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vsock/virtio: free packets during the socket release

Browse source 
When the socket is released, we should free all packets
queued in the per-socket list in order to avoid a memory
leak.

Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Stefano Garzarella 2019-05-17 16:45:43 +02:00 • committed by David S. Miller
parent 532b0f7ece
commit ac03046ece
1 changed files with 7 additions and 0 deletions
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7
net/vmw_vsock/virtio_transport_common.c
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@ -786,12 +786,19 @@ static bool virtio_transport_close(struct vsock_sock *vsk)
void virtio_transport_release(struct vsock_sock *vsk) void virtio_transport_release(struct vsock_sock *vsk)
{ {
struct virtio_vsock_sock *vvs = vsk->trans;
struct virtio_vsock_pkt *pkt, *tmp;
struct sock *sk = &vsk->sk; struct sock *sk = &vsk->sk;
bool remove_sock = true; bool remove_sock = true;
lock_sock(sk); lock_sock(sk);
if (sk->sk_type == SOCK_STREAM) if (sk->sk_type == SOCK_STREAM)
remove_sock = virtio_transport_close(vsk); remove_sock = virtio_transport_close(vsk);
list_for_each_entry_safe(pkt, tmp, &vvs->rx_queue, list) {
list_del(&pkt->list);
virtio_transport_free_pkt(pkt);
}
release_sock(sk); release_sock(sk);
if (remove_sock) if (remove_sock)