PN_PIPE_INVALID_HANDLE
(val >= 0) && (val < PN_PIPE_INVALID_HANDLE))
if (val == PN_PIPE_INVALID_HANDLE)
if (pipe_handle == PN_PIPE_INVALID_HANDLE)
pep_ctrlreq_error(sk, skb, PN_PIPE_INVALID_HANDLE, GFP_ATOMIC);
if (pn->pipe_handle == PN_PIPE_INVALID_HANDLE)
pn->pipe_handle = PN_PIPE_INVALID_HANDLE;
pn->pipe_handle = PN_PIPE_INVALID_HANDLE;