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Johan Hovold eb8878a881 USB: serial: use port endpoint size to determine if ep is available 
It is possible to have a multi-port device with a port lacking an in or
out bulk endpoint. Only checking for num_bulk_in or num_bulk_out is thus not
sufficient to determine whether a specific port has an in or out bulk
endpoint.

This fixes potential null pointer dereferences in the generic open and
write routines, as well as access to uninitialised fifo in write_room
and chars_in_buffer.

Also let write fail with ENODEV (instead of 0) on missing out endpoint
(also on zero-length writes).

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 		2010-03-19 07:24:03 -07:00
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accessibility
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acpi Merge branches 'battery-2.6.34', 'bugzilla-10805', 'bugzilla-14668', 'bugzilla-531916-power-state', 'ht-warn-2.6.34', 'pnp', 'processor-rename', 'sony-2.6.34', 'suse-bugzilla-531547', 'tz-check', 'video' and 'misc-2.6.34' into release 2010-03-14 21:30:17 -04:00
amba
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ata Merge branch 'for-next' into for-linus 2010-03-08 16:55:37 +01:00
atm
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auxdisplay auxdisplay: move cfag12864bfb's probe function to .devinit.text 2010-03-07 17:04:50 -08:00
base Driver core: create lock/unlock functions for struct device 2010-03-07 17:04:52 -08:00
block Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2010-03-12 16:04:50 -08:00
bluetooth
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cdrom
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char Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2010-03-13 14:45:49 -08:00
clocksource MFGPT: move clocksource menu 2010-03-06 11:26:28 -08:00
connector
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cpufreq Driver core: Constify struct sysfs_ops in struct kobj_type 2010-03-07 17:04:49 -08:00
cpuidle Driver core: Constify struct sysfs_ops in struct kobj_type 2010-03-07 17:04:49 -08:00
crypto Merge branch 'for-next' into for-linus 2010-03-08 16:55:37 +01:00
dca
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dio
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dma Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2010-03-12 16:04:50 -08:00
edac edac: e752x: add dram scrubbing support 2010-03-12 15:52:40 -08:00
eisa eisa: fix coding style for eisa bus code 2010-03-06 11:26:32 -08:00
firewire Driver core: create lock/unlock functions for struct device 2010-03-07 17:04:52 -08:00
firmware Driver core: Constify struct sysfs_ops in struct kobj_type 2010-03-07 17:04:49 -08:00
gpio driver-core: Add attribute argument to class_attribute show/store 2010-03-07 17:04:48 -08:00
gpu Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2010-03-12 16:04:50 -08:00
hid Input: scancode in get/set_keycodes should be unsigned 2010-03-08 23:19:15 -08:00
hwmon Merge branch 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging 2010-03-06 11:33:09 -08:00
i2c Add include to i2c-xii.c to fix build error 2010-03-14 11:14:58 -07:00
ide Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide-next-2.6 2010-03-04 08:24:06 -08:00
idle
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ieee1394 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2010-03-12 16:04:50 -08:00
ieee802154
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infiniband Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband 2010-03-13 14:38:31 -08:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2010-03-14 11:13:54 -07:00
isdn Merge branch 'for-next' into for-linus 2010-03-08 16:55:37 +01:00
leds led: Enable led in 88pm860x 2010-03-07 22:17:05 +01:00
lguest
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macintosh powerpc: Fix G5 thermal shutdown 2010-03-09 11:55:27 +11:00
mca
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md Driver core: Constify struct sysfs_ops in struct kobj_type 2010-03-07 17:04:49 -08:00
media Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2010-03-14 11:13:54 -07:00
memstick
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message Merge branch 'for-next' into for-linus 2010-03-08 16:55:37 +01:00
mfd Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6 2010-03-12 16:41:09 -08:00
misc init dynamic bin_attribute structures 2010-03-14 20:28:39 -07:00
mmc Merge branch 'msm-mmc_sdcc' of git://codeaurora.org/quic/kernel/dwalker/linux-msm 2010-03-12 16:21:24 -08:00
mtd Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2010-03-12 16:04:50 -08:00
net Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2010-03-13 14:50:18 -08:00
nubus
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of
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oprofile
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parisc Driver core: Constify struct sysfs_ops in struct kobj_type 2010-03-07 17:04:49 -08:00
parport Merge branch 'for-next' into for-linus 2010-03-08 16:55:37 +01:00
pci Merge branches 'battery-2.6.34', 'bugzilla-10805', 'bugzilla-14668', 'bugzilla-531916-power-state', 'ht-warn-2.6.34', 'pnp', 'processor-rename', 'sony-2.6.34', 'suse-bugzilla-531547', 'tz-check', 'video' and 'misc-2.6.34' into release 2010-03-14 21:30:17 -04:00
pcmcia Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm 2010-03-12 16:00:54 -08:00
platform Merge branches 'battery-2.6.34', 'bugzilla-10805', 'bugzilla-14668', 'bugzilla-531916-power-state', 'ht-warn-2.6.34', 'pnp', 'processor-rename', 'sony-2.6.34', 'suse-bugzilla-531547', 'tz-check', 'video' and 'misc-2.6.34' into release 2010-03-14 21:30:17 -04:00
pnp PNPACPI: add bus number support 2010-03-14 20:08:38 -04:00
power Merge branches 'battery-2.6.34', 'bugzilla-10805', 'bugzilla-14668', 'bugzilla-531916-power-state', 'ht-warn-2.6.34', 'pnp', 'processor-rename', 'sony-2.6.34', 'suse-bugzilla-531547', 'tz-check', 'video' and 'misc-2.6.34' into release 2010-03-14 21:30:17 -04:00
pps pps: serial clients support 2010-03-12 15:52:43 -08:00
ps3
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rapidio
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regulator regulator: Add max8925 support 2010-03-07 22:17:08 +01:00
rtc init dynamic bin_attribute structures 2010-03-14 20:28:39 -07:00
s390 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2010-03-13 14:50:18 -08:00
sbus
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scsi Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6 2010-03-13 21:29:38 -08:00
serial Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2010-03-12 16:04:50 -08:00
sfi
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sh Merge branch 'origin' into devel-stable 2010-03-08 20:21:04 +00:00
sn
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spi Merge branch 'for-next' into for-linus 2010-03-08 16:55:37 +01:00
ssb
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staging driver core: Convert some drivers to CLASS_ATTR_STRING 2010-03-07 17:04:48 -08:00
tc
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telephony
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thermal
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uio UIO: Remove SMX Cryptengine driver 2010-03-07 17:04:51 -08:00
usb USB: serial: use port endpoint size to determine if ep is available 2010-03-19 07:24:03 -07:00
uwb Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2010-03-12 16:04:50 -08:00
vhost
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video Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6 2010-03-13 21:29:38 -08:00
virtio
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vlynq
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w1 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2010-03-12 16:04:50 -08:00
watchdog [WATCHDOG] i6300esb.c: change platform_driver to pci_driver 2010-03-08 13:48:01 +00:00
xen Driver core: Constify struct sysfs_ops in struct kobj_type 2010-03-07 17:04:49 -08:00
zorro
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Kconfig MFGPT: move clocksource menu 2010-03-06 11:26:28 -08:00
Makefile Merge branch 'origin' into devel-stable 2010-03-08 20:21:04 +00:00