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-rw-r--r--drivers/net/virtio_net.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index d88d4366d9ac..b082e1c39031 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -581,7 +581,7 @@ static void refill_work(struct work_struct *work)
bool still_empty;
int i;
- for (i = 0; i < vi->max_queue_pairs; i++) {
+ for (i = 0; i < vi->curr_queue_pairs; i++) {
struct receive_queue *rq = &vi->rq[i];
napi_disable(&rq->napi);
@@ -636,7 +636,7 @@ static int virtnet_open(struct net_device *dev)
struct virtnet_info *vi = netdev_priv(dev);
int i;
- for (i = 0; i < vi->max_queue_pairs; i++) {
+ for (i = 0; i < vi->curr_queue_pairs; i++) {
/* Make sure we have some buffers: if oom use wq. */
if (!try_fill_recv(&vi->rq[i], GFP_KERNEL))
schedule_delayed_work(&vi->refill, 0);
@@ -900,6 +900,7 @@ static int virtnet_set_queues(struct virtnet_info *vi, u16 queue_pairs)
struct scatterlist sg;
struct virtio_net_ctrl_mq s;
struct net_device *dev = vi->dev;
+ int i;
if (!vi->has_cvq || !virtio_has_feature(vi->vdev, VIRTIO_NET_F_MQ))
return 0;
@@ -912,8 +913,12 @@ static int virtnet_set_queues(struct virtnet_info *vi, u16 queue_pairs)
dev_warn(&dev->dev, "Fail to set num of queue pairs to %d\n",
queue_pairs);
return -EINVAL;
- } else
+ } else {
+ for (i = vi->curr_queue_pairs; i < queue_pairs; i++)
+ if (!try_fill_recv(&vi->rq[i], GFP_KERNEL))
+ schedule_delayed_work(&vi->refill, 0);
vi->curr_queue_pairs = queue_pairs;
+ }
return 0;
}
@@ -1566,7 +1571,7 @@ static int virtnet_probe(struct virtio_device *vdev)
}
/* Last of all, set up some receive buffers. */
- for (i = 0; i < vi->max_queue_pairs; i++) {
+ for (i = 0; i < vi->curr_queue_pairs; i++) {
try_fill_recv(&vi->rq[i], GFP_KERNEL);
/* If we didn't even get one input buffer, we're useless. */
@@ -1690,7 +1695,7 @@ static int virtnet_restore(struct virtio_device *vdev)
netif_device_attach(vi->dev);
- for (i = 0; i < vi->max_queue_pairs; i++)
+ for (i = 0; i < vi->curr_queue_pairs; i++)
if (!try_fill_recv(&vi->rq[i], GFP_KERNEL))
schedule_delayed_work(&vi->refill, 0);