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891a3b1fdd
linux/drivers/usb/serial
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Alan Stern 891a3b1fdd USB: fix bug in serial driver unregistration 
This patch (as1536) fixes a bug in the USB serial core.  Unloading and
reloading a serial driver while a serial device is plugged in causes
errors because of the code in usb_serial_disconnect() that tries to
make sure the port_remove method is called.  With the new order of
driver registration introduced in the 3.4 kernel, this is definitely
not the right thing to do (if indeed it ever was).

The patch removes that whole section code, along with the mechanism
for keeping track of each port's registration state, which is no
longer needed.  The driver core can handle all that stuff for us.

Note: This has been tested only with one or two USB serial drivers.
In theory, other drivers might still run into trouble.  But if they
do, it will be the fault of the drivers, not of this patch -- that is,
the drivers will need to be fixed.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Reported-and-tested-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-04-09 15:36:20 -07:00
..
aircable.c USB: serial: aircable.c: use module_usb_serial_driver 2012-02-28 13:11:32 -08:00
ark3116.c USB: serial: ark3116.c: use module_usb_serial_driver 2012-02-28 13:11:35 -08:00
belkin_sa.c USB: serial: belkin_sa.c: use module_usb_serial_driver 2012-02-28 13:11:35 -08:00
belkin_sa.h USB: belkin_sa.h: checkpatch cleanups 2010-05-20 13:21:46 -07:00
bus.c USB: fix bug in serial driver unregistration 2012-04-09 15:36:20 -07:00
ch341.c USB: serial: ch341.c: use module_usb_serial_driver 2012-02-28 13:11:37 -08:00
console.c usb-console: pass baud from console to the initial tty open 2010-05-20 13:21:32 -07:00
cp210x.c usb: cp210x: Update to support CP2105 and multiple interface devices 2012-03-02 16:19:16 -08:00
cyberjack.c USB: serial: cyberjack.c: use module_usb_serial_driver 2012-02-28 13:11:40 -08:00
cypress_m8.c USB: serial: cypress_m8.c: use module_usb_serial_driver 2012-02-28 13:11:41 -08:00
cypress_m8.h USB: cypress_m8.h: checkpatch cleanups 2010-05-20 13:21:46 -07:00
digi_acceleport.c USB: serial: digi_acceleport.c: use module_usb_serial_driver 2012-02-28 13:11:41 -08:00
empeg.c USB: serial: empeg.c: use module_usb_serial_driver 2012-02-28 13:11:42 -08:00
ezusb_convert.pl
ezusb.c
f81232.c USB: serial: add Fintek F81232 usb to serial driver 2012-02-28 13:36:35 -08:00
ftdi_sio_ids.h USB: ftdi_sio: new PID: LUMEL PD12 2012-03-15 12:34:30 -07:00
ftdi_sio.c Documentation: remove references to /etc/modprobe.conf 2012-03-30 16:03:15 -07:00
ftdi_sio.h USB: ftdi_sio: add support for FT-X series devices 2012-03-14 15:43:05 -07:00
funsoft.c USB: serial: funsoft.c: use module_usb_serial_driver 2012-02-28 13:11:44 -08:00
garmin_gps.c USB: serial: garmin_gps.c: use module_usb_serial_driver 2012-02-28 13:11:46 -08:00
generic.c usb-serial: new API for driver registration 2012-02-24 12:39:17 -08:00
hp4x.c USB: serial: hp4x.c: use module_usb_serial_driver 2012-02-28 13:11:49 -08:00
io_16654.h
io_edgeport.c USB: serial: io_edgeport.c: use module_usb_serial_driver 2012-02-28 13:11:51 -08:00
io_edgeport.h Fix common misspellings 2011-03-31 11:26:23 -03:00
io_ionsp.h USB: io_edgeport: checkpatch cleanups 2010-05-20 13:21:47 -07:00
io_tables.h usb-serial: use new registration API in [i-j]* drivers 2012-02-24 12:39:18 -08:00
io_ti.c USB: serial: io_ti.c: use module_usb_serial_driver 2012-02-28 13:11:53 -08:00
io_ti.h USB: io_edgeport: checkpatch cleanups 2010-05-20 13:21:47 -07:00
io_usbvend.h USB: io_edgeport: checkpatch cleanups 2010-05-20 13:21:47 -07:00
ipaq.c usb-serial: use new registration API in [i-j]* drivers 2012-02-24 12:39:18 -08:00
ipw.c USB: serial: ipw.c: use module_usb_serial_driver 2012-02-28 13:11:56 -08:00
ir-usb.c usb-serial: use new registration API in [i-j]* drivers 2012-02-24 12:39:18 -08:00
iuu_phoenix.c USB: serial: iuu_phoenix.c: use module_usb_serial_driver 2012-02-28 13:11:58 -08:00
iuu_phoenix.h
Kconfig USB: serial: metro-usb: add to the build 2012-03-08 13:34:01 -08:00
keyspan_pda.c USB: serial: keyspan_pda.c: use module_usb_serial_driver 2012-02-28 13:11:59 -08:00
keyspan_usa26msg.h
keyspan_usa28msg.h
keyspan_usa49msg.h
keyspan_usa67msg.h
keyspan_usa90msg.h
keyspan.c USB: serial: keyspan.c: use module_usb_serial_driver 2012-02-28 13:11:59 -08:00
keyspan.h usb-serial: use new registration API in [k-m]* drivers 2012-02-24 12:39:19 -08:00
kl5kusb105.c USB: serial: kl5kusb105.c: use module_usb_serial_driver 2012-02-28 13:12:00 -08:00
kl5kusb105.h USB: kl5kusb105.h: checkpatch cleanups 2010-05-20 13:21:47 -07:00
kobil_sct.c USB: serial: kobil_sct.c: use module_usb_serial_driver 2012-02-28 13:12:02 -08:00
kobil_sct.h USB: kobil_sct.h: checkpatch cleanups 2010-05-20 13:21:47 -07:00
Makefile USB: serial: metro-usb: add to the build 2012-03-08 13:34:01 -08:00
Makefile-keyspan_pda_fw
mct_u232.c USB: serial: mct_u232.c: use module_usb_serial_driver 2012-02-28 13:12:05 -08:00
mct_u232.h Update broken web addresses in the kernel. 2010-10-18 11:03:14 +02:00
metro-usb.c USB: serial: metro-usb: Fix idProduct for Uni-Directional mode. 2012-04-09 15:36:20 -07:00
mos7720.c USB: serial: mos7720.c: use module_usb_serial_driver 2012-02-28 13:12:07 -08:00
mos7840.c USB: serial: mos7840: Fixed MCS7820 device attach problem 2012-03-14 12:25:26 -07:00
moto_modem.c USB: serial: moto_modem.c: use module_usb_serial_driver 2012-02-28 13:12:12 -08:00
navman.c USB: serial: navman.c: use module_usb_serial_driver 2012-02-28 13:12:14 -08:00
omninet.c USB: serial: omninet.c: use module_usb_serial_driver 2012-02-28 13:12:17 -08:00
opticon.c USB: serial: opticon.c: use module_usb_serial_driver 2012-02-28 13:12:19 -08:00
option.c USB: option: re-add NOVATELWIRELESS_PRODUCT_HSPA_HIGHSPEED to option_id array 2012-04-09 15:36:20 -07:00
oti6858.c USB: serial: oti6858.c: use module_usb_serial_driver 2012-02-28 13:12:22 -08:00
oti6858.h
pl2303.c USB: pl2303: fix DTR/RTS being raised on baud rate change 2012-04-09 15:36:20 -07:00
pl2303.h USB: serial: pl2303: rm duplicate id 2011-11-15 10:06:15 -08:00
qcaux.c USB: serial: qcaux.c: use module_usb_serial_driver 2012-02-28 13:12:24 -08:00
qcserial.c USB: serial: qcserial.c: use module_usb_serial_driver 2012-02-28 13:12:26 -08:00
safe_serial.c usb-serial: use new registration API in [q-s]* drivers 2012-02-24 12:39:20 -08:00
siemens_mpi.c USB: serial: siemens_mpi.c: use module_usb_serial_driver 2012-02-28 13:12:29 -08:00
sierra.c USB: serial: sierra.c: use module_usb_serial_driver 2012-02-28 13:12:31 -08:00
spcp8x5.c USB: serial: spcp8x5.c: use module_usb_serial_driver 2012-02-28 13:12:34 -08:00
ssu100.c USB: serial: ssu100.c: use module_usb_serial_driver 2012-02-28 13:12:36 -08:00
symbolserial.c USB: serial: symbolserial.c: use module_usb_serial_driver 2012-02-28 13:12:38 -08:00
ti_usb_3410_5052.c usb-serial: use new registration API in [t-z]* drivers 2012-02-24 12:39:21 -08:00
ti_usb_3410_5052.h USB: Serial: ti_usb_3410_5052: Add Abbot Diabetes Care cable id 2012-02-21 16:29:15 -08:00
usb_debug.c USB: serial: usb_debug.c: use module_usb_serial_driver 2012-02-28 13:12:41 -08:00
usb_wwan.c module_param: make bool parameters really bool (drivers & misc) 2012-01-13 09:32:20 +10:30
usb-serial.c USB: fix bug in serial driver unregistration 2012-04-09 15:36:20 -07:00
usb-wwan.h tty: remove filp from the USB tty ioctls 2011-02-17 11:59:14 -08:00
visor.c usb-serial: use new registration API in [t-z]* drivers 2012-02-24 12:39:21 -08:00
visor.h USB: visor.h: checkpatch cleanups 2010-05-20 13:21:47 -07:00
vivopay-serial.c USB: serial: vivopay-serial.c: use module_usb_serial_driver 2012-02-28 13:12:43 -08:00
whiteheat.c USB: serial: whiteheat.c: use module_usb_serial_driver 2012-02-28 13:12:44 -08:00
whiteheat.h
zio.c USB: serial: zio.c: use module_usb_serial_driver 2012-02-28 13:12:46 -08:00