[PARISC] Convert HIL drivers to use input_allocate_device

Convert HIL drivers to use input_allocate_device() - avoids crashes.

Signed-off-by: Helge Deller <deller@parisc-linux.org>
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>

2 files changed, 61 insertions, 50 deletions

diff --git a/drivers/input/keyboard/hil_kbd.c b/drivers/input/keyboard/hil_kbd.c
index 0a90962c38e7..99f8c5b4cd50 100644
--- a/drivers/input/keyboard/hil_kbd.c
+++ b/drivers/input/keyboard/hil_kbd.c
@@ -66,7 +66,7 @@ static unsigned int hil_kbd_set3[HIL_KEYCODES_SET3_TBLSIZE] =
 static char hil_language[][16] = { HIL_LOCALE_MAP };
 
 struct hil_kbd {
-        struct input_dev dev;
+        struct input_dev *dev;
         struct serio *serio;
 
         /* Input buffer and index for packets from HIL bus. */
@@ -86,7 +86,7 @@ struct hil_kbd {
 /* Process a complete packet after transfer from the HIL */
 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 p;
         int idx, i, cnt;
@@ -240,8 +240,9 @@ static void hil_kbd_disconnect(struct serio *serio)
                 return;
         }
 
-        input_unregister_device(&kbd->dev);
+        input_unregister_device(kbd->dev);
         serio_close(serio);
+        input_free_device(kbd->dev);
         kfree(kbd);
 }
 
@@ -251,16 +252,18 @@ static int hil_kbd_connect(struct serio *serio, struct serio_driver *drv)
         uint8_t         did, *idd;
         int             i;
         
-        kbd = kmalloc(sizeof(*kbd), GFP_KERNEL);
+        kbd = kzalloc(sizeof(*kbd), GFP_KERNEL);
         if (!kbd)
                 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;
 
         serio_set_drvdata(serio, kbd);
         kbd->serio = serio;
-        kbd->dev.private = kbd;
 
         init_MUTEX_LOCKED(&(kbd->sem));
 
@@ -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]);
                 break;
         default:
-                goto bail1;
+                goto bail2;
         }
 
         if(HIL_IDD_NUM_BUTTONS(idd) || HIL_IDD_NUM_AXES_PER_SET(*idd)) {
                 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.ledbit[0]      = BIT(LED_NUML) | BIT(LED_CAPSL) | BIT(LED_SCROLLL);
-        kbd->dev.keycodemax     = HIL_KEYCODES_SET1_TBLSIZE;
-        kbd->dev.keycodesize    = sizeof(hil_kbd_set1[0]);
-        kbd->dev.keycode        = hil_kbd_set1;
-        kbd->dev.name           = strlen(kbd->rnm) ? kbd->rnm : HIL_GENERIC_NAME;
-        kbd->dev.phys           = "hpkbd/input0";       /* XXX */
+        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->keycodemax    = HIL_KEYCODES_SET1_TBLSIZE;
+        kbd->dev->keycodesize   = sizeof(hil_kbd_set1[0]);
+        kbd->dev->keycode       = hil_kbd_set1;
+        kbd->dev->name          = strlen(kbd->rnm) ? kbd->rnm : HIL_GENERIC_NAME;
+        kbd->dev->phys          = "hpkbd/input0";       /* XXX */
 
-        kbd->dev.id.bustype     = BUS_HIL;
-        kbd->dev.id.vendor      = PCI_VENDOR_ID_HP;
-        kbd->dev.id.product     = 0x0001; /* TODO: get from kbd->rsc */
-        kbd->dev.id.version     = 0x0100; /* TODO: get from kbd->rsc */
-        kbd->dev.dev            = &serio->dev;
+        kbd->dev->id.bustype    = BUS_HIL;
+        kbd->dev->id.vendor     = PCI_VENDOR_ID_HP;
+        kbd->dev->id.product    = 0x0001; /* TODO: get from kbd->rsc */
+        kbd->dev->id.version    = 0x0100; /* TODO: get from kbd->rsc */
+        kbd->dev->dev           = &serio->dev;
 
         for (i = 0; i < 128; i++) {
-                set_bit(hil_kbd_set1[i], kbd->dev.keybit);
-                set_bit(hil_kbd_set3[i], kbd->dev.keybit);
+                set_bit(hil_kbd_set1[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",
-                kbd->dev.name, did);
+                kbd->dev->name, did);
 
         serio->write(serio, 0);
         serio->write(serio, 0);
@@ -343,8 +346,10 @@ static int hil_kbd_connect(struct serio *serio, struct serio_driver *drv)
         up(&(kbd->sem));
 
         return 0;
- bail1:
+ bail2:
         serio_close(serio);
+ bail1:
+        input_free_device(kbd->dev);
  bail0:
         kfree(kbd);
         serio_set_drvdata(serio, NULL);
diff --git a/drivers/input/keyboard/hilkbd.c b/drivers/input/keyboard/hilkbd.c
index e95bc052e32a..452c5f3e6129 100644
--- a/drivers/input/keyboard/hilkbd.c
+++ b/drivers/input/keyboard/hilkbd.c
@@ -3,7 +3,7 @@
  *
  *  Copyright (C) 1998 Philip Blundell <philb@gnu.org>
  *  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.
  *  This driver handles the keyboard on HP300 (m68k) and on some 
@@ -90,7 +90,7 @@ static unsigned int hphilkeyb_keycode[HIL_KEYCODES_SET1_TBLSIZE] =
 
 /* HIL structure */
 static struct {
-        struct input_dev dev;
+        struct input_dev *dev;
 
         unsigned int curdev;
         
@@ -117,7 +117,7 @@ static void poll_finished(void)
                 down = (hil_dev.data[1] & 1) == 0;
                 scode = hil_dev.data[1] >> 1;
                 key = hphilkeyb_keycode[scode];
-                input_report_key(&hil_dev.dev, key, down);
+                input_report_key(hil_dev.dev, key, down);
                 break;
         }
         hil_dev.curdev = 0;
@@ -207,9 +207,14 @@ hil_keyb_init(void)
         unsigned int i, kbid;
         wait_queue_head_t hil_wait;
 
-        if (hil_dev.dev.id.bustype) {
+        if (hil_dev.dev) {
                 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 (!hwreg_present((void *)(HILBASE + HIL_DATA)))
@@ -247,28 +252,26 @@ hil_keyb_init(void)
         c = 0;
         hil_do(HIL_WRITEKBDSADR, &c, 1);
         
-        init_input_dev(&hil_dev.dev);
-
         for (i = 0; i < HIL_KEYCODES_SET1_TBLSIZE; i++)
                 if (hphilkeyb_keycode[i] != KEY_RESERVED)
-                        set_bit(hphilkeyb_keycode[i], hil_dev.dev.keybit);
-
-        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.keycodemax  = HIL_KEYCODES_SET1_TBLSIZE;
-        hil_dev.dev.keycodesize = sizeof(hphilkeyb_keycode[0]);
-        hil_dev.dev.keycode     = hphilkeyb_keycode;
-        hil_dev.dev.name        = "HIL keyboard";
-        hil_dev.dev.phys        = "hpkbd/input0";
-
-        hil_dev.dev.id.bustype  = BUS_HIL;
-        hil_dev.dev.id.vendor   = PCI_VENDOR_ID_HP;
-        hil_dev.dev.id.product  = 0x0001;
-        hil_dev.dev.id.version  = 0x0010;
-
-        input_register_device(&hil_dev.dev);
+                        set_bit(hphilkeyb_keycode[i], hil_dev.dev->keybit);
+
+        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->keycodemax  = HIL_KEYCODES_SET1_TBLSIZE;
+        hil_dev.dev->keycodesize = sizeof(hphilkeyb_keycode[0]);
+        hil_dev.dev->keycode     = hphilkeyb_keycode;
+        hil_dev.dev->name       = "HIL keyboard";
+        hil_dev.dev->phys       = "hpkbd/input0";
+
+        hil_dev.dev->id.bustype = BUS_HIL;
+        hil_dev.dev->id.vendor  = PCI_VENDOR_ID_HP;
+        hil_dev.dev->id.product = 0x0001;
+        hil_dev.dev->id.version = 0x0010;
+
+        input_register_device(hil_dev.dev);
         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;
 }
@@ -329,7 +332,10 @@ static void __exit hil_exit(void)
         /* Turn off interrupts */
         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)
         unregister_parisc_driver(&hil_driver);