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linux-hardened/drivers/hid
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Chris Ball 7032269e87 HID: hiddev: protect against disconnect/NULL-dereference race 
One of our users reports consistently hitting a NULL dereference that
resolves to the "hid_to_usb_dev(hid);" call in hiddev_ioctl(), when
disconnecting a Lego WeDo USB HID device from an OLPC XO running
Scratch software.  There's a FIXME comment and a guard against the
dereference, but that happens farther down the function than the
initial dereference does.

This patch moves the call to be below the guard, and the user reports
that it fixes the problem for him.  OLPC bug report:
http://dev.laptop.org/ticket/10174

Signed-off-by: Chris Ball <cjb@laptop.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2010-08-13 11:19:24 +02:00
..
usbhid HID: hiddev: protect against disconnect/NULL-dereference race 2010-08-13 11:19:24 +02:00
hid-3m-pct.c Merge branch 'upstream' into for-linus 2010-05-19 14:04:49 +02:00
hid-a4tech.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
hid-apple.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
hid-axff.c HID: add ACRUX game controller force feedback support 2010-07-19 12:13:23 +02:00
hid-belkin.c HID: adding __init/__exit macros to module init/exit functions 2009-07-23 01:28:01 +02:00
hid-cando.c HID: Support for the 11.6" Cando panel 2010-04-23 00:19:08 +02:00
hid-cherry.c HID: add support for cymotion master solar keyboard 2010-04-08 13:40:52 +02:00
hid-chicony.c HID: adding __init/__exit macros to module init/exit functions 2009-07-23 01:28:01 +02:00
hid-core.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid 2010-08-04 15:23:49 -07:00
hid-cypress.c HID: add support for Acan FG-8100 barcode reader 2009-12-02 22:54:11 +01:00
hid-debug.c HID: eliminate a double lock in debug code 2010-06-21 13:41:54 +02:00
hid-drff.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
hid-egalax.c HID: egalax: update slab.h include 2010-04-10 21:29:09 +02:00
hid-elecom.c HID: add proper support for Elecom BM084 bluetooth mouse 2010-06-28 19:02:47 +02:00
hid-ezkey.c HID: adding __init/__exit macros to module init/exit functions 2009-07-23 01:28:01 +02:00
hid-gaff.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
hid-gyration.c HID: Add the GYR4101US USB ID to hid-gyration 2010-05-24 19:07:57 +02:00
hid-ids.h Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid 2010-08-04 15:23:49 -07:00
hid-input.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid 2010-08-04 15:23:49 -07:00
hid-kensington.c HID: adding __init/__exit macros to module init/exit functions 2009-07-23 01:28:01 +02:00
hid-kye.c HID: adding __init/__exit macros to module init/exit functions 2009-07-23 01:28:01 +02:00
hid-lg.c HID: add mappings for a few keys found on Logitech MX3200 2010-04-19 13:26:28 +02:00
hid-lg.h Merge branch 'master' into upstream 2010-02-02 23:10:39 +01:00
hid-lg2ff.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
hid-lg3ff.c HID: add driver for the Logitech Flight System G940 2010-01-13 00:26:31 +01:00
hid-lgff.c HID: add driver for the Logitech Flight System G940 2010-01-13 00:26:31 +01:00
hid-magicmouse.c HID: magicmouse: Correct parsing of large X and Y motions. 2010-07-11 23:06:14 +02:00
hid-microsoft.c HID: adding __init/__exit macros to module init/exit functions 2009-07-23 01:28:01 +02:00
hid-monterey.c HID: adding __init/__exit macros to module init/exit functions 2009-07-23 01:28:01 +02:00
hid-mosart.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
hid-ntrig.c HID: ntrig: add support for new firwmare versions 2010-06-21 13:41:13 +02:00
hid-ortek.c HID: add support for Ortek WKB-2000 2010-01-26 01:57:35 +01:00
hid-petalynx.c HID: adding __init/__exit macros to module init/exit functions 2009-07-23 01:28:01 +02:00
hid-picolcd.c HID: picolcd: correct ordering of framebuffer freeing 2010-08-06 14:53:10 +02:00
hid-pl.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
hid-prodikeys.c HID: Prodikeys PC-MIDI HID Driver 2010-05-12 15:18:59 +02:00
hid-quanta.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
hid-roccat-kone.c HID: roccat: remove obsolete kone_abi_version sysfs attribute 2010-06-21 15:20:35 +02:00
hid-roccat-kone.h HID: roccat: remove obsolete kone_abi_version sysfs attribute 2010-06-21 15:20:35 +02:00
hid-roccat.c HID: roccat: introduce missing kfree 2010-06-02 11:08:42 +02:00
hid-roccat.h HID: roccat: fix whitespace warning from checkpatch.pl 2010-05-31 13:53:21 +02:00
hid-samsung.c HID: hid-samsung: remove redundant key mappings 2010-05-18 10:41:19 +02:00
hid-sjoy.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
hid-sony.c HID: sony: fix sony_set_operational_bt 2010-05-03 17:19:03 +02:00
hid-stantum.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
hid-sunplus.c HID: adding __init/__exit macros to module init/exit functions 2009-07-23 01:28:01 +02:00
hid-tmff.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
hid-topseed.c HID: Add support for Conceptronic CLLRCMCE 2010-07-13 23:44:10 +02:00
hid-twinhan.c HID: add __init/__exit macros to twinhan.c 2009-09-29 13:58:20 +02:00
hid-wacom.c Revert "HID: add support for the Wacom Intuos 4 wireless" 2010-07-20 17:52:04 +02:00
hid-zpff.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
hid-zydacron.c HID: add omitted hid-zydacron.c file 2010-05-17 20:58:47 +02:00
hidraw.c HID: remove unused variable from hidraw_read 2010-05-25 09:47:19 +02:00
Kconfig Merge branch 'acrux' into for-linus 2010-08-04 15:29:35 +02:00
Makefile Merge branch 'acrux' into for-linus 2010-08-04 15:29:35 +02:00