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Eric W. Biederman 98a27ba485 tty: introduce no_tty and use it in selinux ... While researching the tty layer pid leaks I found a weird case in selinux when we drop a controlling tty because of inadequate permissions we don't do the normal hangup processing. Which is a problem if it happens the session leader has exec'd something that can no longer access the tty. We already have code in the kernel to handle this case in the form of the TIOCNOTTY ioctl. So this patch factors out a helper function that is the essence of that ioctl and calls it from the selinux code. This removes the inconsistency in handling dropping of a controlling tty and who knows it might even make some part of user space happy because it received a SIGHUP it was expecting. In addition since this removes the last user of proc_set_tty outside of tty_io.c proc_set_tty is made static and removed from tty.h Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Acked-by: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: James Morris <jmorris@namei.org> Cc: Stephen Smalley <sds@tycho.nsa.gov> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		18 years ago
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acorn	…
acpi	Fix section mismatch of memory hotplug related code.	18 years ago
amba	…
ata	Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm	18 years ago
atm	PCI: Cleanup the includes of <linux/pci.h>	18 years ago
auxdisplay	…
base	Introduce CONFIG_HAS_DMA	18 years ago
block	floppy: handle device_create_file() failure while init	18 years ago
bluetooth	[Bluetooth] Correct SCO buffer for another Broadcom based dongle	18 years ago
cdrom	mm: remove destroy_dirty_buffers from invalidate_bdev()	18 years ago
char	tty: introduce no_tty and use it in selinux	18 years ago
clocksource	…
connector	…
cpufreq	…
crypto	[CRYPTO] padlock: Remove pointless padlock module	18 years ago
dio	…
dma	…
edac	…
eisa	virtual_eisa_root_init() should be __init	18 years ago
fc4	…
firmware	remove "struct subsystem" as it is no longer needed	18 years ago
hid	Merge branch 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jikos/hid	18 years ago
hwmon	Apple SMC driver (hardware monitoring and control)	18 years ago
i2c	remove software_suspend()	18 years ago
ide	ide-cs: recognize 2GB CompactFlash from Transcend	18 years ago
ieee1394	PCI: Cleanup the includes of <linux/pci.h>	18 years ago
infiniband	Merge branch 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband	18 years ago
input	sh: hp6xx driver compile fixes.	18 years ago
isdn	PCI: Cleanup the includes of <linux/pci.h>	18 years ago
kvm	KVM: Remove unused 'instruction_length'	18 years ago
leds	…
macintosh	CUDA ADB fixes	18 years ago
mca	…
md	mm: remove destroy_dirty_buffers from invalidate_bdev()	18 years ago
media	cx88-video build fix	18 years ago
message	remove unused header file: drivers/message/i2o/i2o_lan.h	18 years ago
mfd	…
misc	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc	18 years ago
mmc	Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm	18 years ago
mtd	slab allocators: Remove SLAB_DEBUG_INITIAL flag	18 years ago
net	Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6	18 years ago
nubus	…
oprofile	…
parisc	Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6	18 years ago
parport	…
pci	Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/driver-2.6	18 years ago
pcmcia	add new_id to PCMCIA drivers	18 years ago
pnp	init dma masks in pnp_dev	18 years ago
ps3	ps3av: Use __func__ instead of __FUNCTION__	18 years ago
rapidio	…
rtc	rtc: add RTC class driver for the Maxim MAX6900	18 years ago
s390	Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6	18 years ago
sbus	PCI: Cleanup the includes of <linux/pci.h>	18 years ago
scsi	[SCSI] esp_scsi: Fix section mismatch warnings.	18 years ago
serial	Subject: jsm driver fix for linuxpps support	18 years ago
sh	…
sn	…
spi	spi_s3c24xx.c: Fix build	18 years ago
tc	…
telephony	replace pci_find_device in drivers/telephony/ixj.c	18 years ago
usb	ehci-ps3, ohci-ps3: fix compilation	18 years ago
video	[VIDEO] sunxvr2500: Fix PCI device ID table.	18 years ago
w1	…
zorro	Amiga Zorro bus: kill resource_size_t warnings	18 years ago
Kconfig	…
Makefile	i2c: Add i2c_board_info and i2c_new_device()	18 years ago