Author: glebius
Date: Tue Jul 6 10:45:38 2010
New Revision: 209722
URL: http://svn.freebsd.org/changeset/base/209722
Log:
Avoid double-free. In error cases ipfw(4) frees the mbuf(4), we don't
need to.
PR: kern/145462
Modified:
head/sys/netgraph/ng_ipfw.c
Modified: head/sys/netgraph/ng_ipfw.c
==============================================================================
--- head/sys/netgraph/ng_ipfw.c Tue Jul 6 10:28:19 2010 (r209721)
+++ head/sys/netgraph/ng_ipfw.c Tue Jul 6 10:45:38 2010 (r209722)
@@ -265,11 +265,8 @@ ng_ipfw_input(struct mbuf **m0, int dir,
* Node must be loaded and corresponding hook must be present.
*/
if (fw_node == NULL ||
- (hook = ng_ipfw_findhook1(fw_node, fwa->rule.info)) == NULL) {
- if (tee == 0)
- m_freem(*m0);
+ (hook = ng_ipfw_findhook1(fw_node, fwa->rule.info)) == NULL)
return (ESRCH); /* no hook associated with this rule */
- }
/*
* We have two modes: in normal mode we add a tag to packet, which is
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