Signed-off-by: Florian Westphal <fw@xxxxxxxxx>
---
iptables/xtables-eb.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/iptables/xtables-eb.c b/iptables/xtables-eb.c
index e22181eebe60..9460a91a36ee 100644
--- a/iptables/xtables-eb.c
+++ b/iptables/xtables-eb.c
@@ -208,6 +208,9 @@ delete_entry(struct nft_handle *h,
static int get_current_chain(const char *chain)
{
+ if (!chain)
+ return -1;
+
if (strcmp(chain, "PREROUTING") == 0)
return NF_BR_PRE_ROUTING;
else if (strcmp(chain, "INPUT") == 0)
@@ -823,13 +826,12 @@ int do_commandeb(struct nft_handle *h, int argc, char *argv[], char **table)
"Multiple commands are not allowed");
command = c;
+ if (optarg && (optarg[0] == '-' || !strcmp(optarg, "!")))
+ xtables_error(PARAMETER_PROBLEM, "No chain name specified");
chain = optarg;
selected_chain = get_current_chain(chain);
flags |= OPT_COMMAND;
- /*if (!(replace->flags & OPT_KERNELDATA))
- ebt_get_kernel_table(replace, 0);*/
- /*if (optarg && (optarg[0] == '-' || !strcmp(optarg, "!")))
- ebt_print_error2("No chain name specified");*/
+
if (c == 'N') {
ret = nft_chain_user_add(h, chain, *table);
break;
--
2.16.4
--
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