[PULL 12/14] virtio/vhost: Use auto_rcu_read macros

[Michael S. Tsirkin]

From: "Dr. David Alan Gilbert" <address@hidden>

Use RCU_READ_LOCK_GUARD instead of manual rcu_read_(un)lock

Signed-off-by: Dr. David Alan Gilbert <address@hidden>
Message-Id: <address@hidden>
Reviewed-by: Michael S. Tsirkin <address@hidden>
Signed-off-by: Michael S. Tsirkin <address@hidden>
---
 hw/virtio/vhost.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c
index 99de5f196f..4da0d5a6c5 100644
--- a/hw/virtio/vhost.c
+++ b/hw/virtio/vhost.c
@@ -924,7 +924,7 @@ int vhost_device_iotlb_miss(struct vhost_dev *dev, uint64_t 
iova, int write)
     uint64_t uaddr, len;
     int ret = -EFAULT;
 
-    rcu_read_lock();
+    RCU_READ_LOCK_GUARD();
 
     trace_vhost_iotlb_miss(dev, 1);
 
@@ -956,8 +956,6 @@ int vhost_device_iotlb_miss(struct vhost_dev *dev, uint64_t 
iova, int write)
     trace_vhost_iotlb_miss(dev, 2);
 
 out:
-    rcu_read_unlock();
-
     return ret;
 }
 
-- 
MST