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| author | Stanislav Fomichev <sdf@google.com> | 2020-05-08 10:46:10 -0700 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2020-05-09 00:48:20 +0200 |
| commit | cb0721c7e200750907bb8ef59b12646a5cb2dadf (patch) | |
| tree | 3c93173356e40ed0144c918bd845c2a50ee4ab4c /net/ipv4 | |
| parent | 488a23b89d175cc78f352417114f4f5a10470722 (diff) | |
| download | linux-cb0721c7e200750907bb8ef59b12646a5cb2dadf.tar.gz linux-cb0721c7e200750907bb8ef59b12646a5cb2dadf.tar.bz2 linux-cb0721c7e200750907bb8ef59b12646a5cb2dadf.zip | |
net: Refactor arguments of inet{,6}_bind
The intent is to add an additional bind parameter in the next commit.
Instead of adding another argument, let's convert all existing
flag arguments into an extendable bit field.
No functional changes.
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Andrey Ignatov <rdna@fb.com>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Link: https://lore.kernel.org/bpf/20200508174611.228805-4-sdf@google.com
Diffstat (limited to 'net/ipv4')
| -rw-r--r-- | net/ipv4/af_inet.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c index 6177c4ba0037..68e74b1b0f26 100644 --- a/net/ipv4/af_inet.c +++ b/net/ipv4/af_inet.c @@ -450,12 +450,12 @@ int inet_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len) if (err) return err; - return __inet_bind(sk, uaddr, addr_len, false, true); + return __inet_bind(sk, uaddr, addr_len, BIND_WITH_LOCK); } EXPORT_SYMBOL(inet_bind); int __inet_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len, - bool force_bind_address_no_port, bool with_lock) + u32 flags) { struct sockaddr_in *addr = (struct sockaddr_in *)uaddr; struct inet_sock *inet = inet_sk(sk); @@ -506,7 +506,7 @@ int __inet_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len, * would be illegal to use them (multicast/broadcast) in * which case the sending device address is used. */ - if (with_lock) + if (flags & BIND_WITH_LOCK) lock_sock(sk); /* Check these errors (active socket, double bind). */ @@ -520,7 +520,7 @@ int __inet_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len, /* Make sure we are allowed to bind here. */ if (snum || !(inet->bind_address_no_port || - force_bind_address_no_port)) { + (flags & BIND_FORCE_ADDRESS_NO_PORT))) { if (sk->sk_prot->get_port(sk, snum)) { inet->inet_saddr = inet->inet_rcv_saddr = 0; err = -EADDRINUSE; @@ -543,7 +543,7 @@ int __inet_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len, sk_dst_reset(sk); err = 0; out_release_sock: - if (with_lock) + if (flags & BIND_WITH_LOCK) release_sock(sk); out: return err; |