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In soshutdown(), decouple the evaluation of the `how' argument from FREAD 

and FWRITE; use SHUT_{RD,WR,RDWR} instead.
Also, return EINVAL if `how' is invalid.
This commit is contained in:
kleink 1998-04-27 13:31:45 +00:00
parent e0a67e8aa8
commit 82eb51ee05
1 changed files with 9 additions and 7 deletions
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16
sys/kern/uipc_socket.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: uipc_socket.c,v 1.33 1998/04/25 17:35:18 matt Exp $ */
/* $NetBSD: uipc_socket.c,v 1.34 1998/04/27 13:31:45 kleink Exp $ */
/*
* Copyright (c) 1982, 1986, 1988, 1990, 1993
@ -809,15 +809,17 @@ release:
int
soshutdown(so, how)
register struct socket *so;
register int how;
struct socket *so;
int how;
{
register struct protosw *pr = so->so_proto;
struct protosw *pr = so->so_proto;
how++;
if (how & FREAD)
if (!(how == SHUT_RD || how == SHUT_WR || how == SHUT_RDWR))
return (EINVAL);
if (how == SHUT_RD || how == SHUT_RDWR)
sorflush(so);
if (how & FWRITE)
if (how == SHUT_WR || how == SHUT_RDWR)
return (*pr->pr_usrreq)(so, PRU_SHUTDOWN, (struct mbuf *)0,
(struct mbuf *)0, (struct mbuf *)0, (struct proc *)0);
return (0);