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e91e52e428
linux/drivers/tty
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Peter Hurley e91e52e428 n_tty: Fix stuck throttled driver 
As noted in the following comment:

  /* FIXME: there is a tiny race here if the receive room check runs
     before the other work executes and empties the buffer (upping
     the receiving room and unthrottling. We then throttle and get
     stuck. This has been observed and traced down by Vincent Pillet/
     We need to address this when we sort out out the rx path locking */

Use new safe throttle/unthrottle functions to re-evaluate conditions
if interrupted by the complement flow control function.

Reported-by: Vincent Pillet <vincentx.pillet@intel.com>
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-18 16:11:59 -07:00
..
hvc drivers/tty/hvc: Use strlcpy instead of strncpy 2013-03-05 16:56:27 +11:00
ipwireless tty: ipwireless: Remove redundant NULL check before kfree 2013-03-15 13:58:32 -07:00
serial serial: pch_uart: add console poll support 2013-03-15 13:55:23 -07:00
vt Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2013-02-26 20:16:07 -08:00
amiserial.c TTY: amiserial, use module_platform_driver_probe() 2013-03-15 13:55:23 -07:00
bfin_jtag_comm.c TTY: switch tty_flip_buffer_push 2013-01-15 22:30:15 -08:00
cyclades.c cyclades: push down tty_port_tty_get 2013-01-15 22:43:15 -08:00
ehv_bytechan.c TTY: switch tty_flip_buffer_push 2013-01-15 22:30:15 -08:00
goldfish.c goldfish: move to tty_port for flip buffers 2013-01-25 08:09:38 -08:00
isicom.c TTY: switch tty_flip_buffer_push 2013-01-15 22:30:15 -08:00
Kconfig tty: metag_da: Add metag DA TTY driver 2013-02-06 11:10:17 -08:00
Makefile tty: metag_da: Add metag DA TTY driver 2013-02-06 11:10:17 -08:00
metag_da.c tty: metag_da: avoid getting tty kref in dashtty_timer() 2013-02-06 11:10:17 -08:00
moxa.c TTY: switch tty_schedule_flip 2013-01-15 22:43:15 -08:00
moxa.h
mxser.c tty: mxser: improve error handling in mxser_probe() and mxser_module_init() 2013-02-18 11:05:14 -08:00
mxser.h
n_gsm.c tty: Prevent deadlock in n_gsm driver 2013-01-30 12:10:09 +01:00
n_hdlc.c Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
n_r3964.c tty: localise the lock 2012-08-10 12:55:47 -07:00
n_tracerouter.c
n_tracesink.c
n_tracesink.h
n_tty.c n_tty: Fix stuck throttled driver 2013-03-18 16:11:59 -07:00
nozomi.c TTY: nozomi, remove dead code 2013-01-15 22:43:16 -08:00
pty.c pty: Remove redundant itty reset 2013-03-15 13:00:48 -07:00
rocket_int.h
rocket.c tty: rocket: Explicitly list supported PCI IDs 2013-01-17 17:28:39 -08:00
rocket.h
synclink_gt.c TTY: synclink: Convert + to | for bit operations 2013-01-30 00:09:58 -05:00
synclink.c TTY: synclink: Convert + to | for bit operations 2013-01-30 00:09:58 -05:00
synclinkmp.c TTY: synclink: Convert + to | for bit operations 2013-01-30 00:09:58 -05:00
sysrq.c sysrq: fix inconstistent help message of sysrq key 2013-03-15 14:06:45 -07:00
tty_audit.c TTY: audit, stop accessing tty->icount 2012-10-22 16:50:54 -07:00
tty_buffer.c pps: Move timestamp read into PPS code proper 2013-02-13 10:13:58 -08:00
tty_io.c tty: Signal SIGHUP before hanging up ldisc 2013-03-15 14:02:33 -07:00
tty_ioctl.c tty: Add safe tty throttle/unthrottle functions 2013-03-18 16:11:59 -07:00
tty_ldisc.c tty: don't deadlock while flushing workqueue 2013-01-15 23:07:15 -08:00
tty_mutex.c tty: tty_mutex.c: Fixed coding style warning (using printk) 2012-10-24 11:34:51 -07:00
tty_port.c TTY: introduce tty_port_destroy 2012-11-15 17:20:58 -08:00