[PATCH] get_cpu_sysdev() signedness fix

Doing (int < NR_CPUS) doesn't dtrt if it's negative..

Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c
index 07a7f97..29f3d75 100644
--- a/drivers/base/cpu.c
+++ b/drivers/base/cpu.c
@@ -141,7 +141,7 @@
 	return error;
 }
 
-struct sys_device *get_cpu_sysdev(int cpu)
+struct sys_device *get_cpu_sysdev(unsigned cpu)
 {
 	if (cpu < NR_CPUS)
 		return cpu_sys_devices[cpu];