diff options
Diffstat (limited to 'net/core')
| -rw-r--r-- | net/core/filter.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/net/core/filter.c b/net/core/filter.c index 80200f719028..d7dbe412cb9e 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -3237,7 +3237,7 @@ void xdp_do_flush_map(void) } EXPORT_SYMBOL_GPL(xdp_do_flush_map); -static void *__xdp_map_lookup_elem(struct bpf_map *map, u32 index) +static inline void *__xdp_map_lookup_elem(struct bpf_map *map, u32 index) { switch (map->map_type) { case BPF_MAP_TYPE_DEVMAP: @@ -3280,7 +3280,7 @@ static int xdp_do_redirect_map(struct net_device *dev, struct xdp_buff *xdp, WRITE_ONCE(ri->map, NULL); fwd = __xdp_map_lookup_elem(map, index); - if (!fwd) { + if (unlikely(!fwd)) { err = -EINVAL; goto err; } @@ -3308,7 +3308,7 @@ int xdp_do_redirect(struct net_device *dev, struct xdp_buff *xdp, u32 index = ri->ifindex; int err; - if (map) + if (likely(map)) return xdp_do_redirect_map(dev, xdp, xdp_prog, map); fwd = dev_get_by_index_rcu(dev_net(dev), index); |