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Merge branch 'wireguard-fixes'

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Jason A. Donenfeld says:

====================
wireguard fixes for 5.7-rc4

This series contains two fixes and a cleanup for wireguard:

1) Removal of a spurious newline, from Sultan Alsawaf.

2) Fix for a memory leak in an error path, in which memory allocated
   prior to the error wasn't freed, reported by Sultan Alsawaf.

3) Fix to ECN support to use RFC6040 properly like all the other tunnel
   drivers, from Toke Høiland-Jørgensen.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2020-04-29 14:23:05 -07:00
commit 30724ccbfc
3 changed files with 5 additions and 6 deletions
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4
drivers/net/wireguard/queueing.c
View File

@ -35,8 +35,10 @@ int wg_packet_queue_init(struct crypt_queue *queue, work_func_t function,
if (multicore) {
queue->worker = wg_packet_percpu_multicore_worker_alloc(
function, queue);
if (!queue->worker)
if (!queue->worker) {
ptr_ring_cleanup(&queue->ring, NULL);
return -ENOMEM;
}
} else {
INIT_WORK(&queue->work, function);
}

6
drivers/net/wireguard/receive.c
View File

@ -393,13 +393,11 @@ static void wg_packet_consume_data_done(struct wg_peer *peer,
len = ntohs(ip_hdr(skb)->tot_len);
if (unlikely(len < sizeof(struct iphdr)))
goto dishonest_packet_size;
if (INET_ECN_is_ce(PACKET_CB(skb)->ds))
IP_ECN_set_ce(ip_hdr(skb));
INET_ECN_decapsulate(skb, PACKET_CB(skb)->ds, ip_hdr(skb)->tos);
} else if (skb->protocol == htons(ETH_P_IPV6)) {
len = ntohs(ipv6_hdr(skb)->payload_len) +
sizeof(struct ipv6hdr);
if (INET_ECN_is_ce(PACKET_CB(skb)->ds))
IP6_ECN_set_ce(skb, ipv6_hdr(skb));
INET_ECN_decapsulate(skb, PACKET_CB(skb)->ds, ipv6_get_dsfield(ipv6_hdr(skb)));
} else {
goto dishonest_packet_type;
}

1
drivers/net/wireguard/send.c
View File

@ -304,7 +304,6 @@ void wg_packet_encrypt_worker(struct work_struct *work)
}
wg_queue_enqueue_per_peer(&PACKET_PEER(first)->tx_queue, first,
state);
}
}