[PATCH] mm: clean up local variables

Clean up a local variable with the same name as a variable in a larger
block.  Also move a variable into the block where it's actually used.

Spotted by http://linuxicc.sourceforge.net/

Signed-off-by: Tobias Klauser <tklauser@nuerscht.ch>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/mm/swapfile.c b/mm/swapfile.c
index 6da4b28..80f948a 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -1493,7 +1493,7 @@
 			goto bad_swap;
 		if (swap_header->info.nr_badpages > MAX_SWAP_BADPAGES)
 			goto bad_swap;
-		
+
 		/* OK, set up the swap map and apply the bad block list */
 		if (!(p->swap_map = vmalloc(maxpages * sizeof(short)))) {
 			error = -ENOMEM;
@@ -1502,17 +1502,17 @@
 
 		error = 0;
 		memset(p->swap_map, 0, maxpages * sizeof(short));
-		for (i=0; i<swap_header->info.nr_badpages; i++) {
-			int page = swap_header->info.badpages[i];
-			if (page <= 0 || page >= swap_header->info.last_page)
+		for (i = 0; i < swap_header->info.nr_badpages; i++) {
+			int page_nr = swap_header->info.badpages[i];
+			if (page_nr <= 0 || page_nr >= swap_header->info.last_page)
 				error = -EINVAL;
 			else
-				p->swap_map[page] = SWAP_MAP_BAD;
+				p->swap_map[page_nr] = SWAP_MAP_BAD;
 		}
 		nr_good_pages = swap_header->info.last_page -
 				swap_header->info.nr_badpages -
 				1 /* header page */;
-		if (error) 
+		if (error)
 			goto bad_swap;
 	}