[PATCH v2 resend 2/4] net: ethernet: dnet: don't call dev_kfree_skb() under spin_lock_irqsave()
From: Yang Yingliang <hidden>
Date: 2022-12-08 03:29:42
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
It is not allowed to call consume_skb() from hardware interrupt
context or with interrupts being disabled. So Call it after the
spin_unlock_irqrestore().
Fixes: 4796417417a6 ("dnet: Dave DNET ethernet controller driver (updated)")
Signed-off-by: Yang Yingliang <redacted>
---
drivers/net/ethernet/dnet.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/dnet.c b/drivers/net/ethernet/dnet.c
index 08184f20f510..151ca9573be9 100644
--- a/drivers/net/ethernet/dnet.c
+++ b/drivers/net/ethernet/dnet.c@@ -550,11 +550,11 @@ static netdev_tx_t dnet_start_xmit(struct sk_buff *skb, struct net_device *dev) skb_tx_timestamp(skb); + spin_unlock_irqrestore(&bp->lock, flags); + /* free the buffer */ dev_kfree_skb(skb); - spin_unlock_irqrestore(&bp->lock, flags); - return NETDEV_TX_OK; }
--
2.25.1