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| author |   Menglong Dong <imagedong@tencent.com> | 2022-02-05 15:47:39 +0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2022-02-07 11:18:49 +0000 |
| commit | 08d4c0370c400fa6ef2194f9ee2e8dccc4a7ab39 (patch) | |
| tree | 93527fd2e749a2414d40572d5141eb20dffa96bc /net/ipv4/udp.c | |
| parent | net: udp: use kfree_skb_reason() in udp_queue_rcv_one_skb() (diff) | |
| download | linux-dev-08d4c0370c400fa6ef2194f9ee2e8dccc4a7ab39.tar.xz linux-dev-08d4c0370c400fa6ef2194f9ee2e8dccc4a7ab39.zip | |
net: udp: use kfree_skb_reason() in __udp_queue_rcv_skb()
Replace kfree_skb() with kfree_skb_reason() in __udp_queue_rcv_skb().
Following new drop reasons are introduced:
SKB_DROP_REASON_SOCKET_RCVBUFF
SKB_DROP_REASON_PROTO_MEM
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 | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index 952f5bf108a5..6b4d8361560f 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -2093,16 +2093,20 @@ static int __udp_queue_rcv_skb(struct sock *sk, struct sk_buff *skb) rc = __udp_enqueue_schedule_skb(sk, skb); if (rc < 0) { int is_udplite = IS_UDPLITE(sk); + int drop_reason; /* Note that an ENOMEM error is charged twice */ - if (rc == -ENOMEM) + if (rc == -ENOMEM) { UDP_INC_STATS(sock_net(sk), UDP_MIB_RCVBUFERRORS, is_udplite); - else + drop_reason = SKB_DROP_REASON_SOCKET_RCVBUFF; + } else { UDP_INC_STATS(sock_net(sk), UDP_MIB_MEMERRORS, is_udplite); + drop_reason = SKB_DROP_REASON_PROTO_MEM; + } UDP_INC_STATS(sock_net(sk), UDP_MIB_INERRORS, is_udplite); - kfree_skb(skb); + kfree_skb_reason(skb, drop_reason); trace_udp_fail_queue_rcv_skb(rc, sk); return -1; } |