diff options
Diffstat (limited to 'net/tipc/crypto.c')
| -rw-r--r-- | net/tipc/crypto.c | 23 |
1 files changed, 8 insertions, 15 deletions
diff --git a/net/tipc/crypto.c b/net/tipc/crypto.c index dc60c32bb70d..9325479295b8 100644 --- a/net/tipc/crypto.c +++ b/net/tipc/crypto.c @@ -597,6 +597,10 @@ static int tipc_aead_init(struct tipc_aead **aead, struct tipc_aead_key *ukey, tmp->cloned = NULL; tmp->authsize = TIPC_AES_GCM_TAG_SIZE; tmp->key = kmemdup(ukey, tipc_aead_key_size(ukey), GFP_KERNEL); + if (!tmp->key) { + tipc_aead_free(&tmp->rcu); + return -ENOMEM; + } memcpy(&tmp->salt, ukey->key + keylen, TIPC_AES_GCM_SALT_SIZE); atomic_set(&tmp->users, 0); atomic64_set(&tmp->seqno, 0); @@ -757,21 +761,10 @@ static int tipc_aead_encrypt(struct tipc_aead *aead, struct sk_buff *skb, skb_tailroom(skb), tailen); } - if (unlikely(!skb_cloned(skb) && tailen <= skb_tailroom(skb))) { - nsg = 1; - trailer = skb; - } else { - /* TODO: We could avoid skb_cow_data() if skb has no frag_list - * e.g. by skb_fill_page_desc() to add another page to the skb - * with the wanted tailen... However, page skbs look not often, - * so take it easy now! - * Cloned skbs e.g. from link_xmit() seems no choice though :( - */ - nsg = skb_cow_data(skb, tailen, &trailer); - if (unlikely(nsg < 0)) { - pr_err("TX: skb_cow_data() returned %d\n", nsg); - return nsg; - } + nsg = skb_cow_data(skb, tailen, &trailer); + if (unlikely(nsg < 0)) { + pr_err("TX: skb_cow_data() returned %d\n", nsg); + return nsg; } pskb_put(skb, trailer, tailen); |