Signed-off-by: Phil Sutter <phil@xxxxxx> --- src/meta.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/meta.c b/src/meta.c index 1e8964eb48c4d..b12340991f35a 100644 --- a/src/meta.c +++ b/src/meta.c @@ -155,7 +155,7 @@ static struct error_record *ifindex_type_parse(const struct expr *sym, errno = 0; res = strtol(sym->identifier, &end, 10); - if (res < 0 || res > INT_MAX || *end || errno) + if (res <= 0 || res > INT_MAX || *end || errno) return error(&sym->location, "Interface does not exist"); ifindex = (int)res; -- 2.22.0
