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authorChristoph Hellwig <hch@lst.de>2020-05-28 07:12:23 +0200
committerDavid S. Miller <davem@davemloft.net>2020-05-28 11:11:45 -0700
commit71c48eb81c9ecb6fed49dc33e7c9b621fdcb7bf8 (patch)
treef54423f3d3f22c039e685c108f98ea4d846bc9a0 /net/rds
parentc488aeadcbd002a992593e6090d54e8ac27c4310 (diff)
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tcp: add tcp_sock_set_keepidle
Add a helper to directly set the TCP_KEEP_IDLE 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.c5
1 files changed, 1 insertions, 4 deletions
diff --git a/net/rds/tcp_listen.c b/net/rds/tcp_listen.c
index 6f90ea077adc..79f9adc00811 100644
--- a/net/rds/tcp_listen.c
+++ b/net/rds/tcp_listen.c
@@ -52,10 +52,7 @@ int rds_tcp_keepalive(struct socket *sock)
if (ret < 0)
goto bail;
- ret = kernel_setsockopt(sock, IPPROTO_TCP, TCP_KEEPIDLE,
- (char *)&keepidle, sizeof(keepidle));
- if (ret < 0)
- goto bail;
+ tcp_sock_set_keepidle(sock->sk, keepidle);
/* KEEPINTVL is the interval between successive probes. We follow
* the model in xs_tcp_finish_connecting() and re-use keepidle.