diff --git a/fs/nilfs2/bmap.c b/fs/nilfs2/bmap.c
index f4a14ea..effdbdb 100644
--- a/fs/nilfs2/bmap.c
+++ b/fs/nilfs2/bmap.c
@@ -417,8 +417,8 @@
 
 	key = page_index(bh->b_page) << (PAGE_CACHE_SHIFT -
 					 bmap->b_inode->i_blkbits);
-	for (pbh = page_buffers(bh->b_page); pbh != bh;
-	     pbh = pbh->b_this_page, key++);
+	for (pbh = page_buffers(bh->b_page); pbh != bh; pbh = pbh->b_this_page)
+		key++;
 
 	return key;
 }
diff --git a/fs/nilfs2/cpfile.c b/fs/nilfs2/cpfile.c
index d5ad54e..1873781 100644
--- a/fs/nilfs2/cpfile.c
+++ b/fs/nilfs2/cpfile.c
@@ -328,19 +328,24 @@
 			tnicps += nicps;
 			nilfs_mdt_mark_buffer_dirty(cp_bh);
 			nilfs_mdt_mark_dirty(cpfile);
-			if (!nilfs_cpfile_is_in_first(cpfile, cno) &&
-			    (count = nilfs_cpfile_block_sub_valid_checkpoints(
-				    cpfile, cp_bh, kaddr, nicps)) == 0) {
-				/* make hole */
-				kunmap_atomic(kaddr, KM_USER0);
-				brelse(cp_bh);
-				ret = nilfs_cpfile_delete_checkpoint_block(
-					cpfile, cno);
-				if (ret == 0)
-					continue;
-				printk(KERN_ERR "%s: cannot delete block\n",
-				       __func__);
-				break;
+			if (!nilfs_cpfile_is_in_first(cpfile, cno)) {
+				count =
+				  nilfs_cpfile_block_sub_valid_checkpoints(
+						cpfile, cp_bh, kaddr, nicps);
+				if (count == 0) {
+					/* make hole */
+					kunmap_atomic(kaddr, KM_USER0);
+					brelse(cp_bh);
+					ret =
+					  nilfs_cpfile_delete_checkpoint_block(
+								   cpfile, cno);
+					if (ret == 0)
+						continue;
+					printk(KERN_ERR
+					       "%s: cannot delete block\n",
+					       __func__);
+					break;
+				}
 			}
 		}
 
diff --git a/fs/nilfs2/direct.c b/fs/nilfs2/direct.c
index d369ac7..236753d 100644
--- a/fs/nilfs2/direct.c
+++ b/fs/nilfs2/direct.c
@@ -51,11 +51,11 @@
 	struct nilfs_direct *direct;
 	__u64 ptr;
 
-	direct = (struct nilfs_direct *)bmap;
-	if ((key > NILFS_DIRECT_KEY_MAX) ||
-	    (level != 1) ||	/* XXX: use macro for level 1 */
-	    ((ptr = nilfs_direct_get_ptr(direct, key)) ==
-	     NILFS_BMAP_INVALID_PTR))
+	direct = (struct nilfs_direct *)bmap;  /* XXX: use macro for level 1 */
+	if (key > NILFS_DIRECT_KEY_MAX || level != 1)
+		return -ENOENT;
+	ptr = nilfs_direct_get_ptr(direct, key);
+	if (ptr == NILFS_BMAP_INVALID_PTR)
 		return -ENOENT;
 
 	if (ptrp != NULL)
@@ -73,9 +73,10 @@
 	sector_t blocknr;
 	int ret, cnt;
 
-	if (key > NILFS_DIRECT_KEY_MAX ||
-	    (ptr = nilfs_direct_get_ptr(direct, key)) ==
-	    NILFS_BMAP_INVALID_PTR)
+	if (key > NILFS_DIRECT_KEY_MAX)
+		return -ENOENT;
+	ptr = nilfs_direct_get_ptr(direct, key);
+	if (ptr == NILFS_BMAP_INVALID_PTR)
 		return -ENOENT;
 
 	if (NILFS_BMAP_USE_VBN(bmap)) {