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-rw-r--r--extensions/libip6t_length.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/extensions/libip6t_length.c b/extensions/libip6t_length.c
index 101213e8..a78572f9 100644
--- a/extensions/libip6t_length.c
+++ b/extensions/libip6t_length.c
@@ -35,12 +35,10 @@ init(struct ip6t_entry_match *m, unsigned int *nfcache)
static u_int16_t
parse_length(const char *s)
-{
+
int len;
- len = string_to_number(s, 0, 0xFFFF);
-
- if (len == -1)
+ if (string_to_number(s, 0, 0xFFFF, &len) == -1)
exit_error(PARAMETER_PROBLEM, "length invalid: `%s'\n", s);
else
return (u_int16_t )len;