Commit 068ddfa9 authored by Dr. David Alan Gilbert's avatar Dr. David Alan Gilbert Committed by Michael S. Tsirkin
Browse files

virtio_net: use RCU_READ_LOCK_GUARD 



Use RCU_READ_LOCK_GUARD rather than the manual rcu_read_(un)lock call.

Signed-off-by: default avatarDr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20191025103403.120616-3-dgilbert@redhat.com>
Reviewed-by: default avatarMichael S. Tsirkin <mst@redhat.com>
Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>
parent 7a064bcc

hw/net/virtio-net.c

+2 −5
Original line number Diff line number Diff line
@@ -1490,12 +1490,9 @@ static ssize_t virtio_net_receive_rcu(NetClientState *nc, const uint8_t *buf, 
static ssize_t virtio_net_do_receive(NetClientState *nc, const uint8_t *buf,

                                  size_t size)

{

    ssize_t r;

    RCU_READ_LOCK_GUARD();



    rcu_read_lock();

    r = virtio_net_receive_rcu(nc, buf, size);

    rcu_read_unlock();

    return r;

    return virtio_net_receive_rcu(nc, buf, size);

}



static void virtio_net_rsc_extract_unit4(VirtioNetRscChain *chain,