int i;
uint64_t offset = be64_to_cpu(l2_table[0]) & ~mask;
+ if (!offset)
+ return 0;
+
for (i = 0; i < nb_clusters; i++)
if (offset + i * cluster_size != (be64_to_cpu(l2_table[i]) & ~mask))
break;
/* how many available clusters ? */
while (i < nb_clusters) {
+ i += count_contiguous_clusters(nb_clusters - i, s->cluster_size,
+ &l2_table[l2_index + i], 0);
+
+ if(be64_to_cpu(l2_table[l2_index + i]))
+ break;
+
i += count_contiguous_free_clusters(nb_clusters - i,
&l2_table[l2_index + i]);
if ((cluster_offset & QCOW_OFLAG_COPIED) ||
(cluster_offset & QCOW_OFLAG_COMPRESSED))
break;
-
- i += count_contiguous_clusters(nb_clusters - i, s->cluster_size,
- &l2_table[l2_index + i], 0);
-
- if(be64_to_cpu(l2_table[l2_index + i]))
- break;
}
nb_clusters = i;