diff options
| author | Xin Long <lucien.xin@gmail.com> | 2021-06-22 21:04:57 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-06-22 21:28:52 +0300 |
| commit | 237a6a2e318c1ed7429e72f2640054bdda91646f (patch) | |
| tree | e1a1f07d467cfae9341102710ea5249e09bb37d7 /net/sctp | |
| parent | 7307e4fa4d295f6dc017fe4b19467c486a1275d7 (diff) | |
| download | linux-237a6a2e318c1ed7429e72f2640054bdda91646f.tar.xz | |
sctp: remove the unessessary hold for idev in sctp_v6_err
Same as in tcp_v6_err() and __udp6_lib_err(), there's no need to
hold idev in sctp_v6_err(), so just call __in6_dev_get() instead.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sctp')
| -rw-r--r-- | net/sctp/ipv6.c | 12 |
1 files changed, 2 insertions, 10 deletions
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c index bd08807c9e44..50ed4de18069 100644 --- a/net/sctp/ipv6.c +++ b/net/sctp/ipv6.c @@ -126,7 +126,6 @@ static struct notifier_block sctp_inet6addr_notifier = { static int sctp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, u8 type, u8 code, int offset, __be32 info) { - struct inet6_dev *idev; struct sock *sk; struct sctp_association *asoc; struct sctp_transport *transport; @@ -135,8 +134,6 @@ static int sctp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, int err, ret = 0; struct net *net = dev_net(skb->dev); - idev = in6_dev_get(skb->dev); - /* Fix up skb to look at the embedded net header. */ saveip = skb->network_header; savesctp = skb->transport_header; @@ -147,9 +144,8 @@ static int sctp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, skb->network_header = saveip; skb->transport_header = savesctp; if (!sk) { - __ICMP6_INC_STATS(net, idev, ICMP6_MIB_INERRORS); - ret = -ENOENT; - goto out; + __ICMP6_INC_STATS(net, __in6_dev_get(skb->dev), ICMP6_MIB_INERRORS); + return -ENOENT; } /* Warning: The sock lock is held. Remember to call @@ -185,10 +181,6 @@ static int sctp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, out_unlock: sctp_err_finish(sk, transport); -out: - if (likely(idev != NULL)) - in6_dev_put(idev); - return ret; } |