4.19-stable review patch. If anyone has any objections, please let me know.
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From: Wang Hai wanghai38@huawei.com
[ Upstream commit c401ed1c709948e57945485088413e1bb5e94bd1 ]
The bcm_sysport_xmit() returns NETDEV_TX_OK without freeing skb in case of dma_map_single() fails, add dev_kfree_skb() to fix it.
Fixes: 80105befdb4b ("net: systemport: add Broadcom SYSTEMPORT Ethernet MAC driver") Signed-off-by: Wang Hai wanghai38@huawei.com Link: https://patch.msgid.link/20241014145115.44977-1-wanghai38@huawei.com Signed-off-by: Jakub Kicinski kuba@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/ethernet/broadcom/bcmsysport.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c index b3fc8745b5807..55b869f5c8255 100644 --- a/drivers/net/ethernet/broadcom/bcmsysport.c +++ b/drivers/net/ethernet/broadcom/bcmsysport.c @@ -1319,6 +1319,7 @@ static netdev_tx_t bcm_sysport_xmit(struct sk_buff *skb, netif_err(priv, tx_err, dev, "DMA map failed at %p (len=%d)\n", skb->data, skb_len); ret = NETDEV_TX_OK; + dev_kfree_skb_any(skb); goto out; }