diff options
| author | Christoph Hellwig <hch@lst.de> | 2020-05-28 07:12:27 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-05-28 11:11:45 -0700 |
| commit | c4e446bf5a06a1db24b4f0115a89f0380a495c62 (patch) | |
| tree | a559ebc107bcfa1200b5f6120c99f9ce1163ad3d /net | |
| parent | 6ebf71bab9fb476fc8132be4c12b88201278f0ca (diff) | |
ipv4: add ip_sock_set_freebind
Add a helper to directly set the IP_FREEBIND sockopt from kernel space
without going through a fake uaccess.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/ipv4/ip_sockglue.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c index b43a29e11f4a..767838d2030d 100644 --- a/net/ipv4/ip_sockglue.c +++ b/net/ipv4/ip_sockglue.c @@ -581,6 +581,14 @@ void ip_sock_set_tos(struct sock *sk, int val) } 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); +} +EXPORT_SYMBOL(ip_sock_set_freebind); + /* * Socket option code for IP. This is the end of the line after any * TCP,UDP etc options on an IP socket. |