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authorSowmini Varadhan <sowmini.varadhan@oracle.com>2017-07-06 08:15:06 -0700
committerDavid S. Miller <davem@davemloft.net>2017-07-08 11:16:16 +0100
commit0933a578cd55b02dc80f219dc8f2efb17ec61c9a (patch)
tree3aeaa3f1e2dd727a9d74e52337c43174a4280993 /net/rds
parent9dc351da7503b568fb877ad02688b29ad95c32af (diff)
downloadlinux-0933a578cd55b02dc80f219dc8f2efb17ec61c9a.tar.bz2
rds: tcp: use sock_create_lite() to create the accept socket
There are two problems with calling sock_create_kern() from rds_tcp_accept_one() 1. it sets up a new_sock->sk that is wasteful, because this ->sk is going to get replaced by inet_accept() in the subsequent ->accept() 2. The new_sock->sk is a leaked reference in sock_graft() which expects to find a null parent->sk Avoid these problems by calling sock_create_lite(). Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com> Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/rds')
-rw-r--r--net/rds/tcp_listen.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/rds/tcp_listen.c b/net/rds/tcp_listen.c
index c6dc8caaf5ca..c061d6eb465d 100644
--- a/net/rds/tcp_listen.c
+++ b/net/rds/tcp_listen.c
@@ -136,7 +136,7 @@ int rds_tcp_accept_one(struct socket *sock)
if (!sock) /* module unload or netns delete in progress */
return -ENETUNREACH;
- ret = sock_create_kern(sock_net(sock->sk), sock->sk->sk_family,
+ ret = sock_create_lite(sock->sk->sk_family,
sock->sk->sk_type, sock->sk->sk_protocol,
&new_sock);
if (ret)