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authorChristoph Hellwig <hch@lst.de>2020-05-28 08:12:15 +0300
committerDavid S. Miller <davem@davemloft.net>2020-05-28 21:11:44 +0300
commitce3d9544cecacd40389c399d2b7ca31acc533b70 (patch)
tree188689107da003fa8137181ab48f6ad973414acc /net/rds
parent783da70e83967efeacf3c02c9dcfdc2b17bd62eb (diff)
downloadlinux-ce3d9544cecacd40389c399d2b7ca31acc533b70.tar.xz
net: add sock_set_keepalive
Add a helper to directly set the SO_KEEPALIVE 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/rds')
-rw-r--r--net/rds/tcp_listen.c6
1 files changed, 1 insertions, 5 deletions
diff --git a/net/rds/tcp_listen.c b/net/rds/tcp_listen.c
index bbb31b9c0b39..d8bd13276959 100644
--- a/net/rds/tcp_listen.c
+++ b/net/rds/tcp_listen.c
@@ -43,13 +43,9 @@ int rds_tcp_keepalive(struct socket *sock)
/* values below based on xs_udp_default_timeout */
int keepidle = 5; /* send a probe 'keepidle' secs after last data */
int keepcnt = 5; /* number of unack'ed probes before declaring dead */
- int keepalive = 1;
int ret = 0;
- ret = kernel_setsockopt(sock, SOL_SOCKET, SO_KEEPALIVE,
- (char *)&keepalive, sizeof(keepalive));
- if (ret < 0)
- goto bail;
+ sock_set_keepalive(sock->sk);
ret = kernel_setsockopt(sock, IPPROTO_TCP, TCP_KEEPCNT,
(char *)&keepcnt, sizeof(keepcnt));