dm: avoid useless 'else' after 'break' or return'

Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>

drivers/md/dm-stripe.c

@@ -259,11 +259,11 @@ static int stripe_map_range(struct stripe_c *sc, struct bio *bio,
 			sc->stripe[target_stripe].physical_start;
 		bio->bi_iter.bi_size = to_bytes(end - begin);
 		return DM_MAPIO_REMAPPED;
-	} else {
+	}
+
 	/* The range doesn't map to the target stripe */
 	bio_endio(bio);
 	return DM_MAPIO_SUBMITTED;
-	}
 }
 
 static int stripe_map(struct dm_target *ti, struct bio *bio)

drivers/md/dm-thin-metadata.c

@@ -1612,7 +1612,7 @@ static int __find_mapped_range(struct dm_thin_device *td,
 		if (r) {
 			if (r == -ENODATA)
 				break;
-			else
+
 			return r;
 		}
 

drivers/md/dm-verity-target.c

@@ -110,7 +110,8 @@ static int verity_hash_update(struct dm_verity *v, struct ahash_request *req,
 		sg_init_one(&sg, data, len);
 		ahash_request_set_crypt(req, &sg, NULL, len);
 		return crypto_wait_req(crypto_ahash_update(req), wait);
-	} else {
+	}
+
 	do {
 		int r;
 		size_t this_step = min_t(size_t, len, PAGE_SIZE - offset_in_page(data));
@@ -125,8 +126,8 @@ static int verity_hash_update(struct dm_verity *v, struct ahash_request *req,
 		data += this_step;
 		len -= this_step;
 	} while (len);
+
 	return 0;
-	}
 }
 
 /*

drivers/md/dm-writecache.c

@@ -623,17 +623,17 @@ static struct wc_entry *writecache_find_entry(struct dm_writecache *wc,
 		if (unlikely(!node)) {
 			if (!(flags & WFE_RETURN_FOLLOWING))
 				return NULL;
-			if (read_original_sector(wc, e) >= block) {
+			if (read_original_sector(wc, e) >= block)
 				return e;
-			} else {
+
 			node = rb_next(&e->rb_node);
 			if (unlikely(!node))
 				return NULL;
+
 			e = container_of(node, struct wc_entry, rb_node);
 			return e;
 		}
 	}
-	}
 
 	while (1) {
 		struct wc_entry *e2;

drivers/md/persistent-data/dm-btree.c

@@ -1352,7 +1352,7 @@ static int find_key(struct ro_spine *s, dm_block_t block, bool find_highest,
 		i = le32_to_cpu(ro_node(s)->header.nr_entries);
 		if (!i)
 			return -ENODATA;
-		else
+
 		i--;
 
 		if (find_highest)

drivers/md/persistent-data/dm-space-map-common.c

@@ -793,13 +793,12 @@ static int __sm_ll_dec_overflow(struct ll_disk *ll, dm_block_t b,
 	rc = le32_to_cpu(*v_ptr);
 	*old_rc = rc;
 
-	if (rc == 3) {
+	if (rc == 3)
 		return __sm_ll_del_overflow(ll, b, ic);
-	} else {
+
 	rc--;
 	*v_ptr = cpu_to_le32(rc);
 	return 0;
-	}
 }
 
 static int sm_ll_dec_overflow(struct ll_disk *ll, dm_block_t b,