diff --git a/kernel/bpf/cpumap.c b/kernel/bpf/cpumap.c index 4acf90cd79eb4..fbdf5a1aabfe4 100644 --- a/kernel/bpf/cpumap.c +++ b/kernel/bpf/cpumap.c @@ -707,7 +707,6 @@ static void bq_flush_to_queue(struct xdp_bulk_queue *bq) */ static void bq_enqueue(struct bpf_cpu_map_entry *rcpu, struct xdp_frame *xdpf) { - struct list_head *flush_list = bpf_net_ctx_get_cpu_map_flush_list(); struct xdp_bulk_queue *bq = this_cpu_ptr(rcpu->bulkq); if (unlikely(bq->count == CPU_MAP_BULK_SIZE)) @@ -724,8 +723,11 @@ static void bq_enqueue(struct bpf_cpu_map_entry *rcpu, struct xdp_frame *xdpf) */ bq->q[bq->count++] = xdpf; - if (!bq->flush_node.prev) + if (!bq->flush_node.prev) { + struct list_head *flush_list = bpf_net_ctx_get_cpu_map_flush_list(); + list_add(&bq->flush_node, flush_list); + } } int cpu_map_enqueue(struct bpf_cpu_map_entry *rcpu, struct xdp_frame *xdpf, diff --git a/kernel/bpf/devmap.c b/kernel/bpf/devmap.c index 9ca47eaacdd5e..b18d4a14a0a70 100644 --- a/kernel/bpf/devmap.c +++ b/kernel/bpf/devmap.c @@ -448,7 +448,6 @@ static void *__dev_map_lookup_elem(struct bpf_map *map, u32 key) static void bq_enqueue(struct net_device *dev, struct xdp_frame *xdpf, struct net_device *dev_rx, struct bpf_prog *xdp_prog) { - struct list_head *flush_list = bpf_net_ctx_get_dev_flush_list(); struct xdp_dev_bulk_queue *bq = this_cpu_ptr(dev->xdp_bulkq); if (unlikely(bq->count == DEV_MAP_BULK_SIZE)) @@ -462,6 +461,8 @@ static void bq_enqueue(struct net_device *dev, struct xdp_frame *xdpf, * are only ever modified together. */ if (!bq->dev_rx) { + struct list_head *flush_list = bpf_net_ctx_get_dev_flush_list(); + bq->dev_rx = dev_rx; bq->xdp_prog = xdp_prog; list_add(&bq->flush_node, flush_list); diff --git a/net/xdp/xsk.c b/net/xdp/xsk.c index de9c0322bc294..7e16336044b2d 100644 --- a/net/xdp/xsk.c +++ b/net/xdp/xsk.c @@ -370,15 +370,17 @@ static int xsk_rcv(struct xdp_sock *xs, struct xdp_buff *xdp) int __xsk_map_redirect(struct xdp_sock *xs, struct xdp_buff *xdp) { - struct list_head *flush_list = bpf_net_ctx_get_xskmap_flush_list(); int err; err = xsk_rcv(xs, xdp); if (err) return err; - if (!xs->flush_node.prev) + if (!xs->flush_node.prev) { + struct list_head *flush_list = bpf_net_ctx_get_xskmap_flush_list(); + list_add(&xs->flush_node, flush_list); + } return 0; }