staging: android: binder: fix sparse warnings

Fix sparse warnings by adding __user annotation to stucts.

This patch fixes the the following sparse warnings:

drivers/staging/android/binder.c:1343:76: warning:
incorrect type in argument 2 (different address spaces)
drivers/staging/android/binder.c:1343:76:
expected void [noderef] <asn:1>*ptr
drivers/staging/android/binder.c:1343:76: got void *binder
drivers/staging/android/binder.c:1567:57: warning:
incorrect type in argument 2 (different address spaces)
drivers/staging/android/binder.c:1567:57:
expected void const [noderef] <asn:1>*from
drivers/staging/android/binder.c:1567:57:
got void const *buffer
drivers/staging/android/binder.c:1573:46: warning:
incorrect type in argument 2 (different address spaces)
drivers/staging/android/binder.c:1573:46:
expected void const [noderef] <asn:1>*from
drivers/staging/android/binder.c:1573:46:
got void const *offsets
drivers/staging/android/binder.c:1603:76: warning:
incorrect type in argument 2 (different address spaces)
drivers/staging/android/binder.c:1603:76:
expected void [noderef] <asn:1>*ptr
drivers/staging/android/binder.c:1603:76: got void *binder
drivers/staging/android/binder.c:1605:64: warning:
incorrect type in argument 2 (different address spaces)
drivers/staging/android/binder.c:1605:64:
expected void [noderef] <asn:1>*ptr
drivers/staging/android/binder.c:1605:64: got void *binder
drivers/staging/android/binder.c:1605:76: warning:
incorrect type in argument 3 (different address spaces)
drivers/staging/android/binder.c:1605:76:
expected void [noderef] <asn:1>*cookie
drivers/staging/android/binder.c:1605:76: got void *cookie
drivers/staging/android/binder.c:1613:40: error:
incompatible types in comparison

Signed-off-by: Emil Goode <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/staging/android/binder.h

···
 
 	/* 8 bytes of data. */
 	union {
-		void		*binder;	/* local object */
+		void __user	*binder;	/* local object */
 		signed long	handle;		/* remote object */
 	};
 
 	/* extra data associated with local object */
-	void			*cookie;
+	void __user		*cookie;
 };
 
 /*
···
 	union {
 		struct {
 			/* transaction data */
-			const void	*buffer;
+			const void __user	*buffer;
 			/* offsets from buffer to flat_binder_object structs */
-			const void	*offsets;
+			const void __user	*offsets;
 		} ptr;
 		uint8_t	buf[8];
 	} data;