diff options
Diffstat (limited to 'drivers/md/persistent-data/dm-btree.c')
| -rw-r--r-- | drivers/md/persistent-data/dm-btree.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/md/persistent-data/dm-btree.c b/drivers/md/persistent-data/dm-btree.c index 8aae0624a297..ef6e78d45d5b 100644 --- a/drivers/md/persistent-data/dm-btree.c +++ b/drivers/md/persistent-data/dm-btree.c @@ -366,7 +366,8 @@ static int btree_lookup_raw(struct ro_spine *s, dm_block_t block, uint64_t key, } while (!(flags & LEAF_NODE)); *result_key = le64_to_cpu(ro_node(s)->keys[i]); - memcpy(v, value_ptr(ro_node(s), i), value_size); + if (v) + memcpy(v, value_ptr(ro_node(s), i), value_size); return 0; } |