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280de43e88
bpf_prog_test_run_skb() uses net->ipv6.ip6_null_entry for BPF_PROG_TYPE_LWT_XMIT test runs. It currently checks ipv6_bpf_stub before using ip6_null_entry. ipv6_bpf_stub will be removed by the CONFIG_IPV6=m support removal series posted at [1], so switch this check to ipv6_mod_enabled() instead. This change depends on that series [1]. Without it, CONFIG_IPV6=m is still possible, and net->ipv6.ip6_null_entry remains NULL until the IPv6 module is loaded. [1] https://lore.kernel.org/netdev/20260320185649.5411-1-fmancera@suse.de/ Cc: Jakub Kicinski <kuba@kernel.org> Cc: Fernando Fernandez Mancera <fmancera@suse.de> Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org> Reviewed-by: Sun Jian <sun.jian.kdev@gmail.com> Reviewed-by: Fernando Fernandez Mancera <fmancera@suse.de> Link: https://lore.kernel.org/r/20260323225250.1623542-1-martin.lau@linux.dev Signed-off-by: Alexei Starovoitov <ast@kernel.org>