x86: have set_memory_array_{uc,wb} coalesce memtypes, fix

Fix the start addr for free_memtype calls in the error path.
Signed-off-by: NVenkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Acked-by: NRene Herman <rene.herman@keyaccess.nl>
Signed-off-by: NIngo Molnar <mingo@elte.hu>

arch/x86/mm/pageattr.c

@@ -967,7 +967,7 @@ int set_memory_array_uc(unsigned long *addr, int addrinarray)
 
 		if (tmp == start)
 			break;
-		for (end = start + PAGE_SIZE; i < addrinarray - 1; end += PAGE_SIZE) {
+		for (end = tmp + PAGE_SIZE; i < addrinarray - 1; end += PAGE_SIZE) {
 			if (end != __pa(addr[i + 1]))
 				break;
 			i++;