Reset eBPF prog pointer to NULL if mtk_open routine in mtk_xdp_setup() fails. Fixes: 7c26c20da5d42 ("net: ethernet: mtk_eth_soc: add basic XDP support") Suggested-by: Paolo Valerio Signed-off-by: Lorenzo Bianconi --- drivers/net/ethernet/mediatek/mtk_eth_soc.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index e5e2ffa9c542bfc88dc0d7553d0a6b2a169ec74b..e199f2e243d21f3545e8282ab821135e0962f5c3 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -3751,8 +3751,16 @@ static int mtk_xdp_setup(struct net_device *dev, struct bpf_prog *prog, if (old_prog) bpf_prog_put(old_prog); - if (netif_running(dev) && need_update) - return mtk_open(dev); + if (netif_running(dev) && need_update) { + int err; + + err = mtk_open(dev); + if (err) { + rcu_assign_pointer(eth->prog, NULL); + + return err; + } + } return 0; } --- base-commit: fd6dad4e1ae296b67b87291256878a58dad36c93 change-id: 20260227-mtk-xdp-prog-ptr-fix-af59b9cce7ba Best regards, -- Lorenzo Bianconi