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-rw-r--r--kernel/bpf/cpumap.c6
-rw-r--r--kernel/bpf/devmap.c3
-rw-r--r--net/xdp/xsk.c6
3 files changed, 10 insertions, 5 deletions
diff --git a/kernel/bpf/cpumap.c b/kernel/bpf/cpumap.c
index 4acf90cd79eb..fbdf5a1aabfe 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 9ca47eaacdd5..b18d4a14a0a7 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 de9c0322bc29..7e16336044b2 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;
}