diff options
author | Jiri Kosina <jkosina@suse.cz> | 2008-07-23 15:19:00 +0200 |
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committer | Jiri Kosina <jkosina@suse.cz> | 2008-07-23 15:19:00 +0200 |
commit | 9063974cdbc5463528cb6aa60c91bc0267af7bbb (patch) | |
tree | 1dffc62d8b79b3d89459cf23aa59c553e186840a /drivers/input/mouse/hil_ptr.c | |
parent | d6d6a86e14a6b5a26c785b45268874a8f7a52b4d (diff) | |
parent | c010b2f76c3032e48097a6eef291d8593d5d79a6 (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.c | 37 |
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[] = { |