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linux/drivers/usb/serial
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Johan Hovold c0815ea085 USB: serial: f81534: fix division by zero on line-speed change 
commit 188c9c2e0c7f4ae864113f80c40bafb394062271 upstream.

The driver leaves the line speed unchanged in case a requested speed is
not supported. Make sure to handle the case where the current speed is
B0 (hangup) without dividing by zero when determining the clock source.

Fixes: 3aacac02f385 ("USB: serial: f81534: add high baud rate support")
Cc: stable@vger.kernel.org      # 4.16
Cc: Ji-Ze Hong (Peter Hong) <hpeter@gmail.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-12-21 17:48:08 +01:00
..
aircable.c
USB: serial: drop redundant transfer-buffer casts
2020-07-09 09:20:17 +02:00
ark3116.c
usb: serial: Make ->set_termios() old ktermios const
2022-08-30 14:22:35 +02:00
belkin_sa.c
usb: serial: Make ->set_termios() old ktermios const
2022-08-30 14:22:35 +02:00
belkin_sa.h
USB: serial: Use the correct style for SPDX License Identifier
2020-04-22 09:26:47 +02:00
bus.c
bus: Make remove callback return void
2021-07-21 11:53:42 +02:00
ch341.c
Merge 6.0-rc4 into tty-next
2022-09-05 07:59:28 +02:00
console.c
USB: serial: console: move mutex_unlock() before usb_serial_put()
2022-09-19 15:30:16 +02:00
cp210x.c
USB: serial: cp210x: add Kamstrup RF sniffer PIDs
2022-12-21 17:48:07 +01:00
cyberjack.c
USB: serial: make usb_serial_driver::write_room return uint
2021-05-19 10:56:40 +02:00
cypress_m8.c
usb: serial: Make ->set_termios() old ktermios const
2022-08-30 14:22:35 +02:00
cypress_m8.h
USB: serial: cypress_m8: enable Simply Automated UPB PIM
2020-06-23 09:56:17 +02:00
digi_acceleport.c
usb: serial: Make ->set_termios() old ktermios const
2022-08-30 14:22:35 +02:00
empeg.c
…
ezusb_convert.pl
…
f81232.c
USB: serial: f81232: fix division by zero on line-speed change
2022-12-21 17:48:07 +01:00
f81534.c
USB: serial: f81534: fix division by zero on line-speed change
2022-12-21 17:48:08 +01:00
ftdi_sio_ids.h
USB: serial: ftdi_sio: add support for HP and HA devices
2022-09-15 08:06:06 +02:00
ftdi_sio.c
USB/Thunderbolt changes for 6.1-rc1
2022-10-07 16:48:26 -07:00
ftdi_sio.h
USB: serial: ftdi_sio: rename channel index
2022-09-15 08:05:53 +02:00
garmin_gps.c
USB: serial: use kmemdup instead of kmalloc + memcpy
2022-06-22 08:56:52 +02:00
generic.c
USB: serial: make usb_serial_driver::chars_in_buffer return uint
2021-05-19 10:56:41 +02:00
io_16654.h
USB: serial: Use the correct style for SPDX License Identifier
2020-04-22 09:26:47 +02:00
io_edgeport.c
usb: serial: Make ->set_termios() old ktermios const
2022-08-30 14:22:35 +02:00
io_edgeport.h
USB: serial: io_edgeport: drop unused definitions
2021-04-08 09:50:04 +02:00
io_ionsp.h
USB: serial: Use the correct style for SPDX License Identifier
2020-04-22 09:26:47 +02:00
io_ti.c
usb: serial: Make ->set_termios() old ktermios const
2022-08-30 14:22:35 +02:00
io_ti.h
USB: serial: io_ti: drop unnecessary packed attributes
2021-04-13 18:23:34 +02:00
io_usbvend.h
USB: serial: io_ti: add Agilent E5805A support
2022-06-09 14:13:28 +02:00
ipaq.c
USB: serial: replace symbolic permissions by octal permissions
2021-08-26 09:38:27 +02:00
ipw.c
…
ir-usb.c
usb: serial: Make ->set_termios() old ktermios const
2022-08-30 14:22:35 +02:00
iuu_phoenix.c
usb: serial: Make ->set_termios() old ktermios const
2022-08-30 14:22:35 +02:00
iuu_phoenix.h
USB: serial: Use the correct style for SPDX License Identifier
2020-04-22 09:26:47 +02:00
Kconfig
USB: serial: simple: add Nokia phone driver
2022-03-03 09:27:36 +01:00
keyspan_pda.c
usb: serial: Make ->set_termios() old ktermios const
2022-08-30 14:22:35 +02:00
keyspan_usa26msg.h
…
keyspan_usa28msg.h
…
keyspan_usa49msg.h
…
keyspan_usa67msg.h
…
keyspan_usa90msg.h
…
keyspan.c
usb: serial: Make ->set_termios() old ktermios const
2022-08-30 14:22:35 +02:00
kl5kusb105.c
usb: serial: Make ->set_termios() old ktermios const
2022-08-30 14:22:35 +02:00
kl5kusb105.h
…
kobil_sct.c
usb: serial: Make ->set_termios() old ktermios const
2022-08-30 14:22:35 +02:00
kobil_sct.h
…
Makefile
USB: serial: add MaxLinear/Exar USB to Serial driver
2021-01-21 10:49:37 +01:00
Makefile-keyspan_pda_fw
…
mct_u232.c
usb: serial: Make ->set_termios() old ktermios const
2022-08-30 14:22:35 +02:00
mct_u232.h
USB: serial: Use the correct style for SPDX License Identifier
2020-04-22 09:26:47 +02:00
metro-usb.c
USB: serial: drop irq-flags initialisations
2021-05-21 15:46:25 +02:00
mos7720.c
usb: serial: Make ->set_termios() old ktermios const
2022-08-30 14:22:35 +02:00
mos7840.c
usb: serial: Make ->set_termios() old ktermios const
2022-08-30 14:22:35 +02:00
mxuport.c
usb: serial: Make ->set_termios() old ktermios const
2022-08-30 14:22:35 +02:00
navman.c
…
omninet.c
USB: serial: omninet: update driver description
2021-05-25 08:59:17 +02:00
opticon.c
USB: serial: use kmemdup instead of kmalloc + memcpy
2022-06-22 08:56:52 +02:00
option.c
USB: serial: option: add Quectel EM05-G modem
2022-12-21 17:48:07 +01:00
oti6858.c
usb: serial: Make ->set_termios() old ktermios const
2022-08-30 14:22:35 +02:00
oti6858.h
USB: serial: Use the correct style for SPDX License Identifier
2020-04-22 09:26:47 +02:00
pl2303.c
usb: serial: Make ->set_termios() old ktermios const
2022-08-30 14:22:35 +02:00
pl2303.h
USB: serial: pl2303: add device id for HP LM930 Display
2022-05-05 13:31:03 +02:00
qcaux.c
…
qcserial.c
USB: serial: qcserial: add new usb-id for Dell branded EM7455
2022-09-27 09:04:28 +02:00
quatech2.c
usb: serial: Make ->set_termios() old ktermios const
2022-08-30 14:22:35 +02:00
safe_serial.c
…
sierra.c
USB: serial: fix tty-port initialized comments
2022-07-25 11:01:40 +02:00
spcp8x5.c
usb: serial: Make ->set_termios() old ktermios const
2022-08-30 14:22:35 +02:00
ssu100.c
usb: serial: Make ->set_termios() old ktermios const
2022-08-30 14:22:35 +02:00
symbolserial.c
USB: serial: make remove callback return void
2021-02-09 13:13:58 +01:00
ti_usb_3410_5052.c
usb: serial: Make ->set_termios() old ktermios const
2022-08-30 14:22:35 +02:00
upd78f0730.c
usb: serial: Make ->set_termios() old ktermios const
2022-08-30 14:22:35 +02:00
usb_debug.c
…
usb_wwan.c
USB-serial updates for 5.20-rc1
2022-07-25 11:28:52 +02:00
usb-serial-simple.c
USB: serial: simple: add Nokia phone driver
2022-03-03 09:27:36 +01:00
usb-serial.c
tty: Make ->set_termios() old ktermios const
2022-08-30 14:22:35 +02:00
usb-wwan.h
USB: serial: make usb_serial_driver::chars_in_buffer return uint
2021-05-19 10:56:41 +02:00
visor.c
…
visor.h
USB: serial: Use the correct style for SPDX License Identifier
2020-04-22 09:26:47 +02:00
whiteheat.c
usb: serial: Make ->set_termios() old ktermios const
2022-08-30 14:22:35 +02:00
whiteheat.h
USB: serial: Use the correct style for SPDX License Identifier
2020-04-22 09:26:47 +02:00
wishbone-serial.c
…
xr_serial.c
usb: serial: Make ->set_termios() old ktermios const
2022-08-30 14:22:35 +02:00
xsens_mt.c
…