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authorDmitry Torokhov <dtor@insightbb.com>2007-04-12 09:29:46 +0400
committerDmitry Torokhov <dtor@insightbb.com>2007-04-12 09:29:46 +0400
commit5b2a08262a8c952fef008154933953f083ca5766 (patch)
tree47fb54c30509a4c444613a1737a212ddda3bb05d /drivers/char/keyboard.c
parent6e782584e0713ea89da151333e7fe754c8f40324 (diff)
downloadlinux-5b2a08262a8c952fef008154933953f083ca5766.tar.xz
Input: rework handle creation code
- consolidate code for binding handlers to a device - return error codes from handlers connect() methods back to input core and log failures Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/char/keyboard.c')
-rw-r--r--drivers/char/keyboard.c28
1 files changed, 20 insertions, 8 deletions
diff --git a/drivers/char/keyboard.c b/drivers/char/keyboard.c
index 3d211e8553f7..59712546f911 100644
--- a/drivers/char/keyboard.c
+++ b/drivers/char/keyboard.c
@@ -41,7 +41,6 @@
#include <linux/input.h>
#include <linux/reboot.h>
-static void kbd_disconnect(struct input_handle *handle);
extern void ctrl_alt_del(void);
/*
@@ -1260,11 +1259,11 @@ static void kbd_event(struct input_handle *handle, unsigned int event_type,
* likes it, it can open it and get events from it. In this (kbd_connect)
* function, we should decide which VT to bind that keyboard to initially.
*/
-static struct input_handle *kbd_connect(struct input_handler *handler,
- struct input_dev *dev,
- const struct input_device_id *id)
+static int kbd_connect(struct input_handler *handler, struct input_dev *dev,
+ const struct input_device_id *id)
{
struct input_handle *handle;
+ int error;
int i;
for (i = KEY_RESERVED; i < BTN_MISC; i++)
@@ -1272,24 +1271,37 @@ static struct input_handle *kbd_connect(struct input_handler *handler,
break;
if (i == BTN_MISC && !test_bit(EV_SND, dev->evbit))
- return NULL;
+ return -ENODEV;
handle = kzalloc(sizeof(struct input_handle), GFP_KERNEL);
if (!handle)
- return NULL;
+ return -ENOMEM;
handle->dev = dev;
handle->handler = handler;
handle->name = "kbd";
- input_open_device(handle);
+ error = input_register_handle(handle);
+ if (error)
+ goto err_free_handle;
+
+ error = input_open_device(handle);
+ if (error)
+ goto err_unregister_handle;
+
+ return 0;
- return handle;
+ err_unregister_handle:
+ input_unregister_handle(handle);
+ err_free_handle:
+ kfree(handle);
+ return error;
}
static void kbd_disconnect(struct input_handle *handle)
{
input_close_device(handle);
+ input_unregister_handle(handle);
kfree(handle);
}