diff options
| author |   Christoph Hellwig <hch@lst.de> | 2020-05-28 07:12:28 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2020-05-28 11:11:45 -0700 |
| commit | db45c0ef258ef6c7ef3c1b8ea9e06e133e083c27 (patch) | |
| tree | d71c69e4f586945dbc9c586ee267ae4bbd3ce7fe /net/ipv4 | |
| parent | ipv4: add ip_sock_set_freebind (diff) | |
| download | linux-dev-db45c0ef258ef6c7ef3c1b8ea9e06e133e083c27.tar.xz linux-dev-db45c0ef258ef6c7ef3c1b8ea9e06e133e083c27.zip | |
ipv4: add ip_sock_set_recverr
Add a helper to directly set the IP_RECVERR sockopt from kernel space
without going through a fake uaccess.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: David Howells <dhowells@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4')
| -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 767838d2030d..aca6b81da9ba 100644 --- a/net/ipv4/ip_sockglue.c +++ b/net/ipv4/ip_sockglue.c @@ -589,6 +589,14 @@ void ip_sock_set_freebind(struct sock *sk) } EXPORT_SYMBOL(ip_sock_set_freebind); +void ip_sock_set_recverr(struct sock *sk) +{ + lock_sock(sk); + inet_sk(sk)->recverr = true; + release_sock(sk); +} +EXPORT_SYMBOL(ip_sock_set_recverr); + /* * Socket option code for IP. This is the end of the line after any * TCP,UDP etc options on an IP socket. |