NTFS: load_attribute_list() bug fix from Szaka.

fs/ntfs/ChangeLog

@@ -24,6 +24,8 @@ ToDo:
 
 	- super.c::parse_ntfs_boot_sector(): Correct the check for 64-bit
 	  clusters. (Philipp Thomas)
+	- attrib.c::load_attribute_list(): Fix bug when initialized_size is a
+	  multiple of the block_size but not the cluster size. (Szaka)
 
 2.1.2 - Important bug fixes aleviating the hangs in statfs.
 

fs/ntfs/attrib.c

@@ -1238,11 +1238,9 @@ int load_attribute_list(ntfs_volume *vol, run_list *run_list, u8 *al,
 	unsigned char block_size_bits = sb->s_blocksize_bits;
 
 	ntfs_debug("Entering.");
-#ifdef DEBUG
 	if (!vol || !run_list || !al || size <= 0 || initialized_size < 0 ||
 			initialized_size > size)
 		return -EINVAL;
-#endif
 	if (!initialized_size) {
 		memset(al, 0, size);
 		return 0;
@@ -1273,8 +1271,8 @@ int load_attribute_list(ntfs_volume *vol, run_list *run_list, u8 *al,
 						"read attribute list.");
 				goto err_out;
 			}
-			if (al + block_size > al_end)
-				goto do_partial;
+			if (al + block_size >= al_end)
+				goto do_final;
 			memcpy(al, bh->b_data, block_size);
 			brelse(bh);
 			al += block_size;
@@ -1288,7 +1286,7 @@ int load_attribute_list(ntfs_volume *vol, run_list *run_list, u8 *al,
 done:
 	up_read(&run_list->lock);
 	return err;
-do_partial:
+do_final:
 	if (al < al_end) {
 		/* Partial block. */
 		memcpy(al, bh->b_data, al_end - al);