diff options
Diffstat (limited to 'drivers/staging/batman-adv/originator.c')
| -rw-r--r-- | drivers/staging/batman-adv/originator.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/drivers/staging/batman-adv/originator.c b/drivers/staging/batman-adv/originator.c index 6a1fdf2b702..71bd2cf421c 100644 --- a/drivers/staging/batman-adv/originator.c +++ b/drivers/staging/batman-adv/originator.c @@ -77,6 +77,9 @@ create_neighbor(struct orig_node *orig_node, struct orig_node *orig_neigh_node, bat_dbg(DBG_BATMAN, "Creating new last-hop neighbor of originator\n"); neigh_node = kmalloc(sizeof(struct neigh_node), GFP_ATOMIC); + if (!neigh_node) + return NULL; + memset(neigh_node, 0, sizeof(struct neigh_node)); INIT_LIST_HEAD(&neigh_node->list); @@ -127,6 +130,9 @@ struct orig_node *get_orig_node(uint8_t *addr) bat_dbg(DBG_BATMAN, "Creating new originator: %s \n", orig_str); orig_node = kmalloc(sizeof(struct orig_node), GFP_ATOMIC); + if (!orig_node) + return NULL; + memset(orig_node, 0, sizeof(struct orig_node)); INIT_LIST_HEAD(&orig_node->neigh_list); @@ -138,13 +144,20 @@ struct orig_node *get_orig_node(uint8_t *addr) size = num_ifs * sizeof(TYPE_OF_WORD) * NUM_WORDS; orig_node->bcast_own = kmalloc(size, GFP_ATOMIC); + if (!orig_node->bcast_own) + goto free_orig_node; + memset(orig_node->bcast_own, 0, size); size = num_ifs * sizeof(uint8_t); orig_node->bcast_own_sum = kmalloc(size, GFP_ATOMIC); + if (!orig_node->bcast_own_sum) + goto free_bcast_own; + memset(orig_node->bcast_own_sum, 0, size); - hash_add(orig_hash, orig_node); + if (hash_add(orig_hash, orig_node) < 0) + goto free_bcast_own_sum; if (orig_hash->elements * 4 > orig_hash->size) { swaphash = hash_resize(orig_hash, orig_hash->size * 2); @@ -157,6 +170,13 @@ struct orig_node *get_orig_node(uint8_t *addr) } return orig_node; +free_bcast_own_sum: + kfree(orig_node->bcast_own_sum); +free_bcast_own: + kfree(orig_node->bcast_own); +free_orig_node: + kfree(orig_node); + return NULL; } static bool purge_orig_neighbors(struct orig_node *orig_node, |