svn commit: r351775 - in stable: 11/sys/contrib/ipfilter/netinet 12/sys/contrib/ipfilter/netinet

[Cy Schubert]

Author: cy
Date: Tue Sep  3 19:14:00 2019
New Revision: 351775
URL: https://svnweb.freebsd.org/changeset/base/351775

Log:
  MFC r350882:
  
  Initialize the frentry (the control block that defines a rule) checksum
  to zero. Matching checksums save time and effort by mitigating the need
  for full rule compare.

Modified:
  stable/12/sys/contrib/ipfilter/netinet/fil.c
Directory Properties:
  stable/12/   (props changed)

Changes in other areas also in this revision:
Modified:
  stable/11/sys/contrib/ipfilter/netinet/fil.c
Directory Properties:
  stable/11/   (props changed)

Modified: stable/12/sys/contrib/ipfilter/netinet/fil.c
==============================================================================
--- stable/12/sys/contrib/ipfilter/netinet/fil.c	Tue Sep  3 18:58:48 2019	(r351774)
+++ stable/12/sys/contrib/ipfilter/netinet/fil.c	Tue Sep  3 19:14:00 2019	(r351775)
@@ -4973,7 +4973,7 @@ frrequest(softc, unit, req, data, set, makecopy)
 	 * (this meaning no pointers are included).
 	 */
 	pp = (u_int *)(fp->fr_caddr + fp->fr_dsize);
-	for (p = (u_int *)fp->fr_data; p < pp; p++)
+	for (fp->fr_cksum = 0, p = (u_int *)fp->fr_data; p < pp; p++)
 		fp->fr_cksum += *p;
 
 	WRITE_ENTER(&softc->ipf_mutex);