diff options
Diffstat (limited to 'drivers/hid/hid-core.c')
| -rw-r--r-- | drivers/hid/hid-core.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 1e1a7770a6b9..38db8321b211 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -880,6 +880,10 @@ static void hid_output_field(struct hid_field *field, __u8 *data) unsigned size = field->report_size; unsigned n; + /* make sure the unused bits in the last byte are zeros */ + if (count > 0 && size > 0) + data[(count*size-1)/8] = 0; + for (n = 0; n < count; n++) { if (field->logical_minimum < 0) /* signed values */ implement(data, offset + n * size, size, s32ton(field->value[n], size)); |