[PATCH net] dpaa2-eth: fix xdp_rxq_info leak in dpaa2_eth_setup_rx_flow
From: Fushuai Wang <hidden>
Date: 2025-06-24 14:43:14
Also in:
lkml
Subsystem:
dpaa2 ethernet driver, networking drivers, the rest · Maintainers:
Ioana Ciornei, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
When xdp_rxq_info_reg_mem_model() fails after a successful
xdp_rxq_info_reg(), the kernel may leaks the registered RXQ
info structure. Fix this by calling xdp_rxq_info_unreg() in
the error path, ensuring proper cleanup when memory model
registration fails.
Fixes: d678be1dc1ec ("dpaa2-eth: add XDP_REDIRECT support")
Signed-off-by: Fushuai Wang <redacted>
---
drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
index 2ec2c3dab250..b4a62eae4719 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c@@ -3939,6 +3939,7 @@ static int dpaa2_eth_setup_rx_flow(struct dpaa2_eth_priv *priv, MEM_TYPE_PAGE_ORDER0, NULL); if (err) { dev_err(dev, "xdp_rxq_info_reg_mem_model failed\n"); + xdp_rxq_info_unreg(&fq->channel->xdp_rxq); return err; }
--
2.36.1