Fixup rq_for_each_segment() indentation

Remove one level of nesting where appropriate.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index 36ba458..44adf84 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -1206,14 +1206,13 @@
 	count = 0;
 	cidaw = 0;
 	rq_for_each_segment(bv, req, iter) {
-			if (bv->bv_len & (blksize - 1))
-				/* Eckd can only do full blocks. */
-				return ERR_PTR(-EINVAL);
-			count += bv->bv_len >> (device->s2b_shift + 9);
+		if (bv->bv_len & (blksize - 1))
+			/* Eckd can only do full blocks. */
+			return ERR_PTR(-EINVAL);
+		count += bv->bv_len >> (device->s2b_shift + 9);
 #if defined(CONFIG_64BIT)
-			if (idal_is_needed (page_address(bv->bv_page),
-					    bv->bv_len))
-				cidaw += bv->bv_len >> (device->s2b_shift + 9);
+		if (idal_is_needed (page_address(bv->bv_page), bv->bv_len))
+			cidaw += bv->bv_len >> (device->s2b_shift + 9);
 #endif
 	}
 	/* Paranoia. */