diff options
| -rw-r--r-- | drivers/hid/hid-core.c | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 9f92f629d44..8617aa97a9c 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -940,13 +940,8 @@ 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)); @@ -966,6 +961,7 @@ void hid_output_report(struct hid_report *report, __u8 *data) if (report->id > 0) *data++ = report->id; + memset(data, 0, ((report->size - 1) >> 3) + 1); for (n = 0; n < report->maxfield; n++) hid_output_field(report->field[n], data); } |