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Instead of "open coding" a DEVICE_ATTR() define, use the
DEVICE_ATTR_RO() macro instead, which does everything properly instead.
This does require a few static functions to be renamed to work properly,
but thanks to a script from Joe Perches, this was easily done.
Reported-by: Joe Perches <joe@perches.com>
Cc: Matthieu CASTET <castet.matthieu@free.fr>
Cc: Stanislaw Gruszka <stf_xl@wp.pl>
Cc: Oliver Neukum <oneukum@suse.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Acked-by: Pete Zaitcev <zaitcev@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Instead of "open coding" a DEVICE_ATTR() define, use the
DEVICE_ATTR_RW() macro instead, which does everything properly instead.
This does require a few static functions to be renamed to work properly,
but thanks to a script from Joe Perches, this was easily done.
Reported-by: Joe Perches <joe@perches.com>
Cc: Matthieu CASTET <castet.matthieu@free.fr>
Cc: Stanislaw Gruszka <stf_xl@wp.pl>
Cc: Peter Chen <Peter.Chen@nxp.com>
Cc: Mathias Nyman <mathias.nyman@intel.com>
Acked-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: Bin Liu <b-liu@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Assign true or false to boolean variables instead of an integer value.
This issue was detected with the help of Coccinelle.
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Reviewed-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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It's best to just send new updates to the usb-storage quirk table to the
linux-usb@vger.kernel.org mailing list, no need to bother Phil and Alan
or the almost defunct usb-storage list.
Reported-by: Alan Stern <stern@rowland.harvard.edu>
Cc: Matthew Dharm <mdharm-usb@one-eyed-alien.net>
Cc: Phil Dibowitz <phil@ipom.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The old URL for usb-storage driver help is long gone. So remove it from
the comments to not confuse people anymore.
Reported-by: Matthew Dharm <mdharm-usb@one-eyed-alien.net>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Don't complain on -EPROBE_DEFER when no PHY found, the driver
probe will be retried later.
Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Roger Quadros <rogerq@ti.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The pointer mos_parport is being initialized to pp->private_data and
then the assignment is duplicated after a spin lock. Remove the
initialization as it occurs before the spin lock and it is a redundant
assignment.
Cleans up clang warnings:
drivers/usb/serial/mos7720.c:521:26: warning: Value stored to
'mos_parport' during its initialization is never read
drivers/usb/serial/mos7720.c:557:26: warning: Value stored to
'mos_parport' during its initialization is never read
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The current code tries to test for bits that are masked out by
usb_endpoint_maxp(). Instead, use the proper accessor to access
the new high bandwidth bits.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Simplify return logic and avoid unnecessary variable assignment.
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Commit 2f2d0088eb93
("usbip: prevent vhci_hcd driver from leaking a socket pointer address")
in the /sys/devices/platform/vhci_hcd/status.
Fix the header and field alignment to reflect the changes and make it
easier to read.
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add new Motorola Tetra (simple) driver for Motorola Solutions TETRA PEI
devices.
D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=0cad ProdID=9011 Rev=24.16
S: Manufacturer=Motorola Solutions Inc.
S: Product=Motorola Solutions TETRA PEI interface
C: #Ifs= 2 Cfg#= 1 Atr=80 MxPwr=500mA
I: If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=(none)
I: If#= 1 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=(none)
Note that these devices do not support the CDC SET_CONTROL_LINE_STATE
request (for any interface).
Reported-by: Max Schulze <max.schulze@posteo.de>
Tested-by: Max Schulze <max.schulze@posteo.de>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This devices drops random bytes from messages if you talk to it
too fast.
Signed-off-by: Oliver Neukum <oneukum@suse.com>
CC: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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FS040U modem is manufactured by omega, and sold by Fujisoft. This patch
adds ID of the modem to use option1 driver. Interface 3 is used as
qmi_wwan, so the interface is ignored.
Signed-off-by: Yoshiaki Okamoto <yokamoto@allied-telesis.co.jp>
Signed-off-by: Hiroyuki Yamamoto <hyamamo@allied-telesis.co.jp>
Cc: stable <stable@vger.kernel.org>
Acked-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The Aspeed SoCs use uhci-platform. With the new dynamic clock
control framework, the corresponding IP block clock must be
properly enabled.
This is a simplified variant of what ehci-platform does, it
looks for *one* clock attached to the device, and if it's
there, enables it.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Quoting Hans:
If we return 1 from our post_reset handler, then our disconnect handler
will be called immediately afterwards. Since pre_reset blocks all scsi
requests our disconnect handler will then hang in the scsi_remove_host
call.
This is esp. bad because our disconnect handler hanging for ever also
stops the USB subsys from enumerating any new USB devices, causes commands
like lsusb to hang, etc.
In practice this happens when unplugging some uas devices because the hub
code may see the device as needing a warm-reset and calls usb_reset_device
before seeing the disconnect. In this case uas_configure_endpoints fails
with -ENODEV. We do not want to print an error for this, so this commit
also silences the shost_printk for -ENODEV.
ENDQUOTE
However, if we do that we better drop any unconditional execution
and report to the SCSI subsystem that we have undergone a reset
but we are not operational now.
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Reported-by: Hans de Goede <hdegoede@redhat.com>
CC: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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When disconnected sometimes the cdc-acm driver logs errors like these:
[20278.039417] cdc_acm 2-2:2.1: urb 9 failed submission with -19
[20278.042924] cdc_acm 2-2:2.1: urb 10 failed submission with -19
[20278.046449] cdc_acm 2-2:2.1: urb 11 failed submission with -19
[20278.049920] cdc_acm 2-2:2.1: urb 12 failed submission with -19
[20278.053442] cdc_acm 2-2:2.1: urb 13 failed submission with -19
[20278.056915] cdc_acm 2-2:2.1: urb 14 failed submission with -19
[20278.060418] cdc_acm 2-2:2.1: urb 15 failed submission with -19
Silence these by not logging errors when the result is -ENODEV.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Oliver Neukum <oneukum@suse.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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drivers/usb/host/xhci-mtk.c:311:2-3: Unneeded semicolon
Remove unneeded semicolon.
Generated by: scripts/coccinelle/misc/semicolon.cocci
Fixes: a2ecc4df9f84 ("usb: xhci-mtk: supports remote wakeup for mt2712 with two xHCI IPs")
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Acked-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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drivers/usb/mtu3/mtu3_host.c:58:2-3: Unneeded semicolon
Remove unneeded semicolon.
Generated by: scripts/coccinelle/misc/semicolon.cocci
Fixes: f0ede2c6282b ("usb: mtu3: supports remote wakeup for mt2712 with two SSUSB IPs")
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Acked-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Changing from ssusb_wakeup_enable/disable to ssusb_wakeup_set was done
in only one of two places in the kernel, the other one now causes a
build failure:
drivers/usb/mtu3/mtu3_plat.c: In function 'mtu3_suspend':
drivers/usb/mtu3/mtu3_plat.c:462:2: error: implicit declaration of function 'ssusb_wakeup_set'; did you mean 'ssusb_wakeup_disable'? [-Werror=implicit-function-declaration]
This adapts the dummy helpers the same way that the extern declarations
were.
Fixes: f0ede2c6282b ("usb: mtu3: supports remote wakeup for mt2712 with two SSUSB IPs")
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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We want the USB fixes in here as well for merge issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-next
Johan writes:
USB-serial updates for v4.16-rc1
Here are the USB-serial updates for 4.16-rc1, including:
- a fix for a potential sleep-while-atomic (warning) in an io_edgeport
error path
- removal of a dummy TIOCSSERIAL implementation in ark3116
- new features for Fintek F81532/534 devices:
- support for higher baud rates (up to 1.5 Mbps)
- support for auto-RTS (for RS-485)
- support for transceiver configuration
- support for detecting disabled ports
Included are also various clean ups.
All have been (at least compile tested) in linux-next without any
reported issues.
Signed-off-by: Johan Hovold <johan@kernel.org>
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When using a GPIO which is high by default, and initialize the
driver in USB Hub mode, initialization fails with:
[ 111.757794] usb3503 0-0008: SP_ILOCK failed (-5)
The reason seems to be that the chip is not properly reset.
Probe does initialize reset low, however some lines later the
code already set it back high, which is not long enouth.
Make sure reset is asserted for at least 100us by inserting a
delay after initializing the reset pin during probe.
Signed-off-by: Stefan Agner <stefan@agner.ch>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus
Johan writes:
USB-serial fixes for v4.15-rc8
Here are a couple of new device ids for cp210x.
Both have been in linux-next with no reported issues.
Signed-off-by: Johan Hovold <johan@kernel.org>
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The F81532/534 had 4 clocksource 1.846/18.46/14.77/24MHz and baud rates
can be up to 1.5Mbits with 24MHz. But on some baud rate (384~500kps), the
TX side will send the data frame too close to treat frame error on RX
side. This patch will force all TX data frame with delay 1bit gap.
Signed-off-by: Ji-Ze Hong (Peter Hong) <hpeter+linux_kernel@gmail.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
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The F81532/534 can be disable port by manufacturer with
following H/W design.
1: Connect DCD/DSR/CTS/RI pin to ground.
2: Connect RX pin to ground.
In driver, we'll implements some detect method likes following:
1: Read MSR.
2: Turn MCR LOOP bit on, off and read LSR after delay with 60ms.
It'll contain BREAK status in LSR.
Signed-off-by: Ji-Ze Hong (Peter Hong) <hpeter+linux_kernel@gmail.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
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In the original code, We'll read configuration in calc_num_ports()
and read again in attach(). In fact, we can move all content from
attach() to calc_num_ports() to simplify the code.
Signed-off-by: Ji-Ze Hong (Peter Hong) <hpeter+linux_kernel@gmail.com>
[ johan: replace commit summary ]
Signed-off-by: Johan Hovold <johan@kernel.org>
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The F81532/534 had 3 output pin (M0/SD, M1, M2) with open-drain mode to
control transceiver. We'll read it from internal Flash with address
0x2f05~0x2f08 for 4 ports. The value is range from 0 to 7. The M0/SD is
MSB of this value. For a examples, If read value is 6, we'll write M0/SD,
M1, M2 as 1, 1, 0.
Signed-off-by: Ji-Ze Hong (Peter Hong) <hpeter+linux_kernel@gmail.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
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The F81532/534 had auto RTS direction support for RS485 mode.
We'll read it from internal Flash with address 0x2f01~0x2f04 for 4 ports.
There are 4 conditions below:
0: F81534_PORT_CONF_RS232.
1: F81534_PORT_CONF_RS485.
2: value error, default to F81534_PORT_CONF_RS232.
3: F81534_PORT_CONF_RS485_INVERT.
F81532/534 Clock register (offset +08h)
Bit0: UART Enable (always on)
Bit2-1: Clock source selector
00: 1.846MHz.
01: 18.46MHz.
10: 24MHz.
11: 14.77MHz.
Bit4: Auto direction(RTS) control (RTS pin Low when TX)
Bit5: Invert direction(RTS) when Bit4 enabled (RTS pin high when TX)
Signed-off-by: Ji-Ze Hong (Peter Hong) <hpeter+linux_kernel@gmail.com>
[ johan: rename mode-mask define, and only use GENMASK() for masks ]
Signed-off-by: Johan Hovold <johan@kernel.org>
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The F81532/534 had 4 clocksource 1.846/18.46/14.77/24MHz and baud rates
can be up to 1.5Mbits with 24MHz.
This device may generate data overrun when baud rate setting to 921600bps
or higher with old UART trigger level setting (8x14=112) with full
loading. We'll change trigger level from 8x14=112 to 8x8=64 to avoid data
overrun.
Also the read/write of EP0 will be affected by this patch. The worst case
of responding time is 20s when all serial port are full loading and trying
to access EP0, so we change EP0 timeout from 10 to 20s.
F81532/534 Clock register (offset +08h)
Bit0: UART Enable (always on)
Bit2-1: Clock source selector
00: 1.846MHz.
01: 18.46MHz.
10: 24MHz.
11: 14.77MHz.
Signed-off-by: Ji-Ze Hong (Peter Hong) <hpeter+linux_kernel@gmail.com>
[ johan: only use GENMASK() for masks ]
Signed-off-by: Johan Hovold <johan@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/peter.chen/usb into usb-next
Peter writes:
Just one small update:
Use aligned DMA on Tegra30, and USB Ethernet gadget now works on it.
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The UAS mode of Norelsys NS1068(X) is reported to fail to work on
several platforms with the following error message:
xhci-hcd xhci-hcd.0.auto: ERROR Transfer event for unknown stream ring slot 1 ep 8
xhci-hcd xhci-hcd.0.auto: @00000000bf04a400 00000000 00000000 1b000000 01098001
And when trying to mount a partition on the disk the disk will
disconnect from the USB controller, then after re-connecting the device
will be offlined and not working at all.
Falling back to USB mass storage can solve this problem, so ignore UAS
function of this chip.
Cc: stable@vger.kernel.org
Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The old way of usb wakeup only supports platform with single xHCI IP,
such as mt8173, but mt2712 has two xHCI IPs, so rebuild its flow and
supports the new glue layer of usb wakeup on mt2712 which is different
from mt8173.
Due to there is a hardware bug with the LINE STATE wakeup mode on
mt8173 which causes wakeup failure by low speed devices, and also
because IP SLEEP mode can cover all functions of LINE STATE mode,
it is unused in fact, and will not support it later, so remove it at
the same time.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The old way of usb wakeup only supports platform with single SSUSB IP,
such as mt8173, but mt2712 has two SSUSB IPs, so rebuild its flow and
also supports the new glue layer of usb wakeup on mt2712 which is
different from mt8173.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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When failing to get extcon device, extcon_get_edev_by_phandle()
may return different error codes, but not only -EPROBE_DEFER,
so can't always return -EPROBE_DEFER, and fix it.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch adds the capability to support RZ/A1 SoCs.
Signed-off-by: Chris Brandt <chris.brandt@renesas.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Upon usb composition switch there is possibility of ep0 file
release happening after gadget driver bind. In case of composition
switch from adb to a non-adb composition gadget will never gets
bound again resulting into failure of usb device enumeration. Fix
this issue by checking FFS_FL_BOUND flag and avoid extra
gadget driver unbind if it is already done as part of composition
switch.
This fixes adb reconnection error reported on Android running
v4.4 and above kernel versions. Verified on Hikey running vanilla
v4.15-rc7 + few out of tree Mali patches.
Reviewed-at: https://android-review.googlesource.com/#/c/582632/
Cc: Felipe Balbi <balbi@kernel.org>
Cc: Greg KH <gregkh@linux-foundation.org>
Cc: Michal Nazarewicz <mina86@mina86.com>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Dmitry Shmidt <dimitrysh@google.com>
Cc: Badhri <badhri@google.com>
Cc: Android Kernel Team <kernel-team@android.com>
Cc: stable@vger.kernel.org
Signed-off-by: Hemant Kumar <hemantk@codeaurora.org>
[AmitP: Cherry-picked it from android-4.14 and updated the commit log]
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The ohci-da8xx device only has one clock, so a con_id is not needed, so
remove it. This way we don't have to add an unnecessary property to the
device tree bindings for the clock.
Signed-off-by: David Lechner <david@lechnology.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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There is only one clock for the DA8xx MUSB device, so we don't need the
con_id, so remove it. This way we don't have to add an unnecessary
property to the device tree bindings for the clock.
Signed-off-by: David Lechner <david@lechnology.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The error-handling pathways in usb_add_gadget_udc_release() are messed
up. Aside from the uninformative statement labels, they can deallocate
the udc structure after calling put_device(), which is a double-free.
This was observed by KASAN in automatic testing.
This patch cleans up the routine. It preserves the requirement that
when any failure occurs, we call put_device(&gadget->dev).
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
CC: <stable@vger.kernel.org>
Reviewed-by: Peter Chen <peter.chen@nxp.com>
Acked-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Automated tests triggered this by opening usbmon and accessing the
mmap while simultaneously resizing the buffers. This bug was with
us since 2006, because typically applications only size the buffers
once and thus avoid racing. Reported by Kirill A. Shutemov.
Reported-by: <syzbot+f9831b881b3e849829fc@syzkaller.appspotmail.com>
Signed-off-by: Pete Zaitcev <zaitcev@redhat.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The patch moves TIOCGSERIAL ioctl case to get_serial_info function.
Signed-off-by: Mikhail Zaytsev <flashed@mail.ru>
[johan: keep the automatic __user pointer variable in ioctl callback ]
Signed-off-by: Johan Hovold <johan@kernel.org>
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The patch removes unused TIOCSSERIAL ioctl case and adds the default block
to the switch. This will make the ioctl return -ENOTTY to user space (e.g.
setserial), which indicates that TIOCSSERIAL really isn't supported for
these devices currently.
Note that these (dummy) ioctl implementations where added by commit
2f430b4bbae7 ("USB: ark3116: Add TIOCGSERIAL and TIOCSSERIAL ioctl
calls.") back in 2006. This in turn appears to have been triggered by a
change in a user space tool, wvdial, which started erroring out if
either was missing.
There are some bug reports about that against wvdial from around that
time, and looking at the wvstreams (library) code now, it looks like the
issue has indeed been resolved by handling errors more gracefully (e.g.
just logging them).
User space really should not make assumptions about these ioctl always
being implemented, but if this turns out to be a problem for anyone
using this driver, we'll add TIOCSSERIAL back in some form.
Signed-off-by: Mikhail Zaytsev <flashed@mail.ru>
[johan: amend commit message with backstory ]
Signed-off-by: Johan Hovold <johan@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux-phy into usb-next
Kishon writes:
phy: for 4.16
*) Fix in exynos5-usbdrd to enumerate SuperSpeed devices on Odroid XU3
*) Fix in Broadcom USB PHY to get Dell Low Speed keyboards working
*) Fix in Broadcom USB PHY to power down the PHY when XHCI disabled
to save power
*) Fix in Broadcom USB PHY to prevent abort in DRD mode
*) Fix in Broadcom USB PHY to use the correct dt properties
*) Fix in Mediatek PHY to detect device connection
*) Make getting resource optional for Mediatek V1 TPHY
*) Cleanup in Mediatek PHY
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next
Felipe writes:
usb: changes for v4.16 merge window
Not many changes here, the most important being an improvement for TI's
AM57xx and DRA7xx devices which allows them to disable a metastability
workaround in situations where we know what's going on.
Other than that, we have a set of changes on Renesas UDC to make the
code a little easier to read and maintain while also better supporting
extcon framework.
The u_serial adaptation layer learned to use kfifo instead of cooking
its own FIFO implementation.
DWC3 learned to decode a few more USB requests on the trace output.
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v_send_ret_submit() handles urb with a null transfer_buffer, when it
replays a packet with potential malicious data that could contain a
null buffer.
Add a check for the condition when actual_length > 0 and transfer_buffer
is null.
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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usbip_dump_usb_device() and usbip_dump_urb() print kernel addresses.
Remove kernel addresses from usb device and urb debug msgs and improve
the message content.
Instead of printing parent device and bus addresses, print parent device
and bus names.
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Harden CMD_SUBMIT path to handle malicious input that could trigger
large memory allocations. Add checks to validate transfer_buffer_length
and number_of_packets to protect against bad input requesting for
unbounded memory allocations.
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Trivial fix to spelling mistake in dev_dbg debug message.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Calling msg_data_left(&msg) is only useful for its return value,
which in this particular case is ignored.
Fix this by removing such call.
Addresses-Coverity-ID: 1427080
Fixes: 90120d15f4c3 ("usbip: prevent leaking socket pointer address in messages")
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Acked-by: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Use dma_zalloc_coherent for allocating zeroed
memory and remove unnecessary memset function.
Done using Coccinelle.
Generated-by: scripts/coccinelle/api/alloc/kzalloc-simple.cocci
0-day tested with no failures.
Suggested-by: Luis R. Rodriguez <mcgrof@kernel.org>
Signed-off-by: Himanshu Jha <himanshujha199640@gmail.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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