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Allocate PCBs with malloc(), more mgetclr(). Be more careful to free the

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PCB after it's done with.
This commit is contained in:
mycroft 1995-08-16 00:29:50 +00:00
parent 02b3c95be6
commit 0ecd5256ad
1 changed files with 11 additions and 11 deletions
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22
sys/kern/uipc_usrreq.c
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@ -1,4 +1,4 @@
/* $NetBSD: uipc_usrreq.c,v 1.13 1995/04/05 21:26:40 mycroft Exp $ */
/* $NetBSD: uipc_usrreq.c,v 1.14 1995/08/16 00:29:50 mycroft Exp $ */
/*
* Copyright (c) 1982, 1986, 1989, 1991, 1993
@ -320,7 +320,6 @@ int
unp_attach(so)
struct socket *so;
{
register struct mbuf *m;
register struct unpcb *unp;
int error;
@ -341,12 +340,12 @@ unp_attach(so)
if (error)
return (error);
}
m = m_getclr(M_DONTWAIT, MT_PCB);
if (m == NULL)
unp = malloc(sizeof(*unp), M_PCB, M_NOWAIT);
if (unp == NULL)
return (ENOBUFS);
unp = mtod(m, struct unpcb *);
so->so_pcb = (caddr_t)unp;
bzero((caddr_t)unp, sizeof(*unp));
unp->unp_socket = so;
so->so_pcb = (caddr_t)unp;
return (0);
}
@ -367,7 +366,6 @@ unp_detach(unp)
soisdisconnected(unp->unp_socket);
unp->unp_socket->so_pcb = 0;
m_freem(unp->unp_addr);
(void) m_free(dtom(unp));
if (unp_rights) {
/*
* Normally the receive buffer is flushed later,
@ -377,8 +375,10 @@ unp_detach(unp)
* gets them (resulting in a "panic: closef: count < 0").
*/
sorflush(unp->unp_socket);
free(unp, M_PCB);
unp_gc();
}
} else
free(unp, M_PCB);
}
int
@ -584,10 +584,10 @@ unp_drop(unp, errno)
so->so_error = errno;
unp_disconnect(unp);
if (so->so_head) {
so->so_pcb = (caddr_t) 0;
m_freem(unp->unp_addr);
(void) m_free(dtom(unp));
so->so_pcb = (caddr_t)0;
sofree(so);
m_freem(unp->unp_addr);
free(unp, M_PCB);
}
}