diff options
Diffstat (limited to 'drivers/net/ethernet/mediatek/mtk_eth_soc.c')
| -rw-r--r-- | drivers/net/ethernet/mediatek/mtk_eth_soc.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index e5e2ffa9c542..ddc321a02fda 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -3748,12 +3748,21 @@ static int mtk_xdp_setup(struct net_device *dev, struct bpf_prog *prog, mtk_stop(dev); old_prog = rcu_replace_pointer(eth->prog, prog, lockdep_rtnl_is_held()); + + if (netif_running(dev) && need_update) { + int err; + + err = mtk_open(dev); + if (err) { + rcu_assign_pointer(eth->prog, old_prog); + + return err; + } + } + if (old_prog) bpf_prog_put(old_prog); - if (netif_running(dev) && need_update) - return mtk_open(dev); - return 0; } |