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author | Wim Van Sebroeck <wim@iguana.be> | 2007-05-01 06:53:01 +0000 |
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committer | Wim Van Sebroeck <wim@iguana.be> | 2007-05-01 06:53:01 +0000 |
commit | 48a7afe314bfc4d7f50e1608632f503dbba7e013 (patch) | |
tree | 4a80e6b96321a71affd1bacea817de93be08894b /drivers/hid/hid-core.c | |
parent | fb8f7ba077b5c665432082ab205bcd2cb01f6a3c (diff) | |
parent | dc87c3985e9b442c60994308a96f887579addc39 (diff) | |
download | kernel_samsung_crespo-48a7afe314bfc4d7f50e1608632f503dbba7e013.zip kernel_samsung_crespo-48a7afe314bfc4d7f50e1608632f503dbba7e013.tar.gz kernel_samsung_crespo-48a7afe314bfc4d7f50e1608632f503dbba7e013.tar.bz2 |
Merge /pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'drivers/hid/hid-core.c')
-rw-r--r-- | drivers/hid/hid-core.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 67f3347..62e21cc 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)); @@ -969,7 +974,7 @@ int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int i if (size < rsize) { dbg("report %d is too short, (%d < %d)", report->id, size, rsize); - return -1; + memset(data + size, 0, rsize - size); } if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event) |