net/handshake: Remove unneeded check from handshake_dup()

handshake_req_submit() now verifies that the socket has a file.

Fixes: 3b3009ea8abb ("net/handshake: Create a NETLINK service for handling handshake requests")
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/handshake/netlink.c b/net/handshake/netlink.c
index 35c9c44..7ec8a76 100644 (file)
--- a/net/handshake/netlink.c
+++ b/net/handshake/netlink.c
@@ -99,9 +99,6 @@ static int handshake_dup(struct socket *sock)
        struct file *file;
        int newfd;
 
-       if (!sock->file)
-               return -EBADF;
-
        file = get_file(sock->file);
        newfd = get_unused_fd_flags(O_CLOEXEC);
        if (newfd < 0) {