netfilter: nf_tables: reset rule number counter after jump and goto

Otherwise we start incrementing the rule number counter from the previous chain iteration. Signed-off-by: Pablo Neira Ayuso <[email protected]>
vincehsu · May 10, 2014 · d088be8 · d088be8
1 parent a8951d5
commit d088be8
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/net/netfilter/nf_tables_core.c b/net/netfilter/nf_tables_core.c
@@ -123,14 +123,15 @@ nft_do_chain(struct nft_pktinfo *pkt, const struct nf_hook_ops *ops)
 	struct nft_data data[NFT_REG_MAX + 1];
 	unsigned int stackptr = 0;
 	struct nft_jumpstack jumpstack[NFT_JUMP_STACK_SIZE];
-	int rulenum = 0;
+	int rulenum;
 	/*
 	 * Cache cursor to avoid problems in case that the cursor is updated
 	 * while traversing the ruleset.
 	 */
 	unsigned int gencursor = ACCESS_ONCE(chain->net->nft.gencursor);
 
 do_chain:
+	rulenum = 0;
 	rule = list_entry(&chain->rules, struct nft_rule, list);
 next_rule:
 	data[NFT_REG_VERDICT].verdict = NFT_CONTINUE;