[PATCH 2/2] virtio_net: use RCU_READ_LOCK_GUARD

["Dr. David Alan Gilbert (git)" <dgilbert@redhat.com>]

From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>

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

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
---
 hw/net/virtio-net.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c
index 9f11422337..80622861a8 100644
--- a/hw/net/virtio-net.c
+++ b/hw/net/virtio-net.c
@@ -1369,12 +1369,9 @@ 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,
-- 
2.23.0