summaryrefslogtreecommitdiffstats
path: root/samples/bpf/bpf_load.c
diff options
context:
space:
mode:
Diffstat (limited to 'samples/bpf/bpf_load.c')
-rw-r--r--samples/bpf/bpf_load.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/samples/bpf/bpf_load.c b/samples/bpf/bpf_load.c
index da86a8e0a95a..816bca5760a0 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];