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| author | Jason A. Donenfeld <Jason@zx2c4.com> | 2020-04-29 14:59:21 -0600 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-04-29 14:23:05 -0700 |
| commit | c21baa8fd865c29b17d814ba22220e3c0e08632c (patch) | |
| tree | ce369235a7e9ed6aaff4e0404090d5591755ba51 | |
| parent | f32b6afc4fa68dbffe6c791aee39f595be1067f5 (diff) | |
| download | wireguard-linux-trimmed-c21baa8fd865c29b17d814ba22220e3c0e08632c.tar.gz wireguard-linux-trimmed-c21baa8fd865c29b17d814ba22220e3c0e08632c.zip | |
wireguard: queueing: cleanup ptr_ring in error path of packet_queue_init
Prior, if the alloc_percpu of packet_percpu_multicore_worker_alloc
failed, the previously allocated ptr_ring wouldn't be freed. This commit
adds the missing call to ptr_ring_cleanup in the error case.
Reported-by: Sultan Alsawaf <sultan@kerneltoast.com>
Fixes: a8f1bc7bdea3 ("net: WireGuard secure network tunnel")
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/wireguard/queueing.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/wireguard/queueing.c b/drivers/net/wireguard/queueing.c index 5c964fc..71b8e80 100644 --- a/drivers/net/wireguard/queueing.c +++ b/drivers/net/wireguard/queueing.c @@ -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); } |