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| author | YueHaibing <yuehaibing@huawei.com> | 2020-07-17 20:30:59 +0800 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2020-07-21 13:26:25 -0700 |
| commit | 956fcfcd359512f15b19bcd157fa8206ed26605b (patch) | |
| tree | 29c6799ad2feba50fb931a9e19b8526570f0eb1d /tools/bpf | |
| parent | da7a35062bcccd3f67779a357065ba707b02ff2b (diff) | |
| download | linux-956fcfcd359512f15b19bcd157fa8206ed26605b.tar.bz2 | |
tools/bpftool: Fix error handing in do_skeleton()
Fix pass 0 to PTR_ERR, also dump more err info using
libbpf_strerror.
Fixes: 5dc7a8b21144 ("bpftool, selftests/bpf: Embed object file inside skeleton")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Reviewed-by: Quentin Monnet <quentin@isovalent.com>
Link: https://lore.kernel.org/bpf/20200717123059.29624-1-yuehaibing@huawei.com
Diffstat (limited to 'tools/bpf')
| -rw-r--r-- | tools/bpf/bpftool/gen.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/tools/bpf/bpftool/gen.c b/tools/bpf/bpftool/gen.c index b59d26e89367..8a4c2b3b0cd6 100644 --- a/tools/bpf/bpftool/gen.c +++ b/tools/bpf/bpftool/gen.c @@ -302,8 +302,11 @@ static int do_skeleton(int argc, char **argv) opts.object_name = obj_name; obj = bpf_object__open_mem(obj_data, file_sz, &opts); if (IS_ERR(obj)) { + char err_buf[256]; + + libbpf_strerror(PTR_ERR(obj), err_buf, sizeof(err_buf)); + p_err("failed to open BPF object file: %s", err_buf); obj = NULL; - p_err("failed to open BPF object file: %ld", PTR_ERR(obj)); goto out; } |