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Input: vmmouse - fix absolute device registration

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We should set device's capabilities first, and then register it,
otherwise various handlers already present in the kernel will not be
able to connect to the device.

Reported-by: Lauri Kasanen <cand@gmx.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Dmitry Torokhov 2016-01-16 10:04:49 -08:00
parent 015bb5e134
commit d4f1b06d68
1 changed files with 7 additions and 6 deletions
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13
drivers/input/mouse/vmmouse.c
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@ -458,8 +458,6 @@ int vmmouse_init(struct psmouse *psmouse)
priv->abs_dev = abs_dev;
psmouse->private = priv;
input_set_capability(rel_dev, EV_REL, REL_WHEEL);
/* Set up and register absolute device */
snprintf(priv->phys, sizeof(priv->phys), "%s/input1",
psmouse->ps2dev.serio->phys);
@ -475,10 +473,6 @@ int vmmouse_init(struct psmouse *psmouse)
abs_dev->id.version = psmouse->model;
abs_dev->dev.parent = &psmouse->ps2dev.serio->dev;
error = input_register_device(priv->abs_dev);
if (error)
goto init_fail;
/* Set absolute device capabilities */
input_set_capability(abs_dev, EV_KEY, BTN_LEFT);
input_set_capability(abs_dev, EV_KEY, BTN_RIGHT);
@ -488,6 +482,13 @@ int vmmouse_init(struct psmouse *psmouse)
input_set_abs_params(abs_dev, ABS_X, 0, VMMOUSE_MAX_X, 0, 0);
input_set_abs_params(abs_dev, ABS_Y, 0, VMMOUSE_MAX_Y, 0, 0);
error = input_register_device(priv->abs_dev);
if (error)
goto init_fail;
/* Add wheel capability to the relative device */
input_set_capability(rel_dev, EV_REL, REL_WHEEL);
psmouse->protocol_handler = vmmouse_process_byte;
psmouse->disconnect = vmmouse_disconnect;
psmouse->reconnect = vmmouse_reconnect;