[PATCH 2/2] HID: input: fix assignment of .value

Benjamin Tissoires
2019-04-23T15:46:37Z

The value field is actually an array of .maxfield. We should assign the
correct number to the correct usage.

Not that we never encounter a device that requires this ATM, but better
have the proper code path.

Fixes: 2dc702c991e377 ("HID: input: use the Resolution Multiplier for
high-resolution scrolling")
Cc: stable@vger.kernel.org # v5.0+
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
---
drivers/hid/hid-input.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index fadf76f0a386..6dd0294e1133 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -1580,7 +1580,7 @@ static bool __hidinput_change_resolution_multipliers(struct hid_device *hid,
if (usage->hid != HID_GD_RESOLUTION_MULTIPLIER)
continue;

- *report->field[i]->value = value;
+ report->field[i]->value[j] = value;
update_needed = true;
}
}
--
2.19.2