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OpenCloudOS-Kernel
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OpenCloudOS-Kernel/drivers/usb/serial
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Luiz Fernando Capitulino 8a4613f01f [PATCH] USB: usbserial: race-condition fix. 
There is a race-condition in usb-serial driver that can be triggered if
a processes does 'port->tty->driver_data = NULL' in serial_close() while
other processes is in kernel-space about to call serial_ioctl() on the
same port.

This happens because a process can open the device while there is
another one closing it.

The patch below fixes that by adding a semaphore to ensure that no
process will open the device while another process is closing it.

Note that we can't use spinlocks here, since serial_open() and
serial_close() can sleep.

Signed-off-by: Luiz Capitulino <lcapitulino@mandriva.com.br>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 		2006-01-04 13:48:35 -08:00
..
ChangeLog.history [PATCH] USB Serial: rename ChangeLog.old 2005-11-17 11:29:52 -08:00
Kconfig [PATCH] USB: add the anydata usb-serial driver 2005-11-17 11:29:55 -08:00
Makefile [PATCH] USB: add the anydata usb-serial driver 2005-11-17 11:29:55 -08:00
Makefile-keyspan_pda_fw Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
airprime.c [PATCH] USB: remove .owner field from struct usb_driver 2006-01-04 13:48:34 -08:00
anydata.c [PATCH] USB: remove .owner field from struct usb_driver 2006-01-04 13:48:34 -08:00
belkin_sa.c [PATCH] USB: remove .owner field from struct usb_driver 2006-01-04 13:48:34 -08:00
belkin_sa.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
bus.c [PATCH] USB Serial: move name to driver structure 2005-10-28 16:47:48 -07:00
console.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
cp2101.c [PATCH] USB: remove .owner field from struct usb_driver 2006-01-04 13:48:34 -08:00
cyberjack.c [PATCH] USB: remove .owner field from struct usb_driver 2006-01-04 13:48:34 -08:00
cypress_m8.c [PATCH] USB: allow usb drivers to disable dynamic ids 2006-01-04 13:48:32 -08:00
cypress_m8.h [PATCH] USB: cypress_m8: add support for the DeLorme Earthmate lt-20 2005-05-16 21:44:26 -07:00
digi_acceleport.c [PATCH] USB: remove .owner field from struct usb_driver 2006-01-04 13:48:34 -08:00
empeg.c [PATCH] USB: remove .owner field from struct usb_driver 2006-01-04 13:48:34 -08:00
ezusb.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
ezusb_convert.pl Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
ftdi_sio.c [PATCH] USB: allow usb drivers to disable dynamic ids 2006-01-04 13:48:32 -08:00
ftdi_sio.h [PATCH] USB: ftdi_sio: new IDs for KOBIL devices 2005-11-23 23:04:27 -08:00
garmin_gps.c [PATCH] USB: remove .owner field from struct usb_driver 2006-01-04 13:48:34 -08:00
generic.c [PATCH] USB: remove .owner field from struct usb_driver 2006-01-04 13:48:34 -08:00
hp4x.c [PATCH] USB: remove .owner field from struct usb_driver 2006-01-04 13:48:34 -08:00
io_16654.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
io_edgeport.c [PATCH] USB: remove .owner field from struct usb_driver 2006-01-04 13:48:34 -08:00
io_edgeport.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
io_fw_boot.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
io_fw_boot2.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
io_fw_down.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
io_fw_down2.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
io_fw_down3.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
io_ionsp.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
io_tables.h [PATCH] USB Serial: move name to driver structure 2005-10-28 16:47:48 -07:00
io_ti.c [PATCH] USB: small cleanups 2006-01-04 13:48:34 -08:00
io_ti.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
io_usbvend.h [PATCH] USB: Spelling fixes for drivers/usb. 2005-05-03 23:31:52 -07:00
ipaq.c [PATCH] USB: remove .owner field from struct usb_driver 2006-01-04 13:48:34 -08:00
ipaq.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
ipw.c [PATCH] USB: remove .owner field from struct usb_driver 2006-01-04 13:48:34 -08:00
ir-usb.c [PATCH] USB: remove .owner field from struct usb_driver 2006-01-04 13:48:34 -08:00
keyspan.c [PATCH] USB: fix up URB_ASYNC_UNLINK usages from the usb-serial drivers 2005-09-08 16:27:55 -07:00
keyspan.h [PATCH] USB: remove .owner field from struct usb_driver 2006-01-04 13:48:34 -08:00
keyspan_mpr_fw.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
keyspan_pda.S Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
keyspan_pda.c [PATCH] USB: remove .owner field from struct usb_driver 2006-01-04 13:48:34 -08:00
keyspan_pda_fw.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
keyspan_usa18x_fw.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
keyspan_usa19_fw.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
keyspan_usa19qi_fw.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
keyspan_usa19qw_fw.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
keyspan_usa19w_fw.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
keyspan_usa26msg.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
keyspan_usa28_fw.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
keyspan_usa28msg.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
keyspan_usa28x_fw.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
keyspan_usa28xa_fw.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
keyspan_usa28xb_fw.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
keyspan_usa49msg.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
keyspan_usa49w_fw.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
keyspan_usa49wlc_fw.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
keyspan_usa90msg.h [PATCH] USB: Spelling fixes for drivers/usb. 2005-05-03 23:31:52 -07:00
kl5kusb105.c [PATCH] USB: remove .owner field from struct usb_driver 2006-01-04 13:48:34 -08:00
kl5kusb105.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
kobil_sct.c [PATCH] USB: remove .owner field from struct usb_driver 2006-01-04 13:48:34 -08:00
kobil_sct.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
mct_u232.c [PATCH] USB: remove .owner field from struct usb_driver 2006-01-04 13:48:34 -08:00
mct_u232.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
omninet.c [PATCH] USB: remove .owner field from struct usb_driver 2006-01-04 13:48:34 -08:00
option.c [PATCH] USB: remove .owner field from struct usb_driver 2006-01-04 13:48:34 -08:00
pl2303.c [PATCH] USB: remove .owner field from struct usb_driver 2006-01-04 13:48:34 -08:00
pl2303.h [PATCH] USB: pl2303: adds new IDs. 2005-11-17 11:29:54 -08:00
safe_serial.c [PATCH] USB: remove .owner field from struct usb_driver 2006-01-04 13:48:34 -08:00
ti_fw_3410.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
ti_fw_5052.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
ti_usb_3410_5052.c [PATCH] USB: remove .owner field from struct usb_driver 2006-01-04 13:48:34 -08:00
ti_usb_3410_5052.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
usb-serial.c [PATCH] USB: usbserial: race-condition fix. 2006-01-04 13:48:35 -08:00
usb-serial.h [PATCH] USB: usbserial: race-condition fix. 2006-01-04 13:48:35 -08:00
visor.c [PATCH] USB: remove .owner field from struct usb_driver 2006-01-04 13:48:34 -08:00
visor.h [PATCH] USB: visor Tapwave Zodiac support patch 2005-04-18 17:39:20 -07:00
whiteheat.c [PATCH] USB: remove .owner field from struct usb_driver 2006-01-04 13:48:34 -08:00
whiteheat.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
whiteheat_fw.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
xircom_pgs.S Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
xircom_pgs_fw.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00