Signed-off-by: Asias He <asias@xxxxxxxxxx>
---
drivers/vhost/test.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/vhost/test.c b/drivers/vhost/test.c
index dc526eb..435b911 100644
--- a/drivers/vhost/test.c
+++ b/drivers/vhost/test.c
@@ -48,11 +48,12 @@ static void handle_vq(struct vhost_test *n)
size_t len, total_len = 0;
void *private;
- private = rcu_dereference_check(vq->private_data, 1);
- if (!private)
- return;
mutex_lock(&vq->mutex);
+ private = vq->private_data;
+ if (!private)
+ goto out;
+
vhost_disable_notify(&n->dev, vq);
for (;;) {
@@ -89,7 +90,7 @@ static void handle_vq(struct vhost_test *n)
break;
}
}
-
+out:
mutex_unlock(&vq->mutex);
}
--
1.8.1.4
--
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