diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-07-26 11:16:46 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-07-26 11:16:46 +0200 |
| commit | d842bc6c0579ca7643eed029beabab3ac562a335 (patch) | |
| tree | 6e1f1521efe88b095b14a759ea15aa81e7b0e33f /kernel/bpf/devmap.c | |
| parent | 8e6cb5d27e8246d9c986ec162d066a502d2b602b (diff) | |
| parent | ff1176468d368232b684f75e82563369208bc371 (diff) | |
| download | lwn-d842bc6c0579ca7643eed029beabab3ac562a335.tar.gz lwn-d842bc6c0579ca7643eed029beabab3ac562a335.zip | |
Merge v5.14-rc3 into usb-next
We need the fixes in here, and this resolves a merge issue with
drivers/usb/dwc3/gadget.c
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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; |