diff options
author | Christoph Hellwig <hch@lst.de> | 2020-05-28 08:12:10 +0300 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2020-05-28 21:11:44 +0300 |
commit | c433594c07457d2b2e41a87014bfad9bec279abf (patch) | |
tree | 2c878b9ba357b4a52aec683daa19a1c3cf759cec /net/core | |
parent | b58f0e8f38c0a44afa59601a115bd231f23471e1 (diff) | |
download | linux-c433594c07457d2b2e41a87014bfad9bec279abf.tar.xz |
net: add sock_no_linger
Add a helper to directly set the SO_LINGER sockopt from kernel space
with onoff set to true and a linger time of 0 without going through a
fake uaccess.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core')
-rw-r--r-- | net/core/sock.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/net/core/sock.c b/net/core/sock.c index 18eb84fdf5fb..f0f09524911c 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -720,6 +720,15 @@ void sock_set_reuseaddr(struct sock *sk) } EXPORT_SYMBOL(sock_set_reuseaddr); +void sock_no_linger(struct sock *sk) +{ + lock_sock(sk); + sk->sk_lingertime = 0; + sock_set_flag(sk, SOCK_LINGER); + release_sock(sk); +} +EXPORT_SYMBOL(sock_no_linger); + /* * This is meant for all protocols to use and covers goings on * at the socket level. Everything here is generic. |