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HID: non-input reports can also be numbered

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When computing the maximal buffer size needed, we must take into
account that not only input reports can be numbered.

Pointed out in bugzilla 

Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Jiri Kosina 2008-10-17 15:01:15 +02:00
parent ac26fca3e1
commit efc7ce18d9
1 changed files with 2 additions and 4 deletions

6
drivers/hid/usbhid/hid-core.c
View file

@ -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) 2006-2007 Jiri Kosina
* Copyright (c) 2006-2008 Jiri Kosina
*/
/*
@ -641,9 +641,7 @@ static void hid_find_max_report(struct hid_device *hid, unsigned int type,
unsigned int size;
list_for_each_entry(report, &hid->report_enum[type].report_list, list) {
size = ((report->size - 1) >> 3) + 1;
if (type == HID_INPUT_REPORT && hid->report_enum[type].numbered)
size++;
size = ((report->size - 1) >> 3) + 1 + hid->report_enum[type].numbered;
if (*max < size)
*max = size;
}