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| author | Eric Dumazet <edumazet@google.com> | 2023-08-16 08:15:37 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2023-08-16 11:09:17 +0100 |
| commit | 3f7e753206bb20fc098b44ec40001befd1fe18d1 (patch) | |
| tree | 2dbbbbfceaea1fc24ad2d095debef470312e3f2a /net/ipv4/ip_sockglue.c | |
| parent | 8e8cfb114d9f1e2efddb892f993c1ad61635c85e (diff) | |
| download | linux-stable-3f7e753206bb20fc098b44ec40001befd1fe18d1.tar.gz linux-stable-3f7e753206bb20fc098b44ec40001befd1fe18d1.tar.bz2 linux-stable-3f7e753206bb20fc098b44ec40001befd1fe18d1.zip | |
inet: move inet->freebind to inet->inet_flags
IP_FREEBIND socket option can now be set/read
without locking the socket.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/ip_sockglue.c')
| -rw-r--r-- | net/ipv4/ip_sockglue.c | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c index f75f44ad7b11..6af843106312 100644 --- a/net/ipv4/ip_sockglue.c +++ b/net/ipv4/ip_sockglue.c @@ -608,9 +608,7 @@ EXPORT_SYMBOL(ip_sock_set_tos); void ip_sock_set_freebind(struct sock *sk) { - lock_sock(sk); - inet_sk(sk)->freebind = true; - release_sock(sk); + inet_set_bit(FREEBIND, sk); } EXPORT_SYMBOL(ip_sock_set_freebind); @@ -985,6 +983,11 @@ int do_ip_setsockopt(struct sock *sk, int level, int optname, return -EINVAL; inet_assign_bit(RECVERR_RFC4884, sk, val); return 0; + case IP_FREEBIND: + if (optlen < 1) + return -EINVAL; + inet_assign_bit(FREEBIND, sk, val); + return 0; } err = 0; @@ -1310,12 +1313,6 @@ int do_ip_setsockopt(struct sock *sk, int level, int optname, inet->mc_all = val; break; - case IP_FREEBIND: - if (optlen < 1) - goto e_inval; - inet->freebind = !!val; - break; - case IP_IPSEC_POLICY: case IP_XFRM_POLICY: err = -EPERM; @@ -1578,6 +1575,9 @@ int do_ip_getsockopt(struct sock *sk, int level, int optname, case IP_RECVERR_RFC4884: val = inet_test_bit(RECVERR_RFC4884, sk); goto copyval; + case IP_FREEBIND: + val = inet_test_bit(FREEBIND, sk); + goto copyval; } if (needs_rtnl) @@ -1737,9 +1737,6 @@ int do_ip_getsockopt(struct sock *sk, int level, int optname, len -= msg.msg_controllen; return copy_to_sockptr(optlen, &len, sizeof(int)); } - case IP_FREEBIND: - val = inet->freebind; - break; case IP_TRANSPARENT: val = inet->transparent; break; |