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-rw-r--r--extensions/libip6t_udp.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/extensions/libip6t_udp.c b/extensions/libip6t_udp.c
index 441c8147..5378e592 100644
--- a/extensions/libip6t_udp.c
+++ b/extensions/libip6t_udp.c
@@ -100,8 +100,7 @@ parse(int c, char **argv, int invert, unsigned int *flags,
if (*flags & UDP_SRC_PORTS)
exit_error(PARAMETER_PROBLEM,
"Only one `--source-port' allowed");
- if (check_inverse(optarg, &invert))
- optind++;
+ check_inverse(optarg, &invert, &optind, 0);
parse_udp_ports(argv[optind-1], udpinfo->spts);
if (invert)
udpinfo->invflags |= IP6T_UDP_INV_SRCPT;
@@ -113,8 +112,7 @@ parse(int c, char **argv, int invert, unsigned int *flags,
if (*flags & UDP_DST_PORTS)
exit_error(PARAMETER_PROBLEM,
"Only one `--destination-port' allowed");
- if (check_inverse(optarg, &invert))
- optind++;
+ check_inverse(optarg, &invert, &optind, 0);
parse_udp_ports(argv[optind-1], udpinfo->dpts);
if (invert)
udpinfo->invflags |= IP6T_UDP_INV_DSTPT;