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authorJakub Kicinski <kuba@kernel.org>2022-11-29 13:04:52 -0800
committerJakub Kicinski <kuba@kernel.org>2022-11-29 13:04:52 -0800
commitf2bb566f5c977ff010baaa9e5e14d9a75b06e5f2 (patch)
tree6359cc9169bd06bfb8b757a534c82886df605b71 /net/dccp
parent7a945ce0c19bbdf821d5f7ce1515e7fb8e444465 (diff)
parent01f856ae6d0ca5ad0505b79bf2d22d7ca439b2a1 (diff)
downloadlwn-f2bb566f5c977ff010baaa9e5e14d9a75b06e5f2.tar.gz
lwn-f2bb566f5c977ff010baaa9e5e14d9a75b06e5f2.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
tools/lib/bpf/ringbuf.c 927cbb478adf ("libbpf: Handle size overflow for ringbuf mmap") b486d19a0ab0 ("libbpf: checkpatch: Fixed code alignments in ringbuf.c") https://lore.kernel.org/all/20221121122707.44d1446a@canb.auug.org.au/ Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/dccp')
-rw-r--r--net/dccp/ipv4.c23
-rw-r--r--net/dccp/ipv6.c24
-rw-r--r--net/dccp/proto.c3
3 files changed, 11 insertions, 39 deletions
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index 713b7b8dad7e..b780827f5e0a 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -45,11 +45,10 @@ static unsigned int dccp_v4_pernet_id __read_mostly;
int dccp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
{
const struct sockaddr_in *usin = (struct sockaddr_in *)uaddr;
- struct inet_bind_hashbucket *prev_addr_hashbucket = NULL;
- __be32 daddr, nexthop, prev_sk_rcv_saddr;
struct inet_sock *inet = inet_sk(sk);
struct dccp_sock *dp = dccp_sk(sk);
__be16 orig_sport, orig_dport;
+ __be32 daddr, nexthop;
struct flowi4 *fl4;
struct rtable *rt;
int err;
@@ -91,26 +90,13 @@ int dccp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
daddr = fl4->daddr;
if (inet->inet_saddr == 0) {
- if (inet_csk(sk)->icsk_bind2_hash) {
- prev_addr_hashbucket =
- inet_bhashfn_portaddr(&dccp_hashinfo, sk,
- sock_net(sk),
- inet->inet_num);
- prev_sk_rcv_saddr = sk->sk_rcv_saddr;
- }
- inet->inet_saddr = fl4->saddr;
- }
-
- sk_rcv_saddr_set(sk, inet->inet_saddr);
-
- if (prev_addr_hashbucket) {
- err = inet_bhash2_update_saddr(prev_addr_hashbucket, sk);
+ err = inet_bhash2_update_saddr(sk, &fl4->saddr, AF_INET);
if (err) {
- inet->inet_saddr = 0;
- sk_rcv_saddr_set(sk, prev_sk_rcv_saddr);
ip_rt_put(rt);
return err;
}
+ } else {
+ sk_rcv_saddr_set(sk, inet->inet_saddr);
}
inet->inet_dport = usin->sin_port;
@@ -157,6 +143,7 @@ failure:
* This unhashes the socket and releases the local port, if necessary.
*/
dccp_set_state(sk, DCCP_CLOSED);
+ inet_bhash2_reset_saddr(sk);
ip_rt_put(rt);
sk->sk_route_caps = 0;
inet->inet_dport = 0;
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index ae62b1591dea..4260fe466993 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -934,26 +934,11 @@ static int dccp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
}
if (saddr == NULL) {
- struct inet_bind_hashbucket *prev_addr_hashbucket = NULL;
- struct in6_addr prev_v6_rcv_saddr;
-
- if (icsk->icsk_bind2_hash) {
- prev_addr_hashbucket = inet_bhashfn_portaddr(&dccp_hashinfo,
- sk, sock_net(sk),
- inet->inet_num);
- prev_v6_rcv_saddr = sk->sk_v6_rcv_saddr;
- }
-
saddr = &fl6.saddr;
- sk->sk_v6_rcv_saddr = *saddr;
-
- if (prev_addr_hashbucket) {
- err = inet_bhash2_update_saddr(prev_addr_hashbucket, sk);
- if (err) {
- sk->sk_v6_rcv_saddr = prev_v6_rcv_saddr;
- goto failure;
- }
- }
+
+ err = inet_bhash2_update_saddr(sk, saddr, AF_INET6);
+ if (err)
+ goto failure;
}
/* set the source address */
@@ -985,6 +970,7 @@ static int dccp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
late_failure:
dccp_set_state(sk, DCCP_CLOSED);
+ inet_bhash2_reset_saddr(sk);
__sk_dst_reset(sk);
failure:
inet->inet_dport = 0;
diff --git a/net/dccp/proto.c b/net/dccp/proto.c
index 9494b0d224f9..a06b5641287a 100644
--- a/net/dccp/proto.c
+++ b/net/dccp/proto.c
@@ -285,8 +285,7 @@ int dccp_disconnect(struct sock *sk, int flags)
inet->inet_dport = 0;
- if (!(sk->sk_userlocks & SOCK_BINDADDR_LOCK))
- inet_reset_saddr(sk);
+ inet_bhash2_reset_saddr(sk);
sk->sk_shutdown = 0;
sock_reset_flag(sk, SOCK_DONE);