On Mon, Jan 13, 2020 at 04:06:17PM +0300, Dan Carpenter wrote: > Hello Martin KaFai Lau, > > The patch 85d33df357b6: "bpf: Introduce BPF_MAP_TYPE_STRUCT_OPS" from > Jan 8, 2020, leads to the following static checker warning: > > kernel/bpf/bpf_struct_ops.c:501 bpf_struct_ops_map_seq_show_elem() > warn: 'value' is an error pointer or valid > > kernel/bpf/bpf_struct_ops.c > 495 static void bpf_struct_ops_map_seq_show_elem(struct bpf_map *map, void *key, > 496 struct seq_file *m) > 497 { > 498 void *value; > 499 > 500 value = bpf_struct_ops_map_lookup_elem(map, key); > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ > This is just a dummy function that only returns -EINVAL. Thanks for the report. I will post a fix.