xen/netback: don't call kfree_skb() with interrupts disabled

[mirror_ubuntu-jammy-kernel.git] / drivers / net / xen-netback / rx.c

diff --git a/drivers/net/xen-netback/rx.c b/drivers/net/xen-netback/rx.c
index 9327621771109aa929c44c77e079b3f873426653..0ba754ebc5baafaf3f164c80934244e49263a45c 100644 (file)
--- a/drivers/net/xen-netback/rx.c
+++ b/drivers/net/xen-netback/rx.c
@@ -82,9 +82,10 @@ static bool xenvif_rx_ring_slots_available(struct xenvif_queue *queue)
        return false;
 }
 
-void xenvif_rx_queue_tail(struct xenvif_queue *queue, struct sk_buff *skb)
+bool xenvif_rx_queue_tail(struct xenvif_queue *queue, struct sk_buff *skb)
 {
        unsigned long flags;
+       bool ret = true;
 
        spin_lock_irqsave(&queue->rx_queue.lock, flags);
 
@@ -92,8 +93,7 @@ void xenvif_rx_queue_tail(struct xenvif_queue *queue, struct sk_buff *skb)
                struct net_device *dev = queue->vif->dev;
 
                netif_tx_stop_queue(netdev_get_tx_queue(dev, queue->id));
-               kfree_skb(skb);
-               queue->vif->dev->stats.rx_dropped++;
+               ret = false;
        } else {
                if (skb_queue_empty(&queue->rx_queue))
                        xenvif_update_needed_slots(queue, skb);
@@ -104,6 +104,8 @@ void xenvif_rx_queue_tail(struct xenvif_queue *queue, struct sk_buff *skb)
        }
 
        spin_unlock_irqrestore(&queue->rx_queue.lock, flags);
+
+       return ret;
 }
 
 static struct sk_buff *xenvif_rx_dequeue(struct xenvif_queue *queue)