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virtio_net: use RCU_READ_LOCK_GUARD

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

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20191025103403.120616-3-dgilbert@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Dr. David Alan Gilbert 2019-10-25 11:34:03 +01:00 committed by Michael S. Tsirkin
parent 7a064bcc66
commit 068ddfa970
1 changed files with 2 additions and 5 deletions
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7
hw/net/virtio-net.c
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@ -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,