diff options
Diffstat (limited to 'drivers/input/mouse/focaltech.c')
| -rw-r--r-- | drivers/input/mouse/focaltech.c | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/drivers/input/mouse/focaltech.c b/drivers/input/mouse/focaltech.c index a7d39689bbfb..356b99d48544 100644 --- a/drivers/input/mouse/focaltech.c +++ b/drivers/input/mouse/focaltech.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Focaltech TouchPad PS/2 mouse driver * * Copyright (c) 2014 Red Hat Inc. * Copyright (c) 2014 Mathias Gottschlag <mgottschlag@gmail.com> * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * * Red Hat authors: * * Hans de Goede <hdegoede@redhat.com> @@ -206,8 +202,8 @@ static void focaltech_process_rel_packet(struct psmouse *psmouse, state->pressed = packet[0] >> 7; finger1 = ((packet[0] >> 4) & 0x7) - 1; if (finger1 < FOC_MAX_FINGERS) { - state->fingers[finger1].x += (char)packet[1]; - state->fingers[finger1].y += (char)packet[2]; + state->fingers[finger1].x += (s8)packet[1]; + state->fingers[finger1].y += (s8)packet[2]; } else { psmouse_err(psmouse, "First finger in rel packet invalid: %d\n", finger1); @@ -222,8 +218,8 @@ static void focaltech_process_rel_packet(struct psmouse *psmouse, */ finger2 = ((packet[3] >> 4) & 0x7) - 1; if (finger2 < FOC_MAX_FINGERS) { - state->fingers[finger2].x += (char)packet[4]; - state->fingers[finger2].y += (char)packet[5]; + state->fingers[finger2].x += (s8)packet[4]; + state->fingers[finger2].y += (s8)packet[5]; } } @@ -412,8 +408,7 @@ int focaltech_init(struct psmouse *psmouse) struct focaltech_data *priv; int error; - psmouse->private = priv = kzalloc(sizeof(struct focaltech_data), - GFP_KERNEL); + psmouse->private = priv = kzalloc(sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; |