--- zzzz-none-000/linux-2.6.32.61/drivers/mtd/mtdconcat.c	2013-06-10 09:43:48.000000000 +0000
+++ ar9-7330-650/linux-2.6.32.61/drivers/mtd/mtdconcat.c	2015-04-09 11:29:12.000000000 +0000
@@ -66,7 +66,6 @@
 
 		if (from >= subdev->size) {
 			/* Not destined for this subdev */
-			size = 0;
 			from -= subdev->size;
 			continue;
 		}
@@ -122,7 +121,6 @@
 		size_t size, retsize;
 
 		if (to >= subdev->size) {
-			size = 0;
 			to -= subdev->size;
 			continue;
 		}
@@ -532,7 +530,6 @@
 		uint64_t size;
 
 		if (ofs >= subdev->size) {
-			size = 0;
 			ofs -= subdev->size;
 			continue;
 		}
@@ -570,7 +567,6 @@
 		uint64_t size;
 
 		if (ofs >= subdev->size) {
-			size = 0;
 			ofs -= subdev->size;
 			continue;
 		}