diff options
-rw-r--r-- | sys/kern/uipc_domain.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/sys/kern/uipc_domain.c b/sys/kern/uipc_domain.c index c074293..2b2f5c8 100644 --- a/sys/kern/uipc_domain.c +++ b/sys/kern/uipc_domain.c @@ -110,6 +110,28 @@ protosw_init(struct protosw *pr) pr->pr_domain->dom_name, (int)(pr - pr->pr_domain->dom_protosw))); + /* + * Protocol switch methods fall into three categories: mandatory, + * mandatory but protosw_init() provides a default, and optional. + * + * For true protocols (i.e., pru_attach != NULL), KASSERT truly + * mandatory methods with no defaults, and initialize defaults for + * other mandatory methods if the protocol hasn't defined an + * implementation (NULL function pointer). + */ +#if 0 + if (pu->pru_attach != NULL) { + KASSERT(pu->pru_abort != NULL, + ("protosw_init: %ssw[%d] pru_abort NULL", + pr->pr_domain->dom_name, + (int)(pr - pr->pr_domain->dom_protosw))); + KASSERT(pu->pru_send != NULL, + ("protosw_init: %ssw[%d] pru_send NULL", + pr->pr_domain->dom_name, + (int)(pr - pr->pr_domain->dom_protosw))); + } +#endif + #define DEFAULT(foo, bar) if ((foo) == NULL) (foo) = (bar) DEFAULT(pu->pru_accept, pru_accept_notsupp); DEFAULT(pu->pru_bind, pru_bind_notsupp); |