From bce6a14996f991e570d973179b5ff57544efaa9a Mon Sep 17 00:00:00 2001
From: Shannon Nelson <shannon.nelson@oracle.com>
Date: Mon, 29 Oct 2018 14:14:41 -0700
Subject: [PATCH] bpf_load: add map name to load_maps error message
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>
---
samples/bpf/bpf_load.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/samples/bpf/bpf_load.c b/samples/bpf/bpf_load.c
index e6d7e0fe155b4..5c052b9ea63fe 100644
--- a/samples/bpf/bpf_load.c
+++ b/samples/bpf/bpf_load.c
@@ -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];
--
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