summaryrefslogtreecommitdiff
path: root/drivers/hid/hid-core.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-04-30 19:58:21 +0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-04-30 19:58:21 +0400
commitd6454706c382ab74e2ecad7803c434cc6bd30343 (patch)
tree2a380b28eb948d114c491f0b6799c10406030849 /drivers/hid/hid-core.c
parent152a6a9da1bd3ed5dcbbf6ff17c7ebde0eb9a754 (diff)
parent11941a321d49cd2cafc8e64f66cbfed60fc1c691 (diff)
downloadlinux-d6454706c382ab74e2ecad7803c434cc6bd30343.tar.xz
Merge branch 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jikos/hid
* 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jikos/hid: (21 commits) USB HID: don't warn on idVendor == 0 USB HID: add 'quirks' module parameter USB HID: add support for dynamically-created quirks USB HID: clarify static quirk handling as squirks USB HID: encapsulate quirk handling into hid-quirks.c USB HID: EMS USBII device needs HID_QUIRK_MULTI_INPUT HID: update copyright and authorship macro HID: introduce proper zeroing of unused bits in output reports USB HID: add support for WiseGroup MP-8800 Quad Joypad USB HID: add FF support for Logitech Force 3D Pro Joystick USB HID: numlock quirk for dell W7658 keyboard USB HID: Logitech MX3000 keyboard needs report descriptor quirk USB HID: extend quirk for Logitech S510 keyboard USB HID: usbkbd/usbmouse - handle errors when registering devices USB HID: add QUIRK_HIDDEV for Belkin Flip KVM HID: enable dead keys on a belkin wireless keyboard USB HID: Thustmaster firestorm dual power v1 support USB HID: specify explicit size for hid_blacklist.quirks USB HID: fix retry & reset logic USB HID: consolidate vendor/product ids ...
Diffstat (limited to 'drivers/hid/hid-core.c')
-rw-r--r--drivers/hid/hid-core.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 1cca32f46947..62e21cc73938 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -4,7 +4,7 @@
* Copyright (c) 1999 Andreas Gal
* Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
* Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
- * Copyright (c) 2006 Jiri Kosina
+ * Copyright (c) 2006-2007 Jiri Kosina
*/
/*
@@ -37,7 +37,7 @@
*/
#define DRIVER_VERSION "v2.6"
-#define DRIVER_AUTHOR "Andreas Gal, Vojtech Pavlik"
+#define DRIVER_AUTHOR "Andreas Gal, Vojtech Pavlik, Jiri Kosina"
#define DRIVER_DESC "HID core driver"
#define DRIVER_LICENSE "GPL"
@@ -872,8 +872,13 @@ static void hid_output_field(struct hid_field *field, __u8 *data)
unsigned count = field->report_count;
unsigned offset = field->report_offset;
unsigned size = field->report_size;
+ unsigned bitsused = offset + count * size;
unsigned n;
+ /* make sure the unused bits in the last byte are zeros */
+ if (count > 0 && size > 0 && (bitsused % 8) != 0)
+ data[(bitsused-1)/8] &= (1 << (bitsused % 8)) - 1;
+
for (n = 0; n < count; n++) {
if (field->logical_minimum < 0) /* signed values */
implement(data, offset + n * size, size, s32ton(field->value[n], size));