iop-adma, mv_xor: fix mem leak on self-test setup failure

iop_adma_zero_sum_self_test has the brackets in the wrong place for the
setup failure deallocation path.  This error was duplicated in
mv_xor_xor_self_test.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

drivers/dma/iop-adma.c

@@ -928,19 +928,19 @@ iop_adma_xor_zero_sum_self_test(struct iop_adma_device *device)
 
 	for (src_idx = 0; src_idx < IOP_ADMA_NUM_SRC_TEST; src_idx++) {
 		xor_srcs[src_idx] = alloc_page(GFP_KERNEL);
-		if (!xor_srcs[src_idx])
-			while (src_idx--) {
+		if (!xor_srcs[src_idx]) {
+			while (src_idx--)
 				__free_page(xor_srcs[src_idx]);
-				return -ENOMEM;
-			}
+			return -ENOMEM;
+		}
 	}
 
 	dest = alloc_page(GFP_KERNEL);
-	if (!dest)
-		while (src_idx--) {
+	if (!dest) {
+		while (src_idx--)
 			__free_page(xor_srcs[src_idx]);
-			return -ENOMEM;
-		}
+		return -ENOMEM;
+	}
 
 	/* Fill in src buffers */
 	for (src_idx = 0; src_idx < IOP_ADMA_NUM_SRC_TEST; src_idx++) {