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HID: fixup the conflicting keyboard mappings quirk

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The ignore check that got added in 6ce901eb61 ("HID: input: fix confusion
on conflicting mappings") needs to properly check for VARIABLE reports
as well (ARRAY reports should be ignored), otherwise legitimate keyboards
might break.

Cc: <stable@vger.kernel.org>
Fixes: 6ce901eb61 ("HID: input: fix confusion on conflicting mappings")
Reported-by: Fredrik Hallenberg <megahallon@gmail.com>
Reported-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Jiri Kosina 2015-01-06 22:34:19 +01:00
parent 79bc33bd60
commit 8e7b341037
1 changed files with 1 additions and 0 deletions
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drivers/hid/hid-input.c
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@ -1113,6 +1113,7 @@ void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct
*/ */
if (!(field->flags & (HID_MAIN_ITEM_RELATIVE | if (!(field->flags & (HID_MAIN_ITEM_RELATIVE |
HID_MAIN_ITEM_BUFFERED_BYTE)) && HID_MAIN_ITEM_BUFFERED_BYTE)) &&
(field->flags & HID_MAIN_ITEM_VARIABLE) &&
usage->usage_index < field->maxusage && usage->usage_index < field->maxusage &&
value == field->value[usage->usage_index]) value == field->value[usage->usage_index])
return; return;