diff options
| author | Alexei Starovoitov <ast@fb.com> | 2016-03-07 21:57:18 -0800 |
|---|---|---|
| committer | Michael Bestas <mkbestas@lineageos.org> | 2022-04-19 00:50:32 +0300 |
| commit | bba23d575b6fae5727ee4738b85a8348f62b2685 (patch) | |
| tree | 367f81787a20747827d31757fcb71d6b78ff255f /samples | |
| parent | 1c5ae0cb8d8f69da2c71428bced1c957830e5e54 (diff) | |
samples/bpf: make map creation more verbose
map creation is typically the first one to fail when rlimits are
too low, not enough memory, etc
Make this failure scenario more verbose
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Chatur27 <jasonbright2709@gmail.com>
Diffstat (limited to 'samples')
| -rw-r--r-- | samples/bpf/bpf_load.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/samples/bpf/bpf_load.c b/samples/bpf/bpf_load.c index e836b5ff2060..66e5af728798 100644 --- a/samples/bpf/bpf_load.c +++ b/samples/bpf/bpf_load.c @@ -158,8 +158,11 @@ static int load_maps(struct bpf_map_def *maps, int len) maps[i].key_size, maps[i].value_size, maps[i].max_entries); - if (map_fd[i] < 0) + if (map_fd[i] < 0) { + printf("failed to create a map: %d %s\n", + errno, strerror(errno)); return 1; + } if (maps[i].type == BPF_MAP_TYPE_PROG_ARRAY) prog_array_fd = map_fd[i]; |