diff options
Diffstat (limited to 'net/sunrpc/xprtsock.c')
| -rw-r--r-- | net/sunrpc/xprtsock.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index 0ef4dd4414ec..ee091c869fcd 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -2359,6 +2359,15 @@ static struct rpc_xprt *xs_setup_bc_tcp(struct xprt_create *args) struct svc_sock *bc_sock; struct rpc_xprt *ret; + if (args->bc_xprt->xpt_bc_xprt) { + /* + * This server connection already has a backchannel + * export; we can't create a new one, as we wouldn't be + * able to match replies based on xid any more. So, + * reuse the already-existing one: + */ + return args->bc_xprt->xpt_bc_xprt; + } xprt = xs_setup_xprt(args, xprt_tcp_slot_table_entries); if (IS_ERR(xprt)) return xprt; @@ -2397,15 +2406,6 @@ static struct rpc_xprt *xs_setup_bc_tcp(struct xprt_create *args) xprt->address_strings[RPC_DISPLAY_PROTO]); /* - * The backchannel uses the same socket connection as the - * forechannel - */ - if (args->bc_xprt->xpt_bc_xprt) { - /* XXX: actually, want to catch this case... */ - ret = ERR_PTR(-EINVAL); - goto out_err; - } - /* * Once we've associated a backchannel xprt with a connection, * we want to keep it around as long as long as the connection * lasts, in case we need to start using it for a backchannel |