Date: Tue, 3 Nov 1998 11:10:01 -0800 (PST) From: Bill Fenner <fenner@FreeBSD.ORG> To: freebsd-bugs@FreeBSD.ORG Subject: Re: misc/8494: sbcheck is broken Message-ID: <199811031910.LAA00816@freefall.freebsd.org>
next in thread | raw e-mail | index | archive | help
The following reply was made to PR misc/8494; it has been noted by GNATS.
From: Bill Fenner <fenner@FreeBSD.ORG>
To: freebsd-gnats-submit@FreeBSD.org, avr@juniper.net
Cc: Subject: Re: misc/8494: sbcheck is broken
Date: Tue, 3 Nov 1998 11:00:04 -0800 (PST)
I wrote this code when trying to use sbcheck() myself a while ago.
Does this do what you want?
Bill
cvs diff: Diffing .
Index: uipc_socket2.c
===================================================================
RCS file: /home/ncvs/src/sys/kern/uipc_socket2.c,v
retrieving revision 1.39
diff -u -r1.39 uipc_socket2.c
--- uipc_socket2.c 1998/09/05 13:24:39 1.39
+++ uipc_socket2.c 1998/11/03 18:58:16
@@ -477,15 +477,17 @@
register struct sockbuf *sb;
{
register struct mbuf *m;
+ register struct mbuf *n = 0;
register int len = 0, mbcnt = 0;
- for (m = sb->sb_mb; m; m = m->m_next) {
+ for (m = sb->sb_mb; m; m = n) {
+ n = m->m_nextpkt;
+ for (; m; m = m->m_next) {
len += m->m_len;
mbcnt += MSIZE;
if (m->m_flags & M_EXT) /*XXX*/ /* pretty sure this is bogus */
mbcnt += m->m_ext.ext_size;
- if (m->m_nextpkt)
- panic("sbcheck nextpkt");
+ }
}
if (len != sb->sb_cc || mbcnt != sb->sb_mbcnt) {
printf("cc %d != %d || mbcnt %d != %d\n", len, sb->sb_cc,
To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-bugs" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199811031910.LAA00816>