/*
* Allocate both the target array and offset array at once.
- * Append an empty entry to catch sectors beyond the end of
- * the device.
*/
- n_highs = (sector_t *) dm_vcalloc(num + 1, sizeof(struct dm_target) +
+ n_highs = (sector_t *) dm_vcalloc(num, sizeof(struct dm_target) +
sizeof(sector_t));
if (!n_highs)
return -ENOMEM;
/*
* Search the btree for the correct target.
*
- * Caller should check returned pointer with dm_target_is_valid()
+ * Caller should check returned pointer for NULL
* to trap I/O beyond end of device.
*/
struct dm_target *dm_table_find_target(struct dm_table *t, sector_t sector)
sector_t *node;
if (unlikely(sector >= dm_table_get_size(t)))
- return &t->targets[t->num_targets];
+ return NULL;
for (l = 0; l < t->depth; l++) {
n = get_child(n, k);