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authorJiri Kosina <jkosina@suse.cz>2008-07-23 15:19:00 +0200
committerJiri Kosina <jkosina@suse.cz>2008-07-23 15:19:00 +0200
commit9063974cdbc5463528cb6aa60c91bc0267af7bbb (patch)
tree1dffc62d8b79b3d89459cf23aa59c553e186840a /drivers/input/mouse/hil_ptr.c
parentd6d6a86e14a6b5a26c785b45268874a8f7a52b4d (diff)
parentc010b2f76c3032e48097a6eef291d8593d5d79a6 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'drivers/input/mouse/hil_ptr.c')
-rw-r--r--drivers/input/mouse/hil_ptr.c37
1 files changed, 26 insertions, 11 deletions
diff --git a/drivers/input/mouse/hil_ptr.c b/drivers/input/mouse/hil_ptr.c
index 27f88fbb713..e532c48410e 100644
--- a/drivers/input/mouse/hil_ptr.c
+++ b/drivers/input/mouse/hil_ptr.c
@@ -247,19 +247,24 @@ static void hil_ptr_disconnect(struct serio *serio)
static int hil_ptr_connect(struct serio *serio, struct serio_driver *driver)
{
- struct hil_ptr *ptr;
- const char *txt;
- unsigned int i, naxsets, btntype;
- uint8_t did, *idd;
-
- if (!(ptr = kzalloc(sizeof(struct hil_ptr), GFP_KERNEL)))
+ struct hil_ptr *ptr;
+ const char *txt;
+ unsigned int i, naxsets, btntype;
+ uint8_t did, *idd;
+ int error;
+
+ ptr = kzalloc(sizeof(struct hil_ptr), GFP_KERNEL);
+ if (!ptr)
return -ENOMEM;
ptr->dev = input_allocate_device();
- if (!ptr->dev)
+ if (!ptr->dev) {
+ error = -ENOMEM;
goto bail0;
+ }
- if (serio_open(serio, driver))
+ error = serio_open(serio, driver);
+ if (error)
goto bail1;
serio_set_drvdata(serio, ptr);
@@ -297,6 +302,7 @@ static int hil_ptr_connect(struct serio *serio, struct serio_driver *driver)
did = ptr->idd[0];
idd = ptr->idd + 1;
txt = "unknown";
+
if ((did & HIL_IDD_DID_TYPE_MASK) == HIL_IDD_DID_TYPE_REL) {
ptr->dev->evbit[0] = BIT_MASK(EV_REL);
txt = "relative";
@@ -306,8 +312,11 @@ static int hil_ptr_connect(struct serio *serio, struct serio_driver *driver)
ptr->dev->evbit[0] = BIT_MASK(EV_ABS);
txt = "absolute";
}
- if (!ptr->dev->evbit[0])
+
+ if (!ptr->dev->evbit[0]) {
+ error = -ENODEV;
goto bail2;
+ }
ptr->nbtn = HIL_IDD_NUM_BUTTONS(idd);
if (ptr->nbtn)
@@ -380,13 +389,19 @@ static int hil_ptr_connect(struct serio *serio, struct serio_driver *driver)
ptr->dev->id.version = 0x0100; /* TODO: get from ptr->rsc */
ptr->dev->dev.parent = &serio->dev;
- input_register_device(ptr->dev);
+ error = input_register_device(ptr->dev);
+ if (error) {
+ printk(KERN_INFO PREFIX "Unable to register input device\n");
+ goto bail2;
+ }
+
printk(KERN_INFO "input: %s (%s), ID: %d\n",
ptr->dev->name,
(btntype == BTN_MOUSE) ? "HIL mouse":"HIL tablet or touchpad",
did);
return 0;
+
bail2:
serio_close(serio);
bail1:
@@ -394,7 +409,7 @@ static int hil_ptr_connect(struct serio *serio, struct serio_driver *driver)
bail0:
kfree(ptr);
serio_set_drvdata(serio, NULL);
- return -ENODEV;
+ return error;
}
static struct serio_device_id hil_ptr_ids[] = {