Kernel/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2025-01-10 23:29:46 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

samples/bpf: make map creation more verbose

Browse Source 
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>
This commit is contained in:
Alexei Starovoitov 2016-03-07 21:57:18 -08:00 committed by David S. Miller
parent 557c0c6e7d
commit 618ec9a7b1
1 changed files with 4 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
samples/bpf/bpf_load.c
View File

@ -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];