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Jiri Slaby 967fab6916 TTY: add port -> tty link 
For that purpose we have to temporarily introduce a second tty back
pointer into tty_port. It is because serial layer, and maybe others,
still do not use tty_port_tty_set/get. So that we cannot set the
tty_port->tty to NULL at will now.

Yes, the fix would be to convert whole serial layer and all its users
to tty_port_tty_set/get. However we are in the process of removing the
need of tty in most of the call sites, so this would lead to a
duplicated work.

Instead we have now tty_port->itty (internal tty) which will be used
only in flush_to_ldisc. For that one it is ensured that itty is valid
wherever the work is run. IOW, the work is synchronously cancelled
before we set itty to NULL and also before hangup is processed.

After we need only tty_port and not tty_struct in most code, this
shall be changed to tty_port_tty_set/get and itty removed completely.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Acked-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2012-10-22 16:53:40 -07:00
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accessibility
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acpi ACPI: Reorder IPMI driver before any other ACPI drivers 2012-10-16 18:07:12 -07:00
amba
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ata Merge branch 'samsung_platform_data' into staging/for_v3.7 2012-10-05 22:32:05 -03:00
atm sections: fix section conflicts in drivers/atm 2012-10-06 03:04:40 +09:00
auxdisplay
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base memory-hotplug: update memory block's state and notify userspace 2012-10-09 16:23:02 +09:00
bcma Merge commit '371a00448f95adaa612cf1a0b31a11e7093bc706' of 'git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git' 2012-09-29 15:37:49 +01:00
block Merge branch 'for-3.7/core' of git://git.kernel.dk/linux-block 2012-10-11 09:04:23 +09:00
bluetooth TTY: hci_ldisc, remove invalid check in open 2012-10-22 16:50:53 -07:00
bus drivers: bus: omap_l3: fixup merge conflict resolution 2012-10-01 19:39:48 -07:00
cdrom
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char Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux 2012-10-16 18:14:31 -07:00
clk spi: Updates for v3.7 2012-10-02 17:26:42 -07:00
clocksource Power management updates for 3.7-rc1 2012-10-02 18:32:35 -07:00
connector Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2012-10-02 13:38:27 -07:00
cpufreq cpufreq: OMAP: use get_cpu_device() instead of omap_device API 2012-10-08 14:58:56 -07:00
cpuidle ACPI idle, CPU hotplug: Fix NULL pointer dereference during hotplug 2012-10-08 22:52:54 -04:00
crypto ARM: soc: late platform updates 2012-10-07 20:55:16 +09:00
dca
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devfreq
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dio
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dma Merge branch 'next' of git://git.infradead.org/users/vkoul/slave-dma 2012-10-10 11:10:41 +09:00
edac Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 2012-10-06 03:16:12 +09:00
eisa
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extcon Merge branch 'for-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq 2012-10-02 09:54:49 -07:00
firewire firewire: cdev: fix user memory corruption (i386 userland on amd64 kernel) 2012-10-09 18:26:28 +02:00
firmware firmware/memmap: avoid type conflicts with the generic memmap_init() 2012-10-19 14:07:47 -07:00
gpio gpio: mvebu: Add missing breaks in mvebu_gpio_irq_set_type 2012-10-17 17:40:18 +00:00
gpu nouveau: fix warning on 32-bit build. 2012-10-16 16:40:53 +10:00
hid Merge branch 'next' into for-linus 2012-10-11 00:45:21 -07:00
hsi
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hv
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hwmon hwmon: (coretemp) Add support for Atom CE4110/4150/4170 2012-10-14 15:21:33 -07:00
hwspinlock
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i2c Merge branch 'i2c-embedded/for-next' of git://git.pengutronix.de/git/wsa/linux 2012-10-11 10:27:51 +09:00
ide sections: fix section conflicts in drivers/ide 2012-10-06 03:04:41 +09:00
idle intel_idle: enable IVB Xeon support 2012-09-26 22:28:21 -04:00
iio
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infiniband Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending 2012-10-10 19:52:19 +09:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2012-10-13 10:56:03 +09:00
iommu IOMMU Updates for Linux v3.7-rc1 2012-10-08 06:33:44 +09:00
irqchip irqchip: fill in empty Kconfig 2012-09-24 10:07:40 -07:00
isdn isdn: fix a wrapping bug in isdn_ppp_ioctl() 2012-10-10 22:50:45 -04:00
leds Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds 2012-10-10 20:14:07 +09:00
lguest Merge branch 'virtio-next' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux 2012-10-07 21:04:56 +09:00
macintosh Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 2012-10-06 03:16:12 +09:00
md md updates for 3.7 2012-10-13 13:22:01 -07:00
media [media] Kconfig: Fix dependencies for driver autoselect options 2012-10-17 16:45:56 -03:00
memory memory: tegra{20,30}-mc: Fix reading incorrect register in mc_readl() 2012-09-26 14:04:09 -07:00
memstick
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message
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mfd 1. New drivers: 2012-10-07 17:29:24 +09:00
misc pwm: Changes for v3.7-rc1 2012-10-10 20:15:24 +09:00
mmc mmc: mxs-mmc: Fix merge issue causing build error 2012-10-11 17:21:40 -04:00
mtd mtd: Disable mtdchar mmap on MMU systems 2012-10-09 15:08:42 +01:00
net bnx2x: fix handling mf storage modes 2012-10-16 14:41:47 -04:00
nfc NFC: Fix missing mutex unlock in pn533_send_cmd_frame_async 2012-09-27 10:47:48 +02:00
nubus
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of of/platform: sparse fix 2012-10-17 15:53:03 -05:00
oprofile mm: use mm->exe_file instead of first VM_EXECUTABLE vma->vm_file 2012-10-09 16:22:18 +09:00
parisc
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parport Xtensa patchset for 3.7 2012-10-09 16:11:46 +09:00
pci Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 2012-10-06 03:16:12 +09:00
pcmcia Merge branch 'testing/driver-warnings' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc into fixes 2012-10-19 15:40:18 -07:00
pinctrl pinctrl/nomadik: always use the simple irqdomain 2012-10-15 09:09:27 +02:00
platform Merge branches 'fixes-for-37', 'ec' and 'thermal' into release 2012-10-09 01:47:35 -04:00
pnp
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power Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux 2012-10-13 11:27:59 +09:00
pps idr: rename MAX_LEVEL to MAX_IDR_LEVEL 2012-10-06 03:04:56 +09:00
ps3
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ptp
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pwm pwm: Changes for v3.7-rc1 2012-10-10 20:15:24 +09:00
rapidio rapidio: update for destination ID allocation 2012-10-11 08:50:15 +09:00
regulator MFD bits for the 3.7 merge window. 2012-10-05 12:01:30 +09:00
remoteproc Merge branch 'virtio-next' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux 2012-10-07 21:04:56 +09:00
rpmsg Merge branch 'virtio-next' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux 2012-10-07 21:04:56 +09:00
rtc rtc: kconfig: fix RTC_INTF defaults connected to RTC_CLASS 2012-10-11 08:50:16 +09:00
s390 qeth: fix deadlock between recovery and bonding driver 2012-10-16 14:41:46 -04:00
sbus
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scsi Merge branch 'testing/driver-warnings' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc into fixes 2012-10-19 15:40:18 -07:00
sfi
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sh sh: Fix up more fallout from pointless ARM __iomem churn. 2012-10-15 14:08:48 +09:00
sn
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spi Merge branch 'testing/driver-warnings' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc into fixes 2012-10-19 15:40:18 -07:00
ssb
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staging staging: dgrp: check return value of alloc_tty_driver 2012-10-17 14:10:10 -07:00
target Merge branch 'for-3.7/core' of git://git.kernel.dk/linux-block 2012-10-11 09:04:23 +09:00
tc
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thermal thermal, cpufreq: Fix build when CPU_FREQ_TABLE isn't configured 2012-10-15 14:00:07 -07:00
tty TTY: add port -> tty link 2012-10-22 16:53:40 -07:00
uio mm: kill vma flag VM_RESERVED and mm->reserved_vm counter 2012-10-09 16:22:19 +09:00
usb ARM: soc: Fixes for 3.7-rc2 2012-10-19 17:32:37 -07:00
uwb
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vfio vfio: Fix PCI INTx disable consistency 2012-10-10 09:10:32 -06:00
vhost Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending 2012-10-10 19:52:19 +09:00
video drivers/video/backlight/lm3639_bl.c: return proper error in lm3639_bled_mode_store() error paths 2012-10-19 14:07:47 -07:00
virt
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virtio virtio_mmio: Don't attempt to create empty virtqueues 2012-09-28 15:05:16 +09:30
vlynq
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vme
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w1 char/misc driver merge for 3.7-rc1 2012-10-01 12:09:59 -07:00
watchdog Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu 2012-10-07 21:06:10 +09:00
xen xen: Fix annoying compile-time warning 2012-10-19 11:54:21 -07:00
zorro
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Kconfig ARM: soc: driver specific changes 2012-10-01 18:46:13 -07:00
Makefile IPMI: Change link order 2012-10-16 18:07:12 -07:00