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bpf_load: add map name to load_maps error message

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To help when debugging bpf/xdp load issues, have the load_map()
error message include the number and name of the map that
failed.

Signed-off-by: Shannon Nelson <shannon.nelson@oracle.com>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
This commit is contained in:
Shannon Nelson 2018-10-29 14:14:41 -07:00 • committed by Daniel Borkmann
parent 8302b9bd31
commit bce6a14996
1 changed files with 2 additions and 2 deletions
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4
samples/bpf/bpf_load.c
View file

@ -284,8 +284,8 @@ static int load_maps(struct bpf_map_data *maps, int nr_maps,
numa_node);
}
if (map_fd[i] < 0) {
printf("failed to create a map: %d %s\n",
errno, strerror(errno));
printf("failed to create map %d (%s): %d %s\n",
i, maps[i].name, errno, strerror(errno));
return 1;
}
maps[i].fd = map_fd[i];