[PATCH 3/4] tcm_vhost: Fix vs->vs_endpoint checking in vhost_scsi_handle_vq()

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vs->vs_endpoint is protected by the vs->dev.mutex. Use
tcm_vhost_check_endpoint() to do check. The helper does the needed
locking for us.

Signed-off-by: Asias He <asias@xxxxxxxxxx>
Reviewed-by: Stefan Hajnoczi <stefanha@xxxxxxxxxx>
---
 drivers/vhost/tcm_vhost.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/vhost/tcm_vhost.c b/drivers/vhost/tcm_vhost.c
index 29612bc..61093d1 100644
--- a/drivers/vhost/tcm_vhost.c
+++ b/drivers/vhost/tcm_vhost.c
@@ -594,7 +594,7 @@ static void vhost_scsi_handle_vq(struct vhost_scsi *vs,
 	u8 target;
 
 	/* Must use ioctl VHOST_SCSI_SET_ENDPOINT */
-	if (unlikely(!vs->vs_endpoint))
+	if (!tcm_vhost_check_endpoint(vs))
 		return;
 
 	mutex_lock(&vq->mutex);
-- 
1.8.1.4

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