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| author | Thomas Zimmermann <tzimmermann@suse.de> | 2021-07-27 14:08:29 +0200 |
|---|---|---|
| committer | Thomas Zimmermann <tzimmermann@suse.de> | 2021-07-27 14:08:29 +0200 |
| commit | 8ee18e769dd621104fecad584c84ec3c4c9ef3fa (patch) | |
| tree | ec7db1631faeb9c5998924b29aa246cbb4a38517 /kernel/bpf/devmap.c | |
| parent | 44379b986424b02acfa6e8c85ec5d68d89d3ccc4 (diff) | |
| parent | ff1176468d368232b684f75e82563369208bc371 (diff) | |
Merge drm/drm-fixes into drm-misc-fixesdrm-misc-fixes-2021-07-28
Backmerging to get tree to v5.14-rc3, as requested by Daniel.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Diffstat (limited to 'kernel/bpf/devmap.c')
| -rw-r--r-- | kernel/bpf/devmap.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/kernel/bpf/devmap.c b/kernel/bpf/devmap.c index 2546dafd6672..fdc20892837c 100644 --- a/kernel/bpf/devmap.c +++ b/kernel/bpf/devmap.c @@ -558,7 +558,8 @@ int dev_map_enqueue_multi(struct xdp_buff *xdp, struct net_device *dev_rx, if (map->map_type == BPF_MAP_TYPE_DEVMAP) { for (i = 0; i < map->max_entries; i++) { - dst = READ_ONCE(dtab->netdev_map[i]); + dst = rcu_dereference_check(dtab->netdev_map[i], + rcu_read_lock_bh_held()); if (!is_valid_dst(dst, xdp, exclude_ifindex)) continue; @@ -654,7 +655,8 @@ int dev_map_redirect_multi(struct net_device *dev, struct sk_buff *skb, if (map->map_type == BPF_MAP_TYPE_DEVMAP) { for (i = 0; i < map->max_entries; i++) { - dst = READ_ONCE(dtab->netdev_map[i]); + dst = rcu_dereference_check(dtab->netdev_map[i], + rcu_read_lock_bh_held()); if (!dst || dst->dev->ifindex == exclude_ifindex) continue; |