diff options
Diffstat (limited to 'net/batman-adv/unicast.c')
| -rw-r--r-- | net/batman-adv/unicast.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/net/batman-adv/unicast.c b/net/batman-adv/unicast.c index d46acc81513..b46cbf1507e 100644 --- a/net/batman-adv/unicast.c +++ b/net/batman-adv/unicast.c @@ -221,15 +221,17 @@ int frag_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv, struct hard_iface *hard_iface, uint8_t dstaddr[]) { struct unicast_packet tmp_uc, *unicast_packet; + struct hard_iface *primary_if; struct sk_buff *frag_skb; struct unicast_frag_packet *frag1, *frag2; int uc_hdr_len = sizeof(struct unicast_packet); int ucf_hdr_len = sizeof(struct unicast_frag_packet); int data_len = skb->len - uc_hdr_len; - int large_tail = 0; + int large_tail = 0, ret = NET_RX_DROP; uint16_t seqno; - if (!bat_priv->primary_if) + primary_if = primary_if_get_selected(bat_priv); + if (!primary_if) goto dropped; frag_skb = dev_alloc_skb(data_len - (data_len / 2) + ucf_hdr_len); @@ -254,7 +256,7 @@ int frag_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv, frag1->version = COMPAT_VERSION; frag1->packet_type = BAT_UNICAST_FRAG; - memcpy(frag1->orig, bat_priv->primary_if->net_dev->dev_addr, ETH_ALEN); + memcpy(frag1->orig, primary_if->net_dev->dev_addr, ETH_ALEN); memcpy(frag2, frag1, sizeof(struct unicast_frag_packet)); if (data_len & 1) @@ -269,13 +271,17 @@ int frag_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv, send_skb_packet(skb, hard_iface, dstaddr); send_skb_packet(frag_skb, hard_iface, dstaddr); - return NET_RX_SUCCESS; + ret = NET_RX_SUCCESS; + goto out; drop_frag: kfree_skb(frag_skb); dropped: kfree_skb(skb); - return NET_RX_DROP; +out: + if (primary_if) + hardif_free_ref(primary_if); + return ret; } int unicast_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv) |