X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_vhost%2Fvhost_rxtx.c;h=a6330f8f520be3475d7c43b3b943808dbc5ff2ce;hb=fb871d0a4dc1c038a381c524cdb86fe83d21d842;hp=ca939d660121671a225e2d02d53f6914559ad675;hpb=a436f53ebfeb5a76df1e2248db8064e9dab8e739;p=dpdk.git

diff --git a/lib/librte_vhost/vhost_rxtx.c b/lib/librte_vhost/vhost_rxtx.c
index ca939d6601..a6330f8f52 100644
--- a/lib/librte_vhost/vhost_rxtx.c
+++ b/lib/librte_vhost/vhost_rxtx.c
@@ -333,7 +333,8 @@ virtio_dev_rx(struct virtio_net *dev, uint16_t queue_id,
 	rte_mb();
 
 	/* Kick the guest if necessary. */
-	if (!(vq->avail->flags & VRING_AVAIL_F_NO_INTERRUPT))
+	if (!(vq->avail->flags & VRING_AVAIL_F_NO_INTERRUPT)
+			&& (vq->callfd >= 0))
 		eventfd_write(vq->callfd, (eventfd_t)1);
 	return count;
 }
@@ -586,7 +587,8 @@ virtio_dev_merge_rx(struct virtio_net *dev, uint16_t queue_id,
 		rte_mb();
 
 		/* Kick the guest if necessary. */
-		if (!(vq->avail->flags & VRING_AVAIL_F_NO_INTERRUPT))
+		if (!(vq->avail->flags & VRING_AVAIL_F_NO_INTERRUPT)
+				&& (vq->callfd >= 0))
 			eventfd_write(vq->callfd, (eventfd_t)1);
 	}
 
@@ -929,7 +931,8 @@ rte_vhost_dequeue_burst(struct virtio_net *dev, uint16_t queue_id,
 			sizeof(vq->used->idx));
 
 	/* Kick guest if required. */
-	if (!(vq->avail->flags & VRING_AVAIL_F_NO_INTERRUPT))
+	if (!(vq->avail->flags & VRING_AVAIL_F_NO_INTERRUPT)
+			&& (vq->callfd >= 0))
 		eventfd_write(vq->callfd, (eventfd_t)1);
 
 out: