svn commit: r233261 - in stable/9/sys: i386/conf netinet6

[Gleb Smirnoff]

Author: glebius
Date: Wed Mar 21 07:07:43 2012
New Revision: 233261
URL: http://svn.freebsd.org/changeset/base/233261

Log:
  Merge 227308 from head/:
    In icmp6_redirect_input:
  
    - Assert that we got a valid mbuf with rcvif pointer. [1]
    - Use __func__ in logging.
  
    Submitted by: prabhakar lakhera <prabhakar.lakhera gmail.com> [1]
    Submitted by: Kristof Provost <kristof sigsegv.be> [1]

Modified:
  stable/9/sys/netinet6/icmp6.c
Directory Properties:
  stable/9/sys/   (props changed)
  stable/9/sys/amd64/include/xen/   (props changed)
  stable/9/sys/boot/   (props changed)
  stable/9/sys/boot/i386/efi/   (props changed)
  stable/9/sys/boot/ia64/efi/   (props changed)
  stable/9/sys/boot/ia64/ski/   (props changed)
  stable/9/sys/boot/powerpc/boot1.chrp/   (props changed)
  stable/9/sys/boot/powerpc/ofw/   (props changed)
  stable/9/sys/cddl/contrib/opensolaris/   (props changed)
  stable/9/sys/conf/   (props changed)
  stable/9/sys/contrib/dev/acpica/   (props changed)
  stable/9/sys/contrib/octeon-sdk/   (props changed)
  stable/9/sys/contrib/pf/   (props changed)
  stable/9/sys/contrib/x86emu/   (props changed)
  stable/9/sys/fs/   (props changed)
  stable/9/sys/fs/ntfs/   (props changed)
  stable/9/sys/i386/conf/XENHVM   (props changed)

Modified: stable/9/sys/netinet6/icmp6.c
==============================================================================
--- stable/9/sys/netinet6/icmp6.c	Wed Mar 21 07:07:00 2012	(r233260)
+++ stable/9/sys/netinet6/icmp6.c	Wed Mar 21 07:07:43 2012	(r233261)
@@ -2361,14 +2361,11 @@ icmp6_redirect_input(struct mbuf *m, int
 	union nd_opts ndopts;
 	char ip6buf[INET6_ADDRSTRLEN];
 
-	if (!m)
-		return;
+	M_ASSERTPKTHDR(m);
+	KASSERT(m->m_pkthdr.rcvif != NULL, ("%s: no rcvif", __func__));
 
 	ifp = m->m_pkthdr.rcvif;
 
-	if (!ifp)
-		return;
-
 	/* XXX if we are router, we don't update route by icmp6 redirect */
 	if (V_ip6_forwarding)
 		goto freeit;
@@ -2475,9 +2472,8 @@ icmp6_redirect_input(struct mbuf *m, int
 	icmp6len -= sizeof(*nd_rd);
 	nd6_option_init(nd_rd + 1, icmp6len, &ndopts);
 	if (nd6_options(&ndopts) < 0) {
-		nd6log((LOG_INFO, "icmp6_redirect_input: "
-		    "invalid ND option, rejected: %s\n",
-		    icmp6_redirect_diag(&src6, &reddst6, &redtgt6)));
+		nd6log((LOG_INFO, "%s: invalid ND option, rejected: %s\n",
+		    __func__, icmp6_redirect_diag(&src6, &reddst6, &redtgt6)));
 		/* nd6_options have incremented stats */
 		goto freeit;
 	}
@@ -2488,10 +2484,9 @@ icmp6_redirect_input(struct mbuf *m, int
 	}
 
 	if (lladdr && ((ifp->if_addrlen + 2 + 7) & ~7) != lladdrlen) {
-		nd6log((LOG_INFO,
-		    "icmp6_redirect_input: lladdrlen mismatch for %s "
+		nd6log((LOG_INFO, "%s: lladdrlen mismatch for %s "
 		    "(if %d, icmp6 packet %d): %s\n",
-		    ip6_sprintf(ip6buf, &redtgt6),
+		    __func__, ip6_sprintf(ip6buf, &redtgt6),
 		    ifp->if_addrlen, lladdrlen - 2,
 		    icmp6_redirect_diag(&src6, &reddst6, &redtgt6)));
 		goto bad;