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b58af4066d
linux/drivers/usb/serial
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Johan Hovold b58af4066d USB: serial: fix stalled writes 
As David VomLehn points out, it was possible to receive an interrupt
before clearing the free-urb flag which could lead to the urb being
incorrectly marked as busy.

For the same reason, move tx_bytes accounting so that it will never be
negative.

Note that the free-flags set and clear operations do not need any
additional locking as they are manipulated while USB_SERIAL_WRITE_BUSY
is set.

Reported-by: David VomLehn <dvomlehn@cisco.com>
Tested-by: David VomLehn <dvomlehn@cisco.com>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-08-10 14:35:45 -07:00
..
aircable.c USB: aircable: fix incorrect write-buffer length 2010-05-20 13:21:49 -07:00
ark3116.c USB: ark3116: reimplement read processing 2010-05-20 13:21:43 -07:00
belkin_sa.c USB: belkin_sa: implement line status handling 2010-05-20 13:21:48 -07:00
belkin_sa.h USB: belkin_sa.h: checkpatch cleanups 2010-05-20 13:21:46 -07:00
bus.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
ch341.c USB: serial: refactor generic close 2010-05-20 13:21:33 -07:00
ChangeLog.history trivial: Fix misspelling of firmware 2009-03-30 15:21:59 +02:00
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: Add four new device IDs 2010-08-10 14:35:43 -07:00
cyberjack.c USB: tty: Prune uses of tty_request_room in the USB layer 2010-03-02 14:55:12 -08:00
cypress_m8.c USB: cypress_m8: use kfifo to implement write buffering 2010-05-20 13:21:49 -07:00
cypress_m8.h USB: cypress_m8.h: checkpatch cleanups 2010-05-20 13:21:46 -07:00
digi_acceleport.c USB: serial: digi_acceleport: Eliminate a NULL pointer dereference 2010-06-04 13:16:19 -07:00
empeg.c USB: empeg: reimplement using generic framework 2010-05-20 13:21:48 -07:00
ezusb_convert.pl
ezusb.c USB: remove use of err() in drivers/usb/serial 2008-10-17 14:41:10 -07:00
ftdi_sio_ids.h USB: ftdi_sio: device id for Navitator 2010-08-10 14:35:43 -07:00
ftdi_sio.c USB: ftdi_sio: device id for Navitator 2010-08-10 14:35:43 -07:00
ftdi_sio.h USB: ftdi_sio: checkpatch cleanups 2010-05-20 13:21:46 -07:00
funsoft.c USB serial: make USB device id constant 2010-03-02 14:54:16 -08:00
garmin_gps.c USB: tty: Prune uses of tty_request_room in the USB layer 2010-03-02 14:55:12 -08:00
generic.c USB: serial: fix stalled writes 2010-08-10 14:35:45 -07:00
hp4x.c USB serial: make USB device id constant 2010-03-02 14:54:16 -08:00
io_16654.h
io_edgeport.c USB: io_edgeport: Use kzalloc 2010-05-20 13:21:46 -07:00
io_edgeport.h USB: io_edgeport: checkpatch cleanups 2010-05-20 13:21:47 -07:00
io_ionsp.h USB: io_edgeport: checkpatch cleanups 2010-05-20 13:21:47 -07:00
io_tables.h USB serial: make USB device id constant 2010-03-02 14:54:16 -08:00
io_ti.c USB: io_ti.c: don't return 0 if writing the download record failed 2010-08-10 14:35:40 -07:00
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 Revert "USB: Adding support for HTC Smartphones to ipaq" 2010-08-10 14:35:35 -07:00
ipw.c USB: ipw: reimplement using generic framework 2010-05-20 13:21:46 -07:00
ir-usb.c USB: ir-usb: fix incorrect write-buffer length 2010-05-20 13:21:50 -07:00
iuu_phoenix.c USB: iuu_phoenix: Add support for different baud rates. 2010-08-10 14:35:34 -07:00
iuu_phoenix.h USB: add iuu_phoenix driver 2008-02-01 14:34:47 -08:00
Kconfig USB: add USB serial ssu100 driver 2010-08-10 14:35:44 -07:00
keyspan_pda.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6 2010-03-03 08:48:58 -08:00
keyspan_usa26msg.h
keyspan_usa28msg.h
keyspan_usa49msg.h
keyspan_usa67msg.h
keyspan_usa90msg.h
keyspan.c USB: remove references to port->port.count from the serial drivers 2010-03-02 14:55:12 -08:00
keyspan.h USB serial: make USB device id constant 2010-03-02 14:54:16 -08:00
kl5kusb105.c fix typos concerning "initiali[zs]e" 2010-06-16 18:05:05 +02:00
kl5kusb105.h USB: kl5kusb105.h: checkpatch cleanups 2010-05-20 13:21:47 -07:00
kobil_sct.c USB: kobil: fix memory leak 2010-05-20 13:21:47 -07:00
kobil_sct.h USB: kobil_sct.h: checkpatch cleanups 2010-05-20 13:21:47 -07:00
Makefile USB: add USB serial ssu100 driver 2010-08-10 14:35:44 -07:00
Makefile-keyspan_pda_fw
mct_u232.c USB: serial: refactor generic close 2010-05-20 13:21:33 -07:00
mct_u232.h USB: mct_u232.h: checkpatch cleanups 2010-05-20 13:21:46 -07:00
mos7720.c USB: usbserial: mos7720: cleanup, consolidation, replace send_mos_cmd with {read,write}_mos_reg 2010-05-20 13:21:39 -07:00
mos7840.c USB: mos7840: fix null-pointer dereference 2010-06-04 13:16:18 -07:00
moto_modem.c USB serial: make USB device id constant 2010-03-02 14:54:16 -08:00
navman.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
omninet.c USB: Convert concatenated __FILE__ to %s, __FILE__ 2010-03-02 14:54:59 -08:00
opticon.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
option.c USB: option: add huawei k3765 k4505 devices to work properly 2010-08-10 14:35:43 -07:00
oti6858.c USB: oti6858: use port write fifo 2010-05-20 13:21:49 -07:00
oti6858.h
pl2303.c USB: pl2303: use tty_insert_flip_string_fixed_flag 2010-05-20 13:21:44 -07:00
pl2303.h USB: pl2303.h: checkpatch cleanups 2010-05-20 13:21:47 -07:00
qcaux.c USB: qcaux: add Samsung U520 device ID 2010-05-20 13:21:40 -07:00
qcserial.c USB: New PIDs for Qualcomm gobi 2000 (qcserial) 2010-07-26 12:00:58 -07:00
safe_serial.c USB: safe_serial: straighten out read processing 2010-05-20 13:21:49 -07:00
siemens_mpi.c USB serial: make USB device id constant 2010-03-02 14:54:16 -08:00
sierra.c USB: Add PID for Sierra 250U to drivers/usb/serial/sierra.c 2010-07-26 12:00:57 -07:00
spcp8x5.c USB: spcp8x5: reimplement using generic framework 2010-05-20 13:21:48 -07:00
ssu100.c USB: add USB serial ssu100 driver 2010-08-10 14:35:44 -07:00
symbolserial.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
ti_usb_3410_5052.c USB: ti_usb: use kfifo to implement write buffering 2010-05-20 13:21:50 -07:00
ti_usb_3410_5052.h USB: ti_usb_3410_5052: adding multitech dialup fax/modem devices 2010-04-22 15:18:20 -07:00
usb_debug.c USB: usb_debug: set bulk out size at probe 2010-05-20 13:21:49 -07:00
usb_wwan.c usb serial: Add generic USB wwan support 2010-05-20 13:21:37 -07:00
usb-serial.c USB: serial: enable async suspend for usb serial port device 2010-08-10 14:35:39 -07:00
usb-wwan.h usb serial: Add generic USB wwan support 2010-05-20 13:21:37 -07:00
visor.c USB: visor: increase bulk-out buffer size 2010-05-20 13:21:48 -07:00
visor.h USB: visor.h: checkpatch cleanups 2010-05-20 13:21:47 -07:00
vivopay-serial.c USB: serial: Add support for ViVOtech ViVOpay devices. 2010-03-02 14:54:57 -08:00
whiteheat.c USB: tty: sort out the request_room handling for whiteheat 2010-03-02 14:55:09 -08:00
whiteheat.h whiteheat: coding style 2008-07-22 13:03:22 -07:00
zio.c USB Serial Driver: ZIO Motherboard 2010-05-20 13:21:32 -07:00