")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
This adds support to ftdi_sio for the Infineon TriBoard TC2X7
engineering board for first-generation Aurix SoCs with Tricore CPUs.
Mere addition of the device IDs does the job.
Signed-off-by: Stefan Tauner <stefan.tauner@technikum-wien.at>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
More clean ups, including a second set of changes from Mathieu as part
of a major overhaul of the ti_usb_3410_5052 driver.
Signed-off-by: Johan Hovold <johan@kernel.org>
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Merge tag 'usb-serial-4.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-next
Johan writes:
USB-serial updates for v4.9-rc1
More clean ups, including a second set of changes from Mathieu as part
of a major overhaul of the ti_usb_3410_5052 driver.
Signed-off-by: Johan Hovold <johan@kernel.org>
This patch adds support for Infineon flashloader 0x8087/0x0801.
The flashloader is used in Telit LE940B modem family with Telit
flashing application.
Signed-off-by: Daniele Palmas <dnlplm@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
These product IDs are listed in Windows driver.
0x6803 corresponds to WeTelecom WM-D300.
0x6802 name is unknown.
Signed-off-by: Aleksandr Makarov <aleksandr.o.makarov@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Remove variables affected but never read.
Also drop the now unused TI_SET_SERIAL_FLAGS define.
Signed-off-by: Mathieu OTHACEHE <m.othacehe@gmail.com>
[ johan: drop TI_SET_SERIAL_FLAGS ]
Signed-off-by: Johan Hovold <johan@kernel.org>
Use C_X tty.h macros to avoid direct manipulation of termios
c_cflag variable.
Signed-off-by: Mathieu OTHACEHE <m.othacehe@gmail.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
It is useless to check the return of usb_get_serial_port_data in the tty
and tty-port callbacks.
No need to check interface private data in close() either.
Signed-off-by: Mathieu OTHACEHE <m.othacehe@gmail.com>
[ johan: amend commit message ]
Signed-off-by: Johan Hovold <johan@kernel.org>
__uX types should only be used for user-space interactions.
Also clean up uart-config endianess handling, and drop some redundant
casts.
Signed-off-by: Mathieu OTHACEHE <m.othacehe@gmail.com>
[ johan: amend commit message ]
Signed-off-by: Johan Hovold <johan@kernel.org>
The IS_ENABLED() macro checks if a Kconfig symbol has been enabled either
built-in or as a module, use that macro instead of open coding the same.
Using the macro makes the code more readable by helping abstract away some
of the Kconfig built-in and module enable details.
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
There is an allocation with GFP_KERNEL flag in mos7840_write(),
while it may be called from interrupt context.
Follow-up for commit 1912528376 ("USB: kobil_sct: fix non-atomic
allocation in write path")
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
There is an allocation with GFP_KERNEL flag in mos7720_write(),
while it may be called from interrupt context.
Follow-up for commit 1912528376 ("USB: kobil_sct: fix non-atomic
allocation in write path")
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
udriver struct allocated by kzalloc() will not be freed
if usb_register() and next calls fail. This patch fixes this
by adding one more step with kfree(udriver) in error path.
Signed-off-by: Alexey Klimov <klimov.linux@gmail.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
This patch adds a set of compositions for Telit LE920A4.
Compositions in short are:
0x1207: tty + tty
0x1208: tty + adb + tty + tty
0x1211: tty + adb + ecm
0x1212: tty + adb
0x1213: ecm + tty
0x1214: tty + adb + ecm + tty
telit_le922_blacklist_usbcfg3 is reused for compositions 0x1211
and 0x1214 due to the same interfaces positions.
Signed-off-by: Daniele Palmas <dnlplm@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
BCM20706V2_EVAL is a WICED dev board designed with FT2232H USB 2.0
UART/FIFO IC.
To support BCM920706V2_EVAL dev board for WICED development on Linux.
Add the VID(0a5c) and PID(6422) to ftdi_sio driver to allow loading
ftdi_sio for this board.
Signed-off-by: Sheng-Hui J. Chu <s.jeffrey.chu@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Ivium Technologies uses the FTDI VID with custom PIDs for their line of
electrochemical interfaces and the PalmSens they developed for PalmSens
BV.
Signed-off-by: Robert Delien <robert@delien.nl>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
The device has four interfaces; the three serial ports ought to be
handled by this driver:
00 Diagnostic interface serial port
01 NMEA device serial port
02 Mass storage (sd card)
03 Modem serial port
The other product ids listed in the Windows driver are present already.
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
This patch turns status in a variable read once from the URB.
The long term plan is to deliver status to the callback.
In addition it makes the code a bit more elegant.
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
This patch adds support for 0x1206 PID of Telit LE910.
Since the interfaces positions are the same than the ones for
0x1043 PID of Telit LE922, telit_le922_blacklist_usbcfg3 is used.
Signed-off-by: Daniele Palmas <dnlplm@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Use kmemdup when some other buffer is immediately copied into allocated
region. It replaces call to allocation followed by memcpy, by a single
call to kmemdup.
Signed-off-by: Muhammad Falak R Wani <falakreyaz@gmail.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Functions are preferable to macros resembling functions.
Signed-off-by: Mathieu OTHACEHE <m.othacehe@gmail.com>
[johan: drop inline keyword, move above calling function ]
Signed-off-by: Johan Hovold <johan@kernel.org>
The definitions in ti_usb_3410_5052.h are only used in
ti_usb_3410_5052.c.
The content of the header is copied in ti_usb_3410_5052.c.
Also correct a typo in macro TI_PIPE_MODE_CONTINOUS.
Signed-off-by: Mathieu OTHACEHE <m.othacehe@gmail.com>
[johan: actually remove the header file ]
Signed-off-by: Johan Hovold <johan@kernel.org>
__packed is preferred over __attribute__((packed)) for portability.
Signed-off-by: Mathieu OTHACEHE <m.othacehe@gmail.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Remove lines commenting the obvious.
Remove vi related comment.
Signed-off-by: Mathieu OTHACEHE <m.othacehe@gmail.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
parport subsystem has introduced parport_del_port() to delete a port
when it is going away. Without parport_del_port() the registered port
will not be unregistered.
To reproduce and verify the error:
Command to be used is : ls /sys/bus/parport/devices
1) without the device attached there is no output as there is no
registered parport.
2) Attach the device, and the command will show "parport0".
3) Remove the device and the command still shows "parport0".
4) Attach the device again and we get "parport1".
With the patch applied:
1) without the device attached there is no output as there is no
registered parport.
2) Attach the device, and the command will show "parport0".
3) Remove the device and there is no output as "parport0" is now
removed.
4) Attach device again to get "parport0" again.
Cc: <stable@vger.kernel.org> # 4.2+
Signed-off-by: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Here's the big pull request for USB and PHY drivers for 4.7-rc1
Full details in the shortlog, but it's the normal major gadget driver
updates, phy updates, new usbip code, as well as a bit of lots of other
stuff.
All have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB updates from Greg KH:
"Here's the big pull request for USB and PHY drivers for 4.7-rc1
Full details in the shortlog, but it's the normal major gadget driver
updates, phy updates, new usbip code, as well as a bit of lots of
other stuff.
All have been in linux-next with no reported issues"
* tag 'usb-4.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (164 commits)
USB: serial: ti_usb_3410_5052: add MOXA UPORT 11x0 support
USB: serial: fix minor-number allocation
USB: serial: quatech2: fix use-after-free in probe error path
USB: serial: mxuport: fix use-after-free in probe error path
USB: serial: keyspan: fix debug and error messages
USB: serial: keyspan: fix URB unlink
USB: serial: keyspan: fix use-after-free in probe error path
USB: serial: io_edgeport: fix memory leaks in probe error path
USB: serial: io_edgeport: fix memory leaks in attach error path
usb: Remove unnecessary space before operator ','.
usb: Remove unnecessary space before open square bracket.
USB: FHCI: avoid redundant condition
usb: host: xhci-rcar: Avoid long wait in xhci_reset()
usb/host/fotg210: remove dead code in create_sysfs_files
usb: wusbcore: Do not initialise statics to 0.
usb: wusbcore: Remove space before ',' and '(' .
USB: serial: cp210x: clean up CRTSCTS flag code
USB: serial: cp210x: get rid of magic numbers in CRTSCTS flag code
USB: serial: cp210x: fix hardware flow-control disable
USB: serial: option: add even more ZTE device ids
...
These updates fixes a number of issues where resources were not properly
released on probe errors. Included is also a fix for hardware
flow-control disable for cp210x.
Support for Moxa UPort 11x0 is added to the ti_usb_3410_5052 driver, and
included are also some general code clean ups.
Signed-off-by: Johan Hovold <johan@kernel.org>
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Merge tag 'usb-serial-4.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-next
Johan writes:
USB-serial updates for v4.7-rc1
These updates fixes a number of issues where resources were not properly
released on probe errors. Included is also a fix for hardware
flow-control disable for cp210x.
Support for Moxa UPort 11x0 is added to the ti_usb_3410_5052 driver, and
included are also some general code clean ups.
Signed-off-by: Johan Hovold <johan@kernel.org>
Add support for :
- UPort 1110 : 1 port RS-232 USB to Serial Hub.
- UPort 1130 : 1 port RS-422/485 USB to Serial Hub.
- UPort 1130I : 1 port RS-422/485 USB to Serial Hub with Isolation.
- UPort 1150 : 1 port RS-232/422/485 USB to Serial Hub.
- UPort 1150I : 1 port RS-232/422/485 USB to Serial Hub with Isolation.
These devices are based on TI 3410 chip.
Signed-off-by: Mathieu OTHACEHE <m.othacehe@gmail.com>
[johan: fix rs485-only check ]
Signed-off-by: Johan Hovold <johan@kernel.org>
Due to a missing upper bound, invalid minor numbers could be assigned to
ports. Such devices would later fail to register, but let's catch this
early as intended and avoid having devices with only a subset of their
ports registered (potentially the empty set).
Signed-off-by: Johan Hovold <johan@kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The interface read URB is submitted in attach, but was only unlinked by
the driver at disconnect.
In case of a late probe error (e.g. due to failed minor allocation),
disconnect is never called and we would end up with active URBs for an
unbound interface. This in turn could lead to deallocated memory being
dereferenced in the completion callback.
Fixes: f7a33e608d ("USB: serial: add quatech2 usb to serial driver")
Cc: stable <stable@vger.kernel.org> # v3.5: 40d0473849
Signed-off-by: Johan Hovold <johan@kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The interface read and event URBs are submitted in attach, but were
never explicitly unlinked by the driver. Instead the URBs would have
been killed by usb-serial core on disconnect.
In case of a late probe error (e.g. due to failed minor allocation),
disconnect is never called and we could end up with active URBs for an
unbound interface. This in turn could lead to deallocated memory being
dereferenced in the completion callbacks.
Fixes: ee467a1f20 ("USB: serial: add Moxa UPORT 12XX/14XX/16XX
driver")
Cc: stable <stable@vger.kernel.org> # v3.14
Signed-off-by: Johan Hovold <johan@kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The URB status is signed and should be printed using %d rather than %x.
Also print endpoint addresses consistently using %x rather than %d, and
merge a broken-up error message string.
Signed-off-by: Johan Hovold <johan@kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
A driver must not rely on the URB status field to try to determine if an
URB is active.
Signed-off-by: Johan Hovold <johan@kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The interface instat and indat URBs were submitted in attach, but never
unlinked in release before deallocating the corresponding transfer
buffers.
In the case of a late probe error (e.g. due to failed minor allocation),
disconnect would not have been called before release, causing the
buffers to be freed while the URBs are still in use. We'd also end up
with active URBs for an unbound interface.
Fixes: f9c99bb8b3 ("USB: usb-serial: replace shutdown with disconnect,
release")
Cc: stable <stable@vger.kernel.org> # v2.6.31
Signed-off-by: Johan Hovold <johan@kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
URBs and buffers allocated in attach for Epic devices would never be
deallocated in case of a later probe error (e.g. failure to allocate
minor numbers) as disconnect is then never called.
Fix by moving deallocation to release and making sure that the
URBs are first unlinked.
Fixes: f9c99bb8b3 ("USB: usb-serial: replace shutdown with disconnect,
release")
Cc: stable <stable@vger.kernel.org> # v2.6.31
Signed-off-by: Johan Hovold <johan@kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Private data, URBs and buffers allocated for Epic devices during
attach were never released on errors (e.g. missing endpoints).
Fixes: 6e8cf7751f ("USB: add EPIC support to the io_edgeport driver")
Cc: stable <stable@vger.kernel.org> # v2.6.21
Signed-off-by: Johan Hovold <johan@kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The CRTSCTS flag code cleared (and inconsistently) bits unrelated to
CRTSCTS functionality. It was also harder than necessary to read.
Signed-off-by: Konstantin Shkolnyy <konstantin.shkolnyy@gmail.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Replaced magic numbers used in the CRTSCTS flag code with symbolic names
from the chip specification.
Signed-off-by: Konstantin Shkolnyy <konstantin.shkolnyy@gmail.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
A bug in the CRTSCTS handling caused RTS to alternate between
CRTSCTS=0 => "RTS is transmit active signal" and
CRTSCTS=1 => "RTS is used for receive flow control"
instead of
CRTSCTS=0 => "RTS is statically active" and
CRTSCTS=1 => "RTS is used for receive flow control"
This only happened after first having enabled CRTSCTS.
Signed-off-by: Konstantin Shkolnyy <konstantin.shkolnyy@gmail.com>
Fixes: 39a66b8d22 ("[PATCH] USB: CP2101 Add support for flow control")
Cc: stable <stable@vger.kernel.org>
[johan: reword commit message ]
Signed-off-by: Johan Hovold <johan@kernel.org>
Add even more ZTE device ids.
Signed-off-by: lei liu <liu.lei78@zte.com.cn>
Cc: stable <stable@vger.kernel.org>
[johan: rebase and replace commit message ]
Signed-off-by: Johan Hovold <johan@kernel.org>
More ZTE device ids.
Signed-off-by: lei liu <liu.lei78@zte.com.cn>
Cc: stable <stable@vger.kernel.org>
[properly sort them - gregkh]
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Added support for Gemalto's Cinterion PH8 and AHxx products
with 2 RmNet Interfaces and products with 1 RmNet + 1 USB Audio interface.
In addition some minor renaming and formatting.
Signed-off-by: Hans-Christoph Schemmel <hans-christoph.schemmel@gemalto.com>
[johan: sort current entries and trim trailing whitespace ]
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Replace ASYNC_INITIALIZED bit in the tty_port::flags field with
TTY_PORT_INITIALIZED bit in the tty_port::iflags field. Introduce helpers
tty_port_set_initialized() and tty_port_initialized() to abstract
atomic bit ops.
Note: the transforms for test_and_set_bit() and test_and_clear_bit()
are unnecessary as the state transitions are already mutually exclusive;
the tty lock prevents concurrent open/close/hangup.
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Abstract TTY_THROTTLED bit tests with tty_throttled().
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The IS_ENABLED() macro checks if a Kconfig symbol has been enabled either
built-in or as a module, use that macro instead of open coding the same.
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
The ftdi_sio_quirk structures are never modified, so declare them as
const.
Done with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Johan Hovold <johan@kernel.org>
Adding VID:PID for Straizona Focusers to cp210x driver.
Signed-off-by: Jasem Mutlaq <mutlaqja@ikarustech.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
The Link ECU is an aftermarket ECU computer for vehicles that provides
full tuning abilities as well as datalogging and displaying capabilities
via the USB to Serial adapter built into the device.
Signed-off-by: Mike Manning <michael@bsch.com.au>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Here are some new device ids.
Signed-off-by: Johan Hovold <johan@kernel.org>
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Merge tag 'usb-serial-4.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus
Johan writes:
USB-serial fixes for v4.6-rc3
Here are some new device ids.
Signed-off-by: Johan Hovold <johan@kernel.org>
The CP2105 is used in the GE Healthcare Remote Alarm Box, with the
Manufacturer ID of 0x1901 and Product ID of 0x0194.
Signed-off-by: Martyn Welch <martyn.welch@collabora.co.uk>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
A Fedora user reports that the ftdi_sio driver works properly for the
ICP DAS I-7561U device. Further, the user manual for these devices
instructs users to load the driver and add the ids using the sysfs
interface.
Add support for these in the driver directly so that the devices work
out of the box instead of needing manual configuration.
Reported-by: <thesource@mail.ru>
CC: stable <stable@vger.kernel.org>
Signed-off-by: Josh Boyer <jwboyer@fedoraproject.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
The driver can be crashed with devices that expose crafted descriptors
with too few endpoints.
See: http://seclists.org/bugtraq/2016/Mar/61
Signed-off-by: Oliver Neukum <ONeukum@suse.com>
[johan: fix OOB endpoint check and add error messages ]
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
An attack using the lack of sanity checking in probe is known. This
patch checks for the existence of a second port.
CVE-2016-3136
Signed-off-by: Oliver Neukum <ONeukum@suse.com>
CC: stable@vger.kernel.org
[johan: add error message ]
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Here is the big USB patchset for 4.6-rc1.
The normal mess is here, gadget and xhci fixes and updates, and lots of
other driver updates and cleanups as well. Full details are in the
shortlog.
All have been in linux-next for a while with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB updates from Greg KH:
"Here is the big USB patchset for 4.6-rc1.
The normal mess is here, gadget and xhci fixes and updates, and lots
of other driver updates and cleanups as well. Full details are in the
shortlog.
All have been in linux-next for a while with no reported issues"
* tag 'usb-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (266 commits)
USB: core: let USB device know device node
usb: devio: Add ioctl to disallow detaching kernel USB drivers.
usb: gadget: f_acm: Fix configfs attr name
usb: udc: lpc32xx: remove USB PLL and USB OTG clock management
usb: udc: lpc32xx: remove direct access to clock controller registers
usb: udc: lpc32xx: switch to clock prepare/unprepare model
usb: renesas_usbhs: gadget: fix giveback status code in usbhsg_pipe_disable()
usb: gadget: renesas_usb3: Use ARCH_RENESAS
usb: dwc2: Fix issues in dwc2_complete_non_isoc_xfer_ddma()
usb: dwc2: Add support for Lantiq ARX and XRX SoCs
usb: phy: generic: Handle late registration of gadget
usb: gadget: bdc_udc: fix race condition in bdc_udc_exit()
usb: musb: core: added missing const qualifier to musb_hdrc_platform_data::config
usb: dwc2: Move host-specific core functions into hcd.c
usb: dwc2: Move register save and restore functions
usb: dwc2: Use kmem_cache_free()
usb: dwc2: host: If using uframe scheduler, end splits better
usb: dwc2: host: Totally redo the microframe scheduler
usb: dwc2: host: Properly set even/odd frame
usb: dwc2: host: Add dwc2_hcd_get_future_frame_number() call
...
Here's the big tty/serial driver pull request for 4.6-rc1.
Lots of changes in here, Peter has been on a tear again, with lots of
refactoring and bugs fixes, many thanks to the great work he has been
doing. Lots of driver updates and fixes as well, full details in the
shortlog.
All have been in linux-next for a while with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial updates from Greg KH:
"Here's the big tty/serial driver pull request for 4.6-rc1.
Lots of changes in here, Peter has been on a tear again, with lots of
refactoring and bugs fixes, many thanks to the great work he has been
doing. Lots of driver updates and fixes as well, full details in the
shortlog.
All have been in linux-next for a while with no reported issues"
* tag 'tty-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (220 commits)
serial: 8250: describe CONFIG_SERIAL_8250_RSA
serial: samsung: optimize UART rx fifo access routine
serial: pl011: add mark/space parity support
serial: sa1100: make sa1100_register_uart_fns a function
tty: serial: 8250: add MOXA Smartio MUE boards support
serial: 8250: convert drivers to use up_to_u8250p()
serial: 8250/mediatek: fix building with SERIAL_8250=m
serial: 8250/ingenic: fix building with SERIAL_8250=m
serial: 8250/uniphier: fix modular build
Revert "drivers/tty/serial: make 8250/8250_ingenic.c explicitly non-modular"
Revert "drivers/tty/serial: make 8250/8250_mtk.c explicitly non-modular"
serial: mvebu-uart: initial support for Armada-3700 serial port
serial: mctrl_gpio: Add missing module license
serial: ifx6x60: avoid uninitialized variable use
tty/serial: at91: fix bad offset for UART timeout register
tty/serial: at91: restore dynamic driver binding
serial: 8250: Add hardware dependency to RT288X option
TTY, devpts: document pty count limiting
tty: goldfish: support platform_device with id -1
drivers: tty: goldfish: Add device tree bindings
...
Here are some cp210x register-accessor updates and general usb-serial
code clean ups.
Signed-off-by: Johan Hovold <johan@kernel.org>
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Merge tag 'usb-serial-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-next
Johan writes:
USB-serial updates for v4.6-rc1
Here are some cp210x register-accessor updates and general usb-serial
code clean ups.
Signed-off-by: Johan Hovold <johan@kernel.org>
The MC74xx and EM74xx modules use different IDs by default, according
to the Lenovo EM7455 driver for Windows.
Cc: <stable@vger.kernel.org>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: Johan Hovold <johan@kernel.org>
This reverts commit 0b2b093ad4.
Turns out the MOXA vendor driver was basically just a copy of the
ti_usb_3410_5052 driver. We don't want two drivers for the same chip
even if mxu11x0 had gotten some much needed clean up before merge. So
let's remove the mxu11x0 driver, add support for these Moxa devices to
the TI driver, and then clean that driver up instead.
Signed-off-by: Johan Hovold <johan@kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch adds support for 0x1045 PID of Telit LE922.
Signed-off-by: Daniele Palmas <dnlplm@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
cp210x_get_config and cp210x_set_config are cumbersome to use. This change
switches large register access to use new block functions. The old
functions are removed because now they become unused.
Signed-off-by: Konstantin Shkolnyy <konstantin.shkolnyy@gmail.com>
[johan: minor style change ]
Signed-off-by: Johan Hovold <johan@kernel.org>
cp210x_get_config and cp210x_set_config are cumbersome to use. This change
introduces new register access functions for 8 and 32-bit values, instead
of the above functions.
Signed-off-by: Konstantin Shkolnyy <konstantin.shkolnyy@gmail.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
cp210x_get_config and cp210x_set_config are cumbersome to use. This change
introduces new register access functions for 16-bit values, instead of
the above functions.
Signed-off-by: Konstantin Shkolnyy <konstantin.shkolnyy@gmail.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
The Parrot NMEA GPS Flight Recorder is a USB composite device
consisting of hub, flash storage, and cp210x usb to serial chip.
It is an accessory to the mass-produced Parrot AR Drone 2.
The device emits standard NMEA messages which make the it compatible
with NMEA compatible software. It was tested using gpsd version 3.11-3
as an NMEA interpreter and using the official Parrot Flight Recorder.
Signed-off-by: Vittorio Alfieri <vittorio88@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Johan Hovold