Alexey Dobriyan ca509f69de Protect tty drivers list with tty_mutex ... Additions and removal from tty_drivers list were just done as well as iterating on it for /proc/tty/drivers generation. testing: modprobe/rmmod loop of simple module which does nothing but tty_register_driver() vs cat /proc/tty/drivers loop BUG: unable to handle kernel paging request at virtual address 6b6b6b6b printing eip: c01cefa7 *pde = 00000000 Oops: 0000 [#1] PREEMPT last sysfs file: devices/pci0000:00/0000:00:1d.7/usb5/5-0:1.0/bInterfaceProtocol Modules linked in: ohci_hcd af_packet e1000 ehci_hcd uhci_hcd usbcore xfs CPU: 0 EIP: 0060:[<c01cefa7>] Not tainted VLI EFLAGS: 00010297 (2.6.21-rc4-mm1 #4) EIP is at vsnprintf+0x3a4/0x5fc eax: 6b6b6b6b ebx: f6cb50f2 ecx: 6b6b6b6b edx: fffffffe esi: c0354700 edi: f6cb6000 ebp: 6b6b6b6b esp: f31f5e68 ds: 007b es: 007b fs: 00d8 gs: 0033 ss: 0068 Process cat (pid: 31864, ti=f31f4000 task=c1998030 task.ti=f31f4000) Stack: 00000000 c0103f20 c013003a c0103f20 00000000 f6cb50da 0000000a 00000f0e f6cb50f2 00000010 00000014 ffffffff ffffffff 00000007 c0354753 f6cb50f2 f73e39dc f73e39dc 00000001 c0175416 f31f5ed8 f31f5ed4 0ee00000 f32090bc Call Trace: [<c0103f20>] restore_nocheck+0x12/0x15 [<c013003a>] mark_held_locks+0x6d/0x86 [<c0103f20>] restore_nocheck+0x12/0x15 [<c0175416>] seq_printf+0x2e/0x52 [<c0192895>] show_tty_range+0x35/0x1f3 [<c0175416>] seq_printf+0x2e/0x52 [<c0192add>] show_tty_driver+0x8a/0x1d9 [<c01758f6>] seq_read+0x70/0x2ba [<c0175886>] seq_read+0x0/0x2ba [<c018d8e6>] proc_reg_read+0x63/0x9f [<c015e764>] vfs_read+0x7d/0xb5 [<c018d883>] proc_reg_read+0x0/0x9f [<c015eab1>] sys_read+0x41/0x6a [<c0103e4e>] sysenter_past_esp+0x5f/0x99 ======================= Code: 00 8b 4d 04 e9 44 ff ff ff 8d 4d 04 89 4c 24 50 8b 6d 00 81 fd ff 0f 00 00 b8 a4 c1 35 c0 0f 46 e8 8b 54 24 2c 89 e9 89 c8 eb 06 <80> 38 00 74 07 40 4a 83 fa ff 75 f4 29 c8 89 c6 8b 44 24 28 89 EIP: [<c01cefa7>] vsnprintf+0x3a4/0x5fc SS:ESP 0068:f31f5e68 Signed-off-by: Alexey Dobriyan <adobriyan@sw.ru> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		2007-05-08 11:15:05 -07:00
..
acorn
acpi	Fix section mismatch of memory hotplug related code.	2007-05-08 11:14:57 -07:00
amba
ata	Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm	2007-05-06 13:20:10 -07:00
atm	PCI: Cleanup the includes of <linux/pci.h>	2007-05-02 19:02:35 -07:00
auxdisplay
base	Introduce CONFIG_HAS_DMA	2007-05-07 12:12:51 -07:00
block	floppy: handle device_create_file() failure while init	2007-05-08 11:15:02 -07:00
bluetooth	[Bluetooth] Correct SCO buffer for another Broadcom based dongle	2007-05-05 00:36:22 +02:00
cdrom	mm: remove destroy_dirty_buffers from invalidate_bdev()	2007-05-07 12:12:55 -07:00
char	Protect tty drivers list with tty_mutex	2007-05-08 11:15:05 -07:00
clocksource
connector
cpufreq
crypto	[CRYPTO] padlock: Remove pointless padlock module	2007-05-02 22:08:26 +10:00
dio
dma
edac
eisa	virtual_eisa_root_init() should be __init	2007-05-08 11:15:02 -07:00
fc4
firmware	remove "struct subsystem" as it is no longer needed	2007-05-02 18:57:59 -07:00
hid
hwmon	Apple SMC driver (hardware monitoring and control)	2007-05-08 11:15:00 -07:00
i2c	remove software_suspend()	2007-05-07 12:12:59 -07:00
ide	ide-cs: recognize 2GB CompactFlash from Transcend	2007-05-05 22:03:51 +02:00
ieee1394	PCI: Cleanup the includes of <linux/pci.h>	2007-05-02 19:02:35 -07:00
infiniband	Merge branch 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband	2007-05-07 12:18:21 -07:00
input	sh: hp6xx driver compile fixes.	2007-05-07 02:10:54 +00:00
isdn	PCI: Cleanup the includes of <linux/pci.h>	2007-05-02 19:02:35 -07:00
kvm	KVM: Remove unused 'instruction_length'	2007-05-03 10:52:32 +03:00
leds
macintosh	CUDA ADB fixes	2007-05-04 17:59:07 -07:00
mca
md	Remove do_sync_file_range()	2007-05-08 11:15:04 -07:00
media	cx88-video build fix	2007-05-07 12:13:04 -07:00
message	remove unused header file: drivers/message/i2o/i2o_lan.h	2007-05-08 11:15:02 -07:00
mfd
misc	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc	2007-05-04 21:44:34 -07:00
mmc	Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm	2007-05-06 13:20:10 -07:00
mtd	slab allocators: Remove SLAB_DEBUG_INITIAL flag	2007-05-07 12:12:57 -07:00
net	Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6	2007-05-07 12:23:31 -07:00
nubus
oprofile
parisc	Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6	2007-05-04 19:36:58 -07:00
parport
pci	Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/driver-2.6	2007-05-04 18:04:48 -07:00
pcmcia	add new_id to PCMCIA drivers	2007-05-07 12:12:50 -07:00
pnp	init dma masks in pnp_dev	2007-05-08 11:15:00 -07:00
ps3	ps3av: Use __func__ instead of __FUNCTION__	2007-05-04 17:59:09 -07:00
rapidio
rtc	rtc: add RTC class driver for the Maxim MAX6900	2007-05-08 11:15:03 -07:00
s390	Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6	2007-05-05 13:30:44 -07:00
sbus	PCI: Cleanup the includes of <linux/pci.h>	2007-05-02 19:02:35 -07:00
scsi	[SCSI] esp_scsi: Fix section mismatch warnings.	2007-05-07 14:05:03 -07:00
serial	Subject: jsm driver fix for linuxpps support	2007-05-08 11:15:03 -07:00
sh
sn
spi	spi_s3c24xx.c: Fix build	2007-05-07 12:13:04 -07:00
tc
telephony	replace pci_find_device in drivers/telephony/ixj.c	2007-05-08 11:15:02 -07:00
usb	ehci-ps3, ohci-ps3: fix compilation	2007-05-07 12:13:04 -07:00
video	[VIDEO] sunxvr2500: Fix PCI device ID table.	2007-05-07 14:02:51 -07:00
w1
zorro	Amiga Zorro bus: kill resource_size_t warnings	2007-05-04 17:59:08 -07:00
Kconfig
Makefile	i2c: Add i2c_board_info and i2c_new_device()	2007-05-01 23:26:31 +02:00