[PATCH] kernel/hrtimer.c sparse warning fix

fix the following sparse warning:

kernel/hrtimer.c:665:34: warning: incorrect type in argument 2 (different address spaces)
kernel/hrtimer.c:665:34: expected void const *from
kernel/hrtimer.c:665:34: got struct timespec [noderef] *<noident><asn:1>
kernel/hrtimer.c:664:2: warning: dereference of noderef expression

Signed-off-by: Ingo Molnar <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

kernel/hrtimer.c

···
 static long __sched
 nanosleep_restart(struct restart_block *restart, clockid_t clockid)
 {
-	struct timespec __user *rmtp, tu;
+	struct timespec __user *rmtp;
+	struct timespec tu;
 	void *rfn_save = restart->fn;
 	struct hrtimer timer;
 	ktime_t rem;