From: Dan Carpenter <dan.carpen...@oracle.com>

This is trying to clear the lower 32 bits but the type is wrong so it
clears everything.

Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>
Signed-off-by: Jiri Kosina <jkos...@suse.cz>
[jason.gere...@wacom.com: Imported into input-wacom repository (a35f09b)]
Signed-off-by: Jason Gerecke <jason.gere...@wacom.com>
[jason.gere...@wacom.com: Backported from input-wacom repository (935932c)]
Signed-off-by: Jason Gerecke <jason.gere...@wacom.com>
---
 3.17/wacom_wac.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/3.17/wacom_wac.c b/3.17/wacom_wac.c
index 7e1fa12..5b45122 100644
--- a/3.17/wacom_wac.c
+++ b/3.17/wacom_wac.c
@@ -1777,7 +1777,7 @@ static int wacom_wac_pen_event(struct hid_device *hdev, 
struct hid_field *field,
                wacom_wac->hid_data.tipswitch |= value;
                return 0;
        case HID_DG_TOOLSERIALNUMBER:
-               wacom_wac->serial[0] = (wacom_wac->serial[0] & ~0xFFFFFFFF);
+               wacom_wac->serial[0] = (wacom_wac->serial[0] & ~0xFFFFFFFFULL);
                wacom_wac->serial[0] |= value;
                return 0;
        case WACOM_HID_WD_SENSE:
-- 
2.10.2


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