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tools, bpftool: Fix wrong return value in do_dump()

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[ Upstream commit 041549b7b2c7811ec40e705c439211f00ade2dda ]

In case of btf_id does not exist, a negative error code -ENOENT
should be returned.

Fixes: c93cc69004 ("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.alibaba.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Tianjia Zhang 2020-08-02 19:15:40 +08:00 committed by Greg Kroah-Hartman
parent 94bc0ab604
commit a4301de4be
1 changed files with 1 additions and 1 deletions
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2
tools/bpf/bpftool/btf.c
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@ -510,7 +510,7 @@ static int do_dump(int argc, char **argv)
goto done; goto done;
} }
if (!btf) { if (!btf) {
err = ENOENT; err = -ENOENT;
p_err("can't find btf with ID (%u)", btf_id); p_err("can't find btf with ID (%u)", btf_id);
goto done; goto done;
} }