Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: make sure input interfaces pin parent input devices
  Input: apm-power - fix crash when unloading modules
  Input: pxa27x - fix keypad KPC macros

drivers/input/apm-power.c

@@ -63,8 +63,6 @@ static int apmpower_connect(struct input_handler *handler,
 	handle->handler = handler;
 	handle->name = "apm-power";
 
-	handler->private = handle;
-
 	error = input_register_handle(handle);
 	if (error) {
 		printk(KERN_ERR
@@ -87,11 +85,10 @@ static int apmpower_connect(struct input_handler *handler,
 	return 0;
 }
 
-static void apmpower_disconnect(struct input_handle *handler)
+static void apmpower_disconnect(struct input_handle *handle)
 {
-	struct input_handle *handle = handler->private;
-
 	input_close_device(handle);
+	input_unregister_handle(handle);
 	kfree(handle);
 }
 

drivers/input/evdev.c

@@ -124,6 +124,7 @@ static void evdev_free(struct device *dev)
 {
 	struct evdev *evdev = container_of(dev, struct evdev, dev);
 
+	input_put_device(evdev->handle.dev);
 	kfree(evdev);
 }
 
@@ -853,9 +854,6 @@ static void evdev_cleanup(struct evdev *evdev)
 	evdev_hangup(evdev);
 	evdev_remove_chrdev(evdev);
 
-	if (evdev->grab)
-		evdev_ungrab(evdev, evdev->grab);
-
 	/* evdev is marked dead so no one else accesses evdev->open */
 	if (evdev->open) {
 		input_flush_device(handle, NULL);
@@ -896,7 +894,7 @@ static int evdev_connect(struct input_handler *handler, struct input_dev *dev,
 	evdev->exist = 1;
 	evdev->minor = minor;
 
-	evdev->handle.dev = dev;
+	evdev->handle.dev = input_get_device(dev);
 	evdev->handle.name = evdev->name;
 	evdev->handle.handler = handler;
 	evdev->handle.private = evdev;

drivers/input/joydev.c

@@ -171,6 +171,7 @@ static void joydev_free(struct device *dev)
 {
 	struct joydev *joydev = container_of(dev, struct joydev, dev);
 
+	input_put_device(joydev->handle.dev);
 	kfree(joydev);
 }
 
@@ -750,7 +751,7 @@ static int joydev_connect(struct input_handler *handler, struct input_dev *dev,
 	joydev->minor = minor;
 
 	joydev->exist = 1;
-	joydev->handle.dev = dev;
+	joydev->handle.dev = input_get_device(dev);
 	joydev->handle.name = joydev->name;
 	joydev->handle.handler = handler;
 	joydev->handle.private = joydev;

drivers/input/keyboard/pxa27x_keypad.c

@@ -50,9 +50,9 @@
 #define KPKDI           0x0048
 
 /* bit definitions */
-#define KPC_MKRN(n)	((((n) & 0x7) - 1) << 26) /* matrix key row number */
-#define KPC_MKCN(n)	((((n) & 0x7) - 1) << 23) /* matrix key column number */
-#define KPC_DKN(n)	((((n) & 0x7) - 1) << 6)  /* direct key number */
+#define KPC_MKRN(n)	((((n) - 1) & 0x7) << 26) /* matrix key row number */
+#define KPC_MKCN(n)	((((n) - 1) & 0x7) << 23) /* matrix key column number */
+#define KPC_DKN(n)	((((n) - 1) & 0x7) << 6)  /* direct key number */
 
 #define KPC_AS          (0x1 << 30)  /* Automatic Scan bit */
 #define KPC_ASACT       (0x1 << 29)  /* Automatic Scan on Activity */

drivers/input/mousedev.c

@@ -414,6 +414,7 @@ static void mousedev_free(struct device *dev)
 {
 	struct mousedev *mousedev = container_of(dev, struct mousedev, dev);
 
+	input_put_device(mousedev->handle.dev);
 	kfree(mousedev);
 }
 
@@ -865,7 +866,7 @@ static struct mousedev *mousedev_create(struct input_dev *dev,
 
 	mousedev->minor = minor;
 	mousedev->exist = 1;
-	mousedev->handle.dev = dev;
+	mousedev->handle.dev = input_get_device(dev);
 	mousedev->handle.name = mousedev->name;
 	mousedev->handle.handler = handler;
 	mousedev->handle.private = mousedev;

include/linux/input.h

@@ -1227,11 +1227,12 @@ void input_free_device(struct input_dev *dev);
 
 static inline struct input_dev *input_get_device(struct input_dev *dev)
 {
-	return to_input_dev(get_device(&dev->dev));
+	return dev ? to_input_dev(get_device(&dev->dev)) : NULL;
 }
 
 static inline void input_put_device(struct input_dev *dev)
 {
+	if (dev)
 		put_device(&dev->dev);
 }