diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_rx.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c index b036710ba52c..42cd687e6608 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c @@ -737,10 +737,10 @@ static inline struct sk_buff *skb_from_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe, u16 wqe_counter, u32 cqe_bcnt) { - struct bpf_prog *xdp_prog = READ_ONCE(rq->xdp_prog); struct mlx5e_dma_info *di; struct sk_buff *skb; void *va, *data; + bool consumed; di = &rq->dma_info[wqe_counter]; va = page_address(di->page); @@ -759,7 +759,11 @@ struct sk_buff *skb_from_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe, return NULL; } - if (mlx5e_xdp_handle(rq, xdp_prog, di, data, cqe_bcnt)) + rcu_read_lock(); + consumed = mlx5e_xdp_handle(rq, READ_ONCE(rq->xdp_prog), di, data, + cqe_bcnt); + rcu_read_unlock(); + if (consumed) return NULL; /* page/packet was consumed by XDP */ skb = build_skb(va, RQ_PAGE_SIZE(rq)); |