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diff --git a/lib/libpfctl/libpfctl.c b/lib/libpfctl/libpfctl.c
--- a/lib/libpfctl/libpfctl.c
+++ b/lib/libpfctl/libpfctl.c
@@ -2040,7 +2040,13 @@
struct pfctl_handle h = {};
int error;
- snl_init(&h.ss, NETLINK_GENERIC);
+ if (!snl_init(&h.ss, NETLINK_GENERIC))
+ return (ENOTSUP);
+ h.family_id = snl_get_genl_family(&h.ss, PFNL_FAMILY_NAME);
+ if (h.family_id == 0) {
+ snl_free(&h.ss);
+ return (ENOTSUP);
+ }
error = pfctl_get_states_h(&h, filter, f, arg);
snl_free(&h.ss);

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