[src/trunk]: src/sys/kern Don't cast a pointer void * before passing to memse...

[dyoung <dyoung%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/32e871b32e8b
branches:  trunk
changeset: 766705:32e871b32e8b
user:      dyoung <dyoung%NetBSD.org@localhost>
date:      Thu Jun 30 22:38:50 2011 +0000

description:
Don't cast a pointer void * before passing to memset(), that's not
necessary.  Use NULL instead of (type *)0.  This patch produces no
change in the generated assembly.

diffstat:

 sys/kern/sys_socket.c |  15 ++++++---------
 1 files changed, 6 insertions(+), 9 deletions(-)

diffs (54 lines):

diff -r 8d4081e7ac88 -r 32e871b32e8b sys/kern/sys_socket.c
--- a/sys/kern/sys_socket.c     Thu Jun 30 22:13:02 2011 +0000
+++ b/sys/kern/sys_socket.c     Thu Jun 30 22:38:50 2011 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: sys_socket.c,v 1.63 2009/12/20 09:36:06 dsl Exp $      */
+/*     $NetBSD: sys_socket.c,v 1.64 2011/06/30 22:38:50 dyoung Exp $   */
 
 /*-
  * Copyright (c) 2008, 2009 The NetBSD Foundation, Inc.
@@ -61,7 +61,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: sys_socket.c,v 1.63 2009/12/20 09:36:06 dsl Exp $");
+__KERNEL_RCSID(0, "$NetBSD: sys_socket.c,v 1.64 2011/06/30 22:38:50 dyoung Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -100,8 +100,7 @@
        struct socket *so = fp->f_data;
        int error;
 
-       error = (*so->so_receive)(so, (struct mbuf **)0,
-           uio, (struct mbuf **)0, (struct mbuf **)0, (int *)0);
+       error = (*so->so_receive)(so, NULL, uio, NULL, NULL, NULL);
 
        return error;
 }
@@ -114,8 +113,7 @@
        struct socket *so = fp->f_data;
        int error;
 
-       error = (*so->so_send)(so, (struct mbuf *)0,
-               uio, (struct mbuf *)0, (struct mbuf *)0, 0, curlwp);
+       error = (*so->so_send)(so, NULL, uio, NULL, NULL, 0, curlwp);
 
        return error;
 }
@@ -234,13 +232,12 @@
        struct socket *so = fp->f_data;
        int error;
 
-       memset((void *)ub, 0, sizeof(*ub));
+       memset(ub, 0, sizeof(*ub));
        ub->st_mode = S_IFSOCK;
 
        solock(so);
        error = (*so->so_proto->pr_usrreq)(so, PRU_SENSE,
-           (struct mbuf *)ub, (struct mbuf *)0, (struct mbuf *)0,
-           curlwp);
+           (struct mbuf *)ub, NULL, NULL, curlwp);
        sounlock(so);
 
        return error;