diff options
| author | Menglong Dong <imagedong@tencent.com> | 2022-02-05 15:47:38 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2022-02-07 11:18:49 +0000 |
| commit | 1379a92d38e31132e87d9b653e9343c7841a7348 (patch) | |
| tree | dacb74e16dbd2ecc9b414a4cf6b9a8f2906ab48f /net/ipv4/udp.c | |
| parent | 10580c4791902571777603cb980414892dd5f149 (diff) | |
| download | linux-next-1379a92d38e31132e87d9b653e9343c7841a7348.tar.gz | |
net: udp: use kfree_skb_reason() in udp_queue_rcv_one_skb()
Replace kfree_skb() with kfree_skb_reason() in udp_queue_rcv_one_skb().
Signed-off-by: Menglong Dong <imagedong@tencent.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/udp.c')
| -rw-r--r-- | net/ipv4/udp.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index 090360939401..952f5bf108a5 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -2120,14 +2120,17 @@ static int __udp_queue_rcv_skb(struct sock *sk, struct sk_buff *skb) */ static int udp_queue_rcv_one_skb(struct sock *sk, struct sk_buff *skb) { + int drop_reason = SKB_DROP_REASON_NOT_SPECIFIED; struct udp_sock *up = udp_sk(sk); int is_udplite = IS_UDPLITE(sk); /* * Charge it to the socket, dropping if the queue is full. */ - if (!xfrm4_policy_check(sk, XFRM_POLICY_IN, skb)) + if (!xfrm4_policy_check(sk, XFRM_POLICY_IN, skb)) { + drop_reason = SKB_DROP_REASON_XFRM_POLICY; goto drop; + } nf_reset_ct(skb); if (static_branch_unlikely(&udp_encap_needed_key) && up->encap_type) { @@ -2204,8 +2207,10 @@ static int udp_queue_rcv_one_skb(struct sock *sk, struct sk_buff *skb) udp_lib_checksum_complete(skb)) goto csum_error; - if (sk_filter_trim_cap(sk, skb, sizeof(struct udphdr))) + if (sk_filter_trim_cap(sk, skb, sizeof(struct udphdr))) { + drop_reason = SKB_DROP_REASON_SOCKET_FILTER; goto drop; + } udp_csum_pull_header(skb); @@ -2213,11 +2218,12 @@ static int udp_queue_rcv_one_skb(struct sock *sk, struct sk_buff *skb) return __udp_queue_rcv_skb(sk, skb); csum_error: + drop_reason = SKB_DROP_REASON_UDP_CSUM; __UDP_INC_STATS(sock_net(sk), UDP_MIB_CSUMERRORS, is_udplite); drop: __UDP_INC_STATS(sock_net(sk), UDP_MIB_INERRORS, is_udplite); atomic_inc(&sk->sk_drops); - kfree_skb(skb); + kfree_skb_reason(skb, drop_reason); return -1; } |