[PATCH 4.9 48/59] svcrdma: Clear xpt_bc_xps in xprt_setup_rdma_bc() error exit arm

[Greg Kroah-Hartman]

4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Chuck Lever <chuck.le...@oracle.com>

commit 1b9f700b8cfc31089e2dfa5d0905c52fd4529b50 upstream.

Logic copied from xs_setup_bc_tcp().

Fixes: 39a9beab5acb ('rpc: share one xps between all backchannels')
Signed-off-by: Chuck Lever <chuck.le...@oracle.com>
Signed-off-by: J. Bruce Fields <bfie...@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>

---
 net/sunrpc/xprtrdma/svc_rdma_backchannel.c |    1 +
 1 file changed, 1 insertion(+)

--- a/net/sunrpc/xprtrdma/svc_rdma_backchannel.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_backchannel.c
@@ -359,6 +359,7 @@ xprt_setup_rdma_bc(struct xprt_create *a
 out_fail:
        xprt_rdma_free_addresses(xprt);
        args->bc_xprt->xpt_bc_xprt = NULL;
+       args->bc_xprt->xpt_bc_xps = NULL;
        xprt_put(xprt);
        xprt_free(xprt);
        return ERR_PTR(-EINVAL);