diff options
Diffstat (limited to 'net/batman-adv/aggregation.c')
| -rw-r--r-- | net/batman-adv/aggregation.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/net/batman-adv/aggregation.c b/net/batman-adv/aggregation.c index 9b9459024479..a8c32030527c 100644 --- a/net/batman-adv/aggregation.c +++ b/net/batman-adv/aggregation.c @@ -23,6 +23,7 @@ #include "aggregation.h" #include "send.h" #include "routing.h" +#include "hard-interface.h" /* calculate the size of the tt information for a given packet */ static int tt_len(struct batman_packet *batman_packet) @@ -105,12 +106,15 @@ static void new_aggregated_packet(unsigned char *packet_buff, int packet_len, struct forw_packet *forw_packet_aggr; unsigned char *skb_buff; + if (!atomic_inc_not_zero(&if_incoming->refcount)) + return; + /* own packet should always be scheduled */ if (!own_packet) { if (!atomic_dec_not_zero(&bat_priv->batman_queue_left)) { bat_dbg(DBG_BATMAN, bat_priv, "batman packet queue full\n"); - return; + goto out; } } @@ -118,7 +122,7 @@ static void new_aggregated_packet(unsigned char *packet_buff, int packet_len, if (!forw_packet_aggr) { if (!own_packet) atomic_inc(&bat_priv->batman_queue_left); - return; + goto out; } if ((atomic_read(&bat_priv->aggregated_ogms)) && @@ -133,7 +137,7 @@ static void new_aggregated_packet(unsigned char *packet_buff, int packet_len, if (!own_packet) atomic_inc(&bat_priv->batman_queue_left); kfree(forw_packet_aggr); - return; + goto out; } skb_reserve(forw_packet_aggr->skb, sizeof(struct ethhdr)); @@ -164,6 +168,10 @@ static void new_aggregated_packet(unsigned char *packet_buff, int packet_len, queue_delayed_work(bat_event_workqueue, &forw_packet_aggr->delayed_work, send_time - jiffies); + + return; +out: + hardif_free_ref(if_incoming); } /* aggregate a new packet into the existing aggregation */ |