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    Subject[PATCH 4.19 34/48] net/rds: correct socket tunable error in rds_tcp_tune()
    Date
    From: William Kucharski <william.kucharski@oracle.com>

    commit 19f36edf14bcdb783aef3af8217df96f76a8ce34 upstream.

    Correct an error where setting /proc/sys/net/rds/tcp/rds_tcp_rcvbuf would
    instead modify the socket's sk_sndbuf and would leave sk_rcvbuf untouched.

    Fixes: c6a58ffed536 ("RDS: TCP: Add sysctl tunables for sndbuf/rcvbuf on rds-tcp socket")
    Signed-off-by: William Kucharski <william.kucharski@oracle.com>
    Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
    Signed-off-by: David S. Miller <davem@davemloft.net>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    ---
    net/rds/tcp.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    --- a/net/rds/tcp.c
    +++ b/net/rds/tcp.c
    @@ -502,7 +502,7 @@ void rds_tcp_tune(struct socket *sock)
    sk->sk_userlocks |= SOCK_SNDBUF_LOCK;
    }
    if (rtn->rcvbuf_size > 0) {
    - sk->sk_sndbuf = rtn->rcvbuf_size;
    + sk->sk_rcvbuf = rtn->rcvbuf_size;
    sk->sk_userlocks |= SOCK_RCVBUF_LOCK;
    }
    release_sock(sk);

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