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Commit 102c8c76 authored by Helge Deller's avatar Helge Deller Committed by Kyle McMartin
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[PARISC] Convert HIL drivers to use input_allocate_device 

Convert HIL drivers to use input_allocate_device() - avoids crashes.
Signed-off-by: default avatarHelge Deller <deller@parisc-linux.org>
Signed-off-by: default avatarKyle McMartin <kyle@parisc-linux.org>
parent 10267cdd
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Showing with 109 additions and 93 deletions
drivers/input/keyboard/hil_kbd.c
View file @ 102c8c76
...@@ -66,7 +66,7 @@ static unsigned int hil_kbd_set3[HIL_KEYCODES_SET3_TBLSIZE] = ...@@ -66,7 +66,7 @@ static unsigned int hil_kbd_set3[HIL_KEYCODES_SET3_TBLSIZE] =
static char hil_language[][16] = { HIL_LOCALE_MAP }; static char hil_language[][16] = { HIL_LOCALE_MAP };
struct hil_kbd { struct hil_kbd {
struct input_dev dev; struct input_dev *dev;
struct serio *serio; struct serio *serio;
/* Input buffer and index for packets from HIL bus. */ /* Input buffer and index for packets from HIL bus. */
...@@ -86,7 +86,7 @@ struct hil_kbd { ...@@ -86,7 +86,7 @@ struct hil_kbd {
/* Process a complete packet after transfer from the HIL */ /* Process a complete packet after transfer from the HIL */
static void hil_kbd_process_record(struct hil_kbd *kbd) static void hil_kbd_process_record(struct hil_kbd *kbd)
{ {
struct input_dev *dev = &kbd->dev; struct input_dev *dev = kbd->dev;
hil_packet *data = kbd->data; hil_packet *data = kbd->data;
hil_packet p; hil_packet p;
int idx, i, cnt; int idx, i, cnt;
...@@ -240,8 +240,9 @@ static void hil_kbd_disconnect(struct serio *serio) ...@@ -240,8 +240,9 @@ static void hil_kbd_disconnect(struct serio *serio)
return; return;
} }
input_unregister_device(&kbd->dev); input_unregister_device(kbd->dev);
serio_close(serio); serio_close(serio);
input_free_device(kbd->dev);
kfree(kbd); kfree(kbd);
} }
...@@ -251,16 +252,18 @@ static int hil_kbd_connect(struct serio *serio, struct serio_driver *drv) ...@@ -251,16 +252,18 @@ static int hil_kbd_connect(struct serio *serio, struct serio_driver *drv)
uint8_t did, *idd; uint8_t did, *idd;
int i; int i;
kbd = kmalloc(sizeof(*kbd), GFP_KERNEL); kbd = kzalloc(sizeof(*kbd), GFP_KERNEL);
if (!kbd) if (!kbd)
return -ENOMEM; return -ENOMEM;
memset(kbd, 0, sizeof(struct hil_kbd));
kbd->dev = input_allocate_device();
if (!kbd->dev) goto bail1;
kbd->dev->private = kbd;
if (serio_open(serio, drv)) goto bail0; if (serio_open(serio, drv)) goto bail0;
serio_set_drvdata(serio, kbd); serio_set_drvdata(serio, kbd);
kbd->serio = serio; kbd->serio = serio;
kbd->dev.private = kbd;
init_MUTEX_LOCKED(&(kbd->sem)); init_MUTEX_LOCKED(&(kbd->sem));
...@@ -302,38 +305,38 @@ static int hil_kbd_connect(struct serio *serio, struct serio_driver *drv) ...@@ -302,38 +305,38 @@ static int hil_kbd_connect(struct serio *serio, struct serio_driver *drv)
did, hil_language[did & HIL_IDD_DID_TYPE_KB_LANG_MASK]); did, hil_language[did & HIL_IDD_DID_TYPE_KB_LANG_MASK]);
break; break;
default: default:
goto bail1; goto bail2;
} }
if(HIL_IDD_NUM_BUTTONS(idd) || HIL_IDD_NUM_AXES_PER_SET(*idd)) { if(HIL_IDD_NUM_BUTTONS(idd) || HIL_IDD_NUM_AXES_PER_SET(*idd)) {
printk(KERN_INFO PREFIX "keyboards only, no combo devices supported.\n"); printk(KERN_INFO PREFIX "keyboards only, no combo devices supported.\n");
goto bail1; goto bail2;
} }
kbd->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_REP); kbd->dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REP);
kbd->dev.ledbit[0] = BIT(LED_NUML) | BIT(LED_CAPSL) | BIT(LED_SCROLLL); kbd->dev->ledbit[0] = BIT(LED_NUML) | BIT(LED_CAPSL) | BIT(LED_SCROLLL);
kbd->dev.keycodemax = HIL_KEYCODES_SET1_TBLSIZE; kbd->dev->keycodemax = HIL_KEYCODES_SET1_TBLSIZE;
kbd->dev.keycodesize = sizeof(hil_kbd_set1[0]); kbd->dev->keycodesize = sizeof(hil_kbd_set1[0]);
kbd->dev.keycode = hil_kbd_set1; kbd->dev->keycode = hil_kbd_set1;
kbd->dev.name = strlen(kbd->rnm) ? kbd->rnm : HIL_GENERIC_NAME; kbd->dev->name = strlen(kbd->rnm) ? kbd->rnm : HIL_GENERIC_NAME;
kbd->dev.phys = "hpkbd/input0"; /* XXX */ kbd->dev->phys = "hpkbd/input0"; /* XXX */
kbd->dev.id.bustype = BUS_HIL; kbd->dev->id.bustype = BUS_HIL;
kbd->dev.id.vendor = PCI_VENDOR_ID_HP; kbd->dev->id.vendor = PCI_VENDOR_ID_HP;
kbd->dev.id.product = 0x0001; /* TODO: get from kbd->rsc */ kbd->dev->id.product = 0x0001; /* TODO: get from kbd->rsc */
kbd->dev.id.version = 0x0100; /* TODO: get from kbd->rsc */ kbd->dev->id.version = 0x0100; /* TODO: get from kbd->rsc */
kbd->dev.dev = &serio->dev; kbd->dev->dev = &serio->dev;
for (i = 0; i < 128; i++) { for (i = 0; i < 128; i++) {
set_bit(hil_kbd_set1[i], kbd->dev.keybit); set_bit(hil_kbd_set1[i], kbd->dev->keybit);
set_bit(hil_kbd_set3[i], kbd->dev.keybit); set_bit(hil_kbd_set3[i], kbd->dev->keybit);
} }
clear_bit(0, kbd->dev.keybit); clear_bit(0, kbd->dev->keybit);
input_register_device(&kbd->dev); input_register_device(kbd->dev);
printk(KERN_INFO "input: %s, ID: %d\n", printk(KERN_INFO "input: %s, ID: %d\n",
kbd->dev.name, did); kbd->dev->name, did);
serio->write(serio, 0); serio->write(serio, 0);
serio->write(serio, 0); serio->write(serio, 0);
...@@ -343,8 +346,10 @@ static int hil_kbd_connect(struct serio *serio, struct serio_driver *drv) ...@@ -343,8 +346,10 @@ static int hil_kbd_connect(struct serio *serio, struct serio_driver *drv)
up(&(kbd->sem)); up(&(kbd->sem));
return 0; return 0;
bail1: bail2:
serio_close(serio); serio_close(serio);
bail1:
input_free_device(kbd->dev);
bail0: bail0:
kfree(kbd); kfree(kbd);
serio_set_drvdata(serio, NULL); serio_set_drvdata(serio, NULL);
......
drivers/input/keyboard/hilkbd.c
View file @ 102c8c76
...@@ -3,7 +3,7 @@ ...@@ -3,7 +3,7 @@
* *
* Copyright (C) 1998 Philip Blundell <philb@gnu.org> * Copyright (C) 1998 Philip Blundell <philb@gnu.org>
* Copyright (C) 1999 Matthew Wilcox <willy@bofh.ai> * Copyright (C) 1999 Matthew Wilcox <willy@bofh.ai>
* Copyright (C) 1999-2003 Helge Deller <deller@gmx.de> * Copyright (C) 1999-2006 Helge Deller <deller@gmx.de>
* *
* Very basic HP Human Interface Loop (HIL) driver. * Very basic HP Human Interface Loop (HIL) driver.
* This driver handles the keyboard on HP300 (m68k) and on some * This driver handles the keyboard on HP300 (m68k) and on some
...@@ -90,7 +90,7 @@ static unsigned int hphilkeyb_keycode[HIL_KEYCODES_SET1_TBLSIZE] = ...@@ -90,7 +90,7 @@ static unsigned int hphilkeyb_keycode[HIL_KEYCODES_SET1_TBLSIZE] =
/* HIL structure */ /* HIL structure */
static struct { static struct {
struct input_dev dev; struct input_dev *dev;
unsigned int curdev; unsigned int curdev;
...@@ -117,7 +117,7 @@ static void poll_finished(void) ...@@ -117,7 +117,7 @@ static void poll_finished(void)
down = (hil_dev.data[1] & 1) == 0; down = (hil_dev.data[1] & 1) == 0;
scode = hil_dev.data[1] >> 1; scode = hil_dev.data[1] >> 1;
key = hphilkeyb_keycode[scode]; key = hphilkeyb_keycode[scode];
input_report_key(&hil_dev.dev, key, down); input_report_key(hil_dev.dev, key, down);
break; break;
} }
hil_dev.curdev = 0; hil_dev.curdev = 0;
...@@ -207,10 +207,15 @@ hil_keyb_init(void) ...@@ -207,10 +207,15 @@ hil_keyb_init(void)
unsigned int i, kbid; unsigned int i, kbid;
wait_queue_head_t hil_wait; wait_queue_head_t hil_wait;
if (hil_dev.dev.id.bustype) { if (hil_dev.dev) {
return -ENODEV; /* already initialized */ return -ENODEV; /* already initialized */
} }
hil_dev.dev = input_allocate_device();
if (!hil_dev.dev)
return -ENOMEM;
hil_dev.dev->private = &hil_dev;
#if defined(CONFIG_HP300) #if defined(CONFIG_HP300)
if (!hwreg_present((void *)(HILBASE + HIL_DATA))) if (!hwreg_present((void *)(HILBASE + HIL_DATA)))
return -ENODEV; return -ENODEV;
...@@ -247,28 +252,26 @@ hil_keyb_init(void) ...@@ -247,28 +252,26 @@ hil_keyb_init(void)
c = 0; c = 0;
hil_do(HIL_WRITEKBDSADR, &c, 1); hil_do(HIL_WRITEKBDSADR, &c, 1);
init_input_dev(&hil_dev.dev);
for (i = 0; i < HIL_KEYCODES_SET1_TBLSIZE; i++) for (i = 0; i < HIL_KEYCODES_SET1_TBLSIZE; i++)
if (hphilkeyb_keycode[i] != KEY_RESERVED) if (hphilkeyb_keycode[i] != KEY_RESERVED)
set_bit(hphilkeyb_keycode[i], hil_dev.dev.keybit); set_bit(hphilkeyb_keycode[i], hil_dev.dev->keybit);
hil_dev.dev.evbit[0] = BIT(EV_KEY) | BIT(EV_REP); hil_dev.dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REP);
hil_dev.dev.ledbit[0] = BIT(LED_NUML) | BIT(LED_CAPSL) | BIT(LED_SCROLLL); hil_dev.dev->ledbit[0] = BIT(LED_NUML) | BIT(LED_CAPSL) | BIT(LED_SCROLLL);
hil_dev.dev.keycodemax = HIL_KEYCODES_SET1_TBLSIZE; hil_dev.dev->keycodemax = HIL_KEYCODES_SET1_TBLSIZE;
hil_dev.dev.keycodesize = sizeof(hphilkeyb_keycode[0]); hil_dev.dev->keycodesize = sizeof(hphilkeyb_keycode[0]);
hil_dev.dev.keycode = hphilkeyb_keycode; hil_dev.dev->keycode = hphilkeyb_keycode;
hil_dev.dev.name = "HIL keyboard"; hil_dev.dev->name = "HIL keyboard";
hil_dev.dev.phys = "hpkbd/input0"; hil_dev.dev->phys = "hpkbd/input0";
hil_dev.dev.id.bustype = BUS_HIL; hil_dev.dev->id.bustype = BUS_HIL;
hil_dev.dev.id.vendor = PCI_VENDOR_ID_HP; hil_dev.dev->id.vendor = PCI_VENDOR_ID_HP;
hil_dev.dev.id.product = 0x0001; hil_dev.dev->id.product = 0x0001;
hil_dev.dev.id.version = 0x0010; hil_dev.dev->id.version = 0x0010;
input_register_device(&hil_dev.dev); input_register_device(hil_dev.dev);
printk(KERN_INFO "input: %s, ID %d at 0x%08lx (irq %d) found and attached\n", printk(KERN_INFO "input: %s, ID %d at 0x%08lx (irq %d) found and attached\n",
hil_dev.dev.name, kbid, HILBASE, HIL_IRQ); hil_dev.dev->name, kbid, HILBASE, HIL_IRQ);
return 0; return 0;
} }
...@@ -329,7 +332,10 @@ static void __exit hil_exit(void) ...@@ -329,7 +332,10 @@ static void __exit hil_exit(void)
/* Turn off interrupts */ /* Turn off interrupts */
hil_do(HIL_INTOFF, NULL, 0); hil_do(HIL_INTOFF, NULL, 0);
input_unregister_device(&hil_dev.dev); input_unregister_device(hil_dev.dev);
input_free_device(hil_dev.dev);
hil_dev.dev = NULL;
#if defined(CONFIG_PARISC) #if defined(CONFIG_PARISC)
unregister_parisc_driver(&hil_driver); unregister_parisc_driver(&hil_driver);
......
drivers/input/mouse/hil_ptr.c
View file @ 102c8c76
...@@ -55,7 +55,7 @@ MODULE_LICENSE("Dual BSD/GPL"); ...@@ -55,7 +55,7 @@ MODULE_LICENSE("Dual BSD/GPL");
#define HIL_PTR_MAX_LENGTH 16 #define HIL_PTR_MAX_LENGTH 16
struct hil_ptr { struct hil_ptr {
struct input_dev dev; struct input_dev *dev;
struct serio *serio; struct serio *serio;
/* Input buffer and index for packets from HIL bus. */ /* Input buffer and index for packets from HIL bus. */
...@@ -79,7 +79,7 @@ struct hil_ptr { ...@@ -79,7 +79,7 @@ struct hil_ptr {
/* Process a complete packet after transfer from the HIL */ /* Process a complete packet after transfer from the HIL */
static void hil_ptr_process_record(struct hil_ptr *ptr) static void hil_ptr_process_record(struct hil_ptr *ptr)
{ {
struct input_dev *dev = &ptr->dev; struct input_dev *dev = ptr->dev;
hil_packet *data = ptr->data; hil_packet *data = ptr->data;
hil_packet p; hil_packet p;
int idx, i, cnt, laxis; int idx, i, cnt, laxis;
...@@ -148,12 +148,12 @@ static void hil_ptr_process_record(struct hil_ptr *ptr) ...@@ -148,12 +148,12 @@ static void hil_ptr_process_record(struct hil_ptr *ptr)
if (absdev) { if (absdev) {
val = lo + (hi<<8); val = lo + (hi<<8);
#ifdef TABLET_AUTOADJUST #ifdef TABLET_AUTOADJUST
if (val < ptr->dev.absmin[ABS_X + i]) if (val < dev->absmin[ABS_X + i])
ptr->dev.absmin[ABS_X + i] = val; dev->absmin[ABS_X + i] = val;
if (val > ptr->dev.absmax[ABS_X + i]) if (val > dev->absmax[ABS_X + i])
ptr->dev.absmax[ABS_X + i] = val; dev->absmax[ABS_X + i] = val;
#endif #endif
if (i%3) val = ptr->dev.absmax[ABS_X + i] - val; if (i%3) val = dev->absmax[ABS_X + i] - val;
input_report_abs(dev, ABS_X + i, val); input_report_abs(dev, ABS_X + i, val);
} else { } else {
val = (int) (((int8_t)lo) | ((int8_t)hi<<8)); val = (int) (((int8_t)lo) | ((int8_t)hi<<8));
...@@ -233,8 +233,9 @@ static void hil_ptr_disconnect(struct serio *serio) ...@@ -233,8 +233,9 @@ static void hil_ptr_disconnect(struct serio *serio)
return; return;
} }
input_unregister_device(&ptr->dev); input_unregister_device(ptr->dev);
serio_close(serio); serio_close(serio);
input_free_device(ptr->dev);
kfree(ptr); kfree(ptr);
} }
...@@ -245,14 +246,17 @@ static int hil_ptr_connect(struct serio *serio, struct serio_driver *driver) ...@@ -245,14 +246,17 @@ static int hil_ptr_connect(struct serio *serio, struct serio_driver *driver)
unsigned int i, naxsets, btntype; unsigned int i, naxsets, btntype;
uint8_t did, *idd; uint8_t did, *idd;
if (!(ptr = kmalloc(sizeof(struct hil_ptr), GFP_KERNEL))) return -ENOMEM; if (!(ptr = kzalloc(sizeof(struct hil_ptr), GFP_KERNEL)))
memset(ptr, 0, sizeof(struct hil_ptr)); return -ENOMEM;
if (serio_open(serio, driver)) goto bail0; ptr->dev = input_allocate_device();
if (!ptr->dev) goto bail0;
ptr->dev->private = ptr;
if (serio_open(serio, driver)) goto bail1;
serio_set_drvdata(serio, ptr); serio_set_drvdata(serio, ptr);
ptr->serio = serio; ptr->serio = serio;
ptr->dev.private = ptr;
init_MUTEX_LOCKED(&(ptr->sem)); init_MUTEX_LOCKED(&(ptr->sem));
...@@ -283,25 +287,24 @@ static int hil_ptr_connect(struct serio *serio, struct serio_driver *driver) ...@@ -283,25 +287,24 @@ static int hil_ptr_connect(struct serio *serio, struct serio_driver *driver)
up(&(ptr->sem)); up(&(ptr->sem));
init_input_dev(&ptr->dev);
did = ptr->idd[0]; did = ptr->idd[0];
idd = ptr->idd + 1; idd = ptr->idd + 1;
txt = "unknown"; txt = "unknown";
if ((did & HIL_IDD_DID_TYPE_MASK) == HIL_IDD_DID_TYPE_REL) { if ((did & HIL_IDD_DID_TYPE_MASK) == HIL_IDD_DID_TYPE_REL) {
ptr->dev.evbit[0] = BIT(EV_REL); ptr->dev->evbit[0] = BIT(EV_REL);
txt = "relative"; txt = "relative";
} }
if ((did & HIL_IDD_DID_TYPE_MASK) == HIL_IDD_DID_TYPE_ABS) { if ((did & HIL_IDD_DID_TYPE_MASK) == HIL_IDD_DID_TYPE_ABS) {
ptr->dev.evbit[0] = BIT(EV_ABS); ptr->dev->evbit[0] = BIT(EV_ABS);
txt = "absolute"; txt = "absolute";
} }
if (!ptr->dev.evbit[0]) { if (!ptr->dev->evbit[0]) {
goto bail1; goto bail2;
} }
ptr->nbtn = HIL_IDD_NUM_BUTTONS(idd); ptr->nbtn = HIL_IDD_NUM_BUTTONS(idd);
if (ptr->nbtn) ptr->dev.evbit[0] |= BIT(EV_KEY); if (ptr->nbtn) ptr->dev->evbit[0] |= BIT(EV_KEY);
naxsets = HIL_IDD_NUM_AXSETS(*idd); naxsets = HIL_IDD_NUM_AXSETS(*idd);
ptr->naxes = HIL_IDD_NUM_AXES_PER_SET(*idd); ptr->naxes = HIL_IDD_NUM_AXES_PER_SET(*idd);
...@@ -325,7 +328,7 @@ static int hil_ptr_connect(struct serio *serio, struct serio_driver *driver) ...@@ -325,7 +328,7 @@ static int hil_ptr_connect(struct serio *serio, struct serio_driver *driver)
btntype = BTN_MOUSE; btntype = BTN_MOUSE;
for (i = 0; i < ptr->nbtn; i++) { for (i = 0; i < ptr->nbtn; i++) {
set_bit(btntype | i, ptr->dev.keybit); set_bit(btntype | i, ptr->dev->keybit);
ptr->btnmap[i] = btntype | i; ptr->btnmap[i] = btntype | i;
} }
...@@ -337,50 +340,52 @@ static int hil_ptr_connect(struct serio *serio, struct serio_driver *driver) ...@@ -337,50 +340,52 @@ static int hil_ptr_connect(struct serio *serio, struct serio_driver *driver)
if ((did & HIL_IDD_DID_TYPE_MASK) == HIL_IDD_DID_TYPE_REL) { if ((did & HIL_IDD_DID_TYPE_MASK) == HIL_IDD_DID_TYPE_REL) {
for (i = 0; i < ptr->naxes; i++) { for (i = 0; i < ptr->naxes; i++) {
set_bit(REL_X + i, ptr->dev.relbit); set_bit(REL_X + i, ptr->dev->relbit);
} }
for (i = 3; (i < ptr->naxes + 3) && (naxsets > 1); i++) { for (i = 3; (i < ptr->naxes + 3) && (naxsets > 1); i++) {
set_bit(REL_X + i, ptr->dev.relbit); set_bit(REL_X + i, ptr->dev->relbit);
} }
} else { } else {
for (i = 0; i < ptr->naxes; i++) { for (i = 0; i < ptr->naxes; i++) {
set_bit(ABS_X + i, ptr->dev.absbit); set_bit(ABS_X + i, ptr->dev->absbit);
ptr->dev.absmin[ABS_X + i] = 0; ptr->dev->absmin[ABS_X + i] = 0;
ptr->dev.absmax[ABS_X + i] = ptr->dev->absmax[ABS_X + i] =
HIL_IDD_AXIS_MAX((ptr->idd + 1), i); HIL_IDD_AXIS_MAX((ptr->idd + 1), i);
} }
for (i = 3; (i < ptr->naxes + 3) && (naxsets > 1); i++) { for (i = 3; (i < ptr->naxes + 3) && (naxsets > 1); i++) {
set_bit(ABS_X + i, ptr->dev.absbit); set_bit(ABS_X + i, ptr->dev->absbit);
ptr->dev.absmin[ABS_X + i] = 0; ptr->dev->absmin[ABS_X + i] = 0;
ptr->dev.absmax[ABS_X + i] = ptr->dev->absmax[ABS_X + i] =
HIL_IDD_AXIS_MAX((ptr->idd + 1), (i - 3)); HIL_IDD_AXIS_MAX((ptr->idd + 1), (i - 3));
} }
#ifdef TABLET_AUTOADJUST #ifdef TABLET_AUTOADJUST
for (i = 0; i < ABS_MAX; i++) { for (i = 0; i < ABS_MAX; i++) {
int diff = ptr->dev.absmax[ABS_X + i] / 10; int diff = ptr->dev->absmax[ABS_X + i] / 10;
ptr->dev.absmin[ABS_X + i] += diff; ptr->dev->absmin[ABS_X + i] += diff;
ptr->dev.absmax[ABS_X + i] -= diff; ptr->dev->absmax[ABS_X + i] -= diff;
} }
#endif #endif
} }
ptr->dev.name = strlen(ptr->rnm) ? ptr->rnm : HIL_GENERIC_NAME; ptr->dev->name = strlen(ptr->rnm) ? ptr->rnm : HIL_GENERIC_NAME;
ptr->dev.id.bustype = BUS_HIL; ptr->dev->id.bustype = BUS_HIL;
ptr->dev.id.vendor = PCI_VENDOR_ID_HP; ptr->dev->id.vendor = PCI_VENDOR_ID_HP;
ptr->dev.id.product = 0x0001; /* TODO: get from ptr->rsc */ ptr->dev->id.product = 0x0001; /* TODO: get from ptr->rsc */
ptr->dev.id.version = 0x0100; /* TODO: get from ptr->rsc */ ptr->dev->id.version = 0x0100; /* TODO: get from ptr->rsc */
ptr->dev.dev = &serio->dev; ptr->dev->dev = &serio->dev;
input_register_device(&ptr->dev); input_register_device(ptr->dev);
printk(KERN_INFO "input: %s (%s), ID: %d\n", printk(KERN_INFO "input: %s (%s), ID: %d\n",
ptr->dev.name, ptr->dev->name,
(btntype == BTN_MOUSE) ? "HIL mouse":"HIL tablet or touchpad", (btntype == BTN_MOUSE) ? "HIL mouse":"HIL tablet or touchpad",
did); did);
return 0; return 0;
bail1: bail2:
serio_close(serio); serio_close(serio);
bail1:
input_free_device(ptr->dev);
bail0: bail0:
kfree(ptr); kfree(ptr);
serio_set_drvdata(serio, NULL); serio_set_drvdata(serio, NULL);
......
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