From: Tianjia Zhang tianjia.zhang@linux.alibaba.com
[ Upstream commit 041549b7b2c7811ec40e705c439211f00ade2dda ]
In case of btf_id does not exist, a negative error code -ENOENT should be returned.
Fixes: c93cc69004df3 ("bpftool: add ability to dump BTF types") Signed-off-by: Tianjia Zhang tianjia.zhang@linux.alibaba.com Signed-off-by: Daniel Borkmann daniel@iogearbox.net Reviewed-by: Tobias Klauser tklauser@distanz.ch Acked-by: Andrii Nakryiko andriin@fb.com Acked-by: John Fastabend john.fastabend@gmail.com Link: https://lore.kernel.org/bpf/20200802111540.5384-1-tianjia.zhang@linux.alibab... Signed-off-by: Sasha Levin sashal@kernel.org --- tools/bpf/bpftool/btf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/bpf/bpftool/btf.c b/tools/bpf/bpftool/btf.c index faac8189b2853..c2f1fd414820a 100644 --- a/tools/bpf/bpftool/btf.c +++ b/tools/bpf/bpftool/btf.c @@ -596,7 +596,7 @@ static int do_dump(int argc, char **argv) goto done; } if (!btf) { - err = ENOENT; + err = -ENOENT; p_err("can't find btf with ID (%u)", btf_id); goto done; }