diff options
| author | Yang Yingliang <yangyingliang@huawei.com> | 2022-12-05 22:13:33 +0800 |
|---|---|---|
| committer | Paolo Abeni <pabeni@redhat.com> | 2022-12-07 16:00:33 +0100 |
| commit | 9e624651859214fb2c4e442b059eba0aefcd0801 (patch) | |
| tree | 7bc5284204043079a1ce9fc01219522adbebd6af /drivers | |
| parent | 92439a859000c6f4c74160a3c08c1a519e3ca125 (diff) | |
| download | linux-9e624651859214fb2c4e442b059eba0aefcd0801.tar.bz2 | |
xen/netback: don't call kfree_skb() under spin_lock_irqsave()
It is not allowed to call kfree_skb() from hardware interrupt
context or with interrupts being disabled. So replace kfree_skb()
with dev_kfree_skb_irq() under spin_lock_irqsave().
Fixes: be81992f9086 ("xen/netback: don't queue unlimited number of packages")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Paul Durrant <paul@xen.org>
Link: https://lore.kernel.org/r/20221205141333.3974565-1-yangyingliang@huawei.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/xen-netback/rx.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/xen-netback/rx.c b/drivers/net/xen-netback/rx.c index 932762177110..d022206a0d17 100644 --- a/drivers/net/xen-netback/rx.c +++ b/drivers/net/xen-netback/rx.c @@ -92,7 +92,7 @@ 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); + dev_kfree_skb_irq(skb); queue->vif->dev->stats.rx_dropped++; } else { if (skb_queue_empty(&queue->rx_queue)) |