Commit b541ca2c authored Nov 08, 2005 by Thomas Graf Committed by David S. Miller Nov 08, 2005

[PKT_SCHED]: Correctly handle empty ematch trees



Fixes an invalid memory reference when the basic classifier
is used without any ematches but just actions.

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 18a0c236

net/sched/ematch.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -298,6 +298,11 @@ int tcf_em_tree_validate(struct tcf_proto tp, struct rtattr rta,
		struct tcf_ematch_tree_hdr *tree_hdr;
		struct tcf_ematch *em;

		if (!rta) {
		memset(tree, 0, sizeof(*tree));
		return 0;
		}

		if (rtattr_parse_nested(tb, TCA_EMATCH_TREE_MAX, rta) < 0)
		goto errout;