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authorDmitry Torokhov <dtor@insightbb.com>2007-04-12 01:31:13 -0400
committerDmitry Torokhov <dtor@insightbb.com>2007-04-12 01:31:13 -0400
commitf42649e84831efc69d5f621f1c36a39b4e384a99 (patch)
tree928acbd79723be14f886cd7929ac41d5d2ecfeea /drivers/input
parentf3901d9e3bf2b57604358eea62f3414000772e2a (diff)
Input: ALPS - handle errors from input_register_device()
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/input')
-rw-r--r--drivers/input/mouse/alps.c13
-rw-r--r--drivers/input/mouse/alps.h1
2 files changed, 9 insertions, 5 deletions
diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
index 4e71a66fc7f..cf3e4664e72 100644
--- a/drivers/input/mouse/alps.c
+++ b/drivers/input/mouse/alps.c
@@ -424,14 +424,15 @@ int alps_init(struct psmouse *psmouse)
struct input_dev *dev1 = psmouse->dev, *dev2;
int version;
- psmouse->private = priv = kzalloc(sizeof(struct alps_data), GFP_KERNEL);
+ priv = kzalloc(sizeof(struct alps_data), GFP_KERNEL);
dev2 = input_allocate_device();
if (!priv || !dev2)
goto init_fail;
priv->dev2 = dev2;
- if (!(priv->i = alps_get_model(psmouse, &version)))
+ priv->i = alps_get_model(psmouse, &version);
+ if (!priv->i)
goto init_fail;
if ((priv->i->flags & ALPS_PASS) && alps_passthrough_mode(psmouse, 1))
@@ -480,7 +481,8 @@ int alps_init(struct psmouse *psmouse)
dev2->relbit[LONG(REL_X)] |= BIT(REL_X) | BIT(REL_Y);
dev2->keybit[LONG(BTN_LEFT)] |= BIT(BTN_LEFT) | BIT(BTN_MIDDLE) | BIT(BTN_RIGHT);
- input_register_device(priv->dev2);
+ if (input_register_device(priv->dev2))
+ goto init_fail;
psmouse->protocol_handler = alps_process_byte;
psmouse->poll = alps_poll;
@@ -491,9 +493,11 @@ int alps_init(struct psmouse *psmouse)
/* We are having trouble resyncing ALPS touchpads so disable it for now */
psmouse->resync_time = 0;
+ psmouse->private = priv;
return 0;
init_fail:
+ psmouse_reset(psmouse);
input_free_device(dev2);
kfree(priv);
return -1;
@@ -504,7 +508,8 @@ int alps_detect(struct psmouse *psmouse, int set_properties)
int version;
const struct alps_model_info *model;
- if (!(model = alps_get_model(psmouse, &version)))
+ model = alps_get_model(psmouse, &version);
+ if (!model)
return -1;
if (set_properties) {
diff --git a/drivers/input/mouse/alps.h b/drivers/input/mouse/alps.h
index f85ac40ec94..4bbddc99962 100644
--- a/drivers/input/mouse/alps.h
+++ b/drivers/input/mouse/alps.h
@@ -20,7 +20,6 @@ struct alps_model_info {
struct alps_data {
struct input_dev *dev2; /* Relative device */
- char name[32]; /* Name */
char phys[32]; /* Phys */
const struct alps_model_info *i;/* Info */
int prev_fin; /* Finger bit from previous packet */