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263256d70931663c62b1699c007a853e3a6db2ea
linux/drivers/char
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Jiri Slaby 004e147bd3 TTY: ldisc, fix open flag handling 
commit 7f90cfc505 upstream.

When a concrete ldisc open fails in tty_ldisc_open, we forget to clear
TTY_LDISC_OPEN. This causes a false warning on the next ldisc open:
WARNING: at drivers/char/tty_ldisc.c:445 tty_ldisc_open+0x26/0x38()
Hardware name: System Product Name
Modules linked in: ...
Pid: 5251, comm: a.out Tainted: G        W  2.6.32-5-686 #1
Call Trace:
 [<c1030321>] ? warn_slowpath_common+0x5e/0x8a
 [<c1030357>] ? warn_slowpath_null+0xa/0xc
 [<c119311c>] ? tty_ldisc_open+0x26/0x38
 [<c11936c5>] ? tty_set_ldisc+0x218/0x304
...

So clear the bit when failing...

Introduced in c65c9bc3ef (tty: rewrite the ldisc locking) back in
2.6.31-rc1.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Alan Cox <alan@linux.intel.com>
Reported-by: Sergey Lapin <slapin@ossfans.org>
Tested-by: Sergey Lapin <slapin@ossfans.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-12-09 13:26:47 -08:00
..
agp
sis-agp: Remove SIS 760, handled by amd64-agp
2010-09-26 17:21:42 -07:00
hw_random
move virtrng_remove to .devexit.text
2009-10-22 16:39:34 +10:30
ip2
tty: rewrite the ldisc locking
2009-06-11 08:51:01 -07:00
ipmi
ipmi: handle run_to_completion properly in deliver_recv_msg()
2010-07-05 11:10:57 -07:00
mwave
mwave: fix read buffer overflow
2009-09-24 07:21:03 -07:00
pcmcia
pcmcia: synclink_cs: fix information leak to userland
2010-11-22 10:47:30 -08:00
rio
headers: remove sched.h from interrupt.h
2009-10-11 11:20:58 -07:00
tpm
tpm_tis: fix subsequent suspend failures
2010-08-02 10:20:50 -07:00
xilinx_hwicap
const: constify remaining file_operations
2009-10-01 16:11:11 -07:00
.gitignore
[MIPS] Remove IT8172-based platforms, ITE 8172G and Globespan IVR support.
2006-10-03 17:59:17 +01:00
amiserial.c
headers: smp_lock.h redux
2009-07-12 12:22:34 -07:00
apm-emulation.c
const: constify remaining file_operations
2009-10-01 16:11:11 -07:00
applicom.c
headers: remove sched.h from interrupt.h
2009-10-11 11:20:58 -07:00
applicom.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
bfin_jtag_comm.c
bfin_jtag_comm: clean up printk usage
2009-06-22 11:32:23 -07:00
bfin-otp.c
const: constify remaining file_operations
2009-10-01 16:11:11 -07:00
briq_panel.c
briq_panel: BKL pushdown
2008-06-20 14:05:55 -06:00
bsr.c
powerpc/BSR: Fix BSR to allow mmap of small BSR on 64k kernel
2009-06-26 14:37:26 +10:00
cd1865.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
ChangeLog
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
consolemap.c
consolemap: indentation & braces disagree - reindent
2009-01-06 15:59:30 -08:00
cp437.uni
unicode table for cp437
2008-12-13 11:25:49 -08:00
cs5535_gpio.c
Add a bunch of cycle_kernel_lock() calls
2008-06-20 14:05:53 -06:00
cyclades.c
cyclades: fix read buffer overflow
2009-10-01 16:11:16 -07:00
defkeymap.c_shipped
Fix default compose table initialization
2008-03-03 14:53:16 -08:00
defkeymap.map
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
digi1.h
[PATCH] Clean up the old digi support and rescue it
2005-09-07 16:57:20 -07:00
digiFep1.h
[PATCH] Clean up the old digi support and rescue it
2005-09-07 16:57:20 -07:00
digiPCI.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
ds1302.c
rtc: use bcd2bin/bin2bcd
2008-10-20 08:52:41 -07:00
ds1620.c
[ARM] netwinder: clean up GPIO naming
2008-12-13 09:12:07 +00:00
dsp56k.c
device create: char: convert device_create_drvdata to device_create
2008-10-16 09:24:42 -07:00
dtlk.c
headers: remove sched.h from poll.h
2009-10-04 15:05:10 -07:00
efirtc.c
drivers/char/efirtc.c: removed duplicated #include
2008-08-04 16:59:56 -07:00
epca.c
headers: remove sched.h from interrupt.h
2009-10-11 11:20:58 -07:00
epca.h
epca: use tty_port
2008-07-20 17:12:36 -07:00
epcaconfig.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
esp.c
serial: move delta_msr_wait into the tty_port
2009-09-19 13:13:31 -07:00
generic_nvram.c
powerpc/nvram: Enable use Generic NVRAM driver for different size chips
2009-09-11 16:02:11 +10:00
generic_serial.c
headers: remove sched.h from interrupt.h
2009-10-11 11:20:58 -07:00
genrtc.c
headers: Fix build after <linux/sched.h> removal
2009-10-13 10:20:16 -07:00
hangcheck-timer.c
drivers/char/: Spelling fixes
2008-02-03 17:11:42 +02:00
hpet.c
hpet: unmap unused I/O space
2010-12-09 13:26:36 -08:00
hvc_beat.c
powerpc/cell: Use correct types in beat files
2009-01-08 16:25:16 +11:00
hvc_console.c
hvc_console: Provide (un)locked version for hvc_resize()
2009-09-24 15:12:47 +10:00
hvc_console.h
hvc_console: Provide (un)locked version for hvc_resize()
2009-09-24 15:12:47 +10:00
hvc_irq.c
hvc_console: Call free_irq() only if request_irq() was successful
2009-01-13 14:48:01 +11:00
hvc_iseries.c
drivers/hvc: Add missing __devexit_p()
2009-06-16 14:15:44 +10:00
hvc_iucv.c
hvc_console: Provide (un)locked version for hvc_resize()
2009-09-24 15:12:47 +10:00
hvc_rtas.c
[POWERPC] hvc_rtas_init() must be __init
2008-02-14 22:11:02 +11:00
hvc_udbg.c
powerpc: udbg-based backend for hvc_console
2008-11-19 16:04:25 +11:00
hvc_vio.c
hvc_console: Add __init and __exit to hvc_vio
2009-08-28 14:24:11 +10:00
hvc_xen.c
xen/hvc: make sure console output is always emitted, with explicit polling
2009-11-03 11:05:51 -08:00
hvcs.c
Merge commit 'origin/master' into next
2009-06-18 11:16:55 +10:00
hvsi.c
powerpc/hvsi: Avoid calculating possibly-invalid address
2009-08-20 10:29:28 +10:00
i8k.c
i8k: Add Dell Vostro systems
2009-01-02 10:28:32 -08:00
isicom.c
isicom: split the open method for the isicom device
2009-09-19 13:13:27 -07:00
istallion.c
headers: remove sched.h from interrupt.h
2009-10-11 11:20:58 -07:00
Kconfig
tty: Mark generic_serial users as BROKEN
2009-10-30 14:43:12 -07:00
keyboard.c
Input: keyboard - fix braille keyboard keysym generation
2009-11-25 23:05:17 -08:00
lp.c
device create: char: convert device_create_drvdata to device_create
2008-10-16 09:24:42 -07:00
Makefile
drivers/char/uv_mmtimer.c: add memory mapped RTC driver for UV
2009-09-24 07:21:03 -07:00
mbcs.c
[IA64] mbcs: fix printk format warnings
2009-09-15 08:42:00 -07:00
mbcs.h
MBCS: convert dmareadlock to mutex
2008-02-07 08:42:25 -08:00
mem.c
char: Mark /dev/zero and /dev/kmem as not capable of writeback
2010-09-26 17:21:26 -07:00
misc.c
seq_file: constify seq_operations
2009-09-23 07:39:29 -07:00
mmtimer.c
mmtimer: Push BKL down into the ioctl handler
2008-07-17 11:34:49 -07:00
moxa.c
headers: smp_lock.h redux
2009-07-12 12:22:34 -07:00
moxa.h
Char: moxa, cleanup rx/tx
2008-04-30 08:29:43 -07:00
mspec.c
const: mark struct vm_struct_operations
2009-09-27 11:39:25 -07:00
mxser.c
tty: Char: mxser, use THRE for ASPP_OQUEUE ioctl
2009-09-19 13:13:38 -07:00
mxser.h
mxser: convert large macros to functions
2008-04-30 08:29:49 -07:00
n_hdlc.c
headers: smp_lock.h redux
2009-07-12 12:22:34 -07:00
n_r3964.c
headers: smp_lock.h redux
2009-07-12 12:22:34 -07:00
n_tty.c
n_tty: move echoctl check and clean up logic
2009-09-19 13:13:34 -07:00
nozomi.c
nozomi: quick fix for the close/close bug
2010-01-25 10:49:20 -08:00
nsc_gpio.c
[PATCH] struct path: convert char-drivers
2006-12-08 08:28:44 -08:00
nvram.c
nvram: Fix write beyond end condition; prove to gcc copy is safe
2010-08-13 13:19:31 -07:00
nwbutton.c
[PATCH] Char: timers cleanup
2007-02-12 09:48:30 -08:00
nwbutton.h
IRQ: Maintain regs pointer globally rather than passing to IRQ handlers
2006-10-05 15:10:12 +01:00
nwflash.c
[ARM] netwinder: clean up GPIO naming
2008-12-13 09:12:07 +00:00
pc8736x_gpio.c
pc8736x_gpio: add support for PC87365 chips
2008-10-20 08:52:40 -07:00
ppdev.c
ppdev: reduce kernel log spam
2009-06-18 13:03:54 -07:00
ps3flash.c
ps3flash: Always read chunks of 256 KiB, and cache them
2009-06-15 16:47:27 +10:00
pty.c
headers: remove sched.h from interrupt.h
2009-10-11 11:20:58 -07:00
random.c
random: Remove unused inode variable
2010-02-09 04:50:58 -08:00
raw.c
raw: fsync method is now required
2010-04-26 07:41:19 -07:00
riscom8_reg.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
riscom8.c
tty: riscom8, fix tty refcnt
2009-09-19 13:13:37 -07:00
riscom8.h
tty: add more tty_port fields
2008-07-20 17:12:38 -07:00
rocket_int.h
tty: rocketport uses different port flags to everyone else
2009-01-02 10:19:39 -08:00
rocket.c
headers: smp_lock.h redux
2009-07-12 12:22:34 -07:00
rocket.h
tty: rocketport uses different port flags to everyone else
2009-01-02 10:19:39 -08:00
rtc.c
headers: Fix build after <linux/sched.h> removal
2009-10-13 10:20:16 -07:00
scc.h
m68k: atari - Rename "mfp" to "st_mfp"
2009-02-22 09:23:02 -08:00
scx200_gpio.c
Add a bunch of cycle_kernel_lock() calls
2008-06-20 14:05:53 -06:00
selection.c
tty: rewrite the ldisc locking
2009-06-11 08:51:01 -07:00
ser_a2232.c
headers: remove sched.h from interrupt.h
2009-10-11 11:20:58 -07:00
ser_a2232.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
ser_a2232fw.ax
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
ser_a2232fw.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
serial167.c
serial167: fix read buffer overflow
2009-10-01 16:11:16 -07:00
snsc_event.c
byteorder: don't directly include linux/byteorder/generic.h
2008-05-16 12:01:45 -07:00
snsc.c
device create: char: convert device_create_drvdata to device_create
2008-10-16 09:24:42 -07:00
snsc.h
Convert asm/semaphore.h users to linux/semaphore.h
2008-04-18 22:22:54 -04:00
sonypi.c
headers: Fix build after <linux/sched.h> removal
2009-10-13 10:20:16 -07:00
specialix_io8.h
tty: add more tty_port fields
2008-07-20 17:12:38 -07:00
specialix.c
specialix.c: convert nested spin_lock_irqsave to spin_lock
2009-07-20 16:38:43 -07:00
stallion.c
headers: remove sched.h from interrupt.h
2009-10-11 11:20:58 -07:00
sx.c
headers: smp_lock.h redux
2009-07-12 12:22:34 -07:00
sx.h
Char: char/serial, remove SERIAL_TYPE_NORMAL redefines
2008-02-07 08:42:33 -08:00
sxboards.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
sxwindow.h
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
synclink_gt.c
hdlc: convert to netdev_tx_t
2009-09-01 01:13:31 -07:00
synclink.c
hdlc: convert to netdev_tx_t
2009-09-01 01:13:31 -07:00
synclinkmp.c
hdlc: convert to netdev_tx_t
2009-09-01 01:13:31 -07:00
sysrq.c
perf: Do the big rename: Performance Counters -> Performance Events
2009-09-21 14:28:04 +02:00
tb0219.c
Update Yoichi Yuasa's e-mail address
2009-07-03 15:45:29 +01:00
tlclk.c
headers: remove sched.h from interrupt.h
2009-10-11 11:20:58 -07:00
toshiba.c
toshiba: use ioremap_cached
2008-04-30 23:15:34 +02:00
tty_audit.c
tty: remove buffer special casing
2009-06-11 08:51:02 -07:00
tty_buffer.c
tty: prevent DOS in the flush_to_ldisc
2010-12-09 13:26:46 -08:00
tty_io.c
tty: release_one_tty() forgets to put pids
2010-04-26 07:41:18 -07:00
tty_ioctl.c
tty: vt: use printk_once
2009-09-19 13:13:35 -07:00
tty_ldisc.c
TTY: ldisc, fix open flag handling
2010-12-09 13:26:47 -08:00
tty_port.c
tty_port: handle the nonblocking open of a dead port corner case
2009-11-30 16:38:25 -08:00
uv_mmtimer.c
drivers/char/uv_mmtimer.c: add memory mapped RTC driver for UV
2009-09-24 07:21:03 -07:00
vc_screen.c
vc: create vcs(a) devices for consoles
2009-07-20 16:38:43 -07:00
viotape.c
tape: beyond ARRAY_SIZE of viocd_diskinfo
2009-06-02 10:32:34 +10:00
virtio_console.c
virtio: let header files include virtio_ids.h
2009-10-22 16:39:28 +10:30
vme_scc.c
m68k: vme_scc - Kill warn_unused_result warnings
2009-01-12 20:56:38 +01:00
vt_ioctl.c
drivers/char/vt_ioctl.c: fix VT_OPENQRY error value
2010-12-09 13:26:44 -08:00
vt.c
tty: vt: use printk_once
2009-09-19 13:13:35 -07:00