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libbpf: Fix unintentional success return code in bpf_object__load
[ Upstream commit ef05afa ] There are code paths where EINVAL is returned directly without setting errno. In that case, errno could be 0, which would mask the failure. For example, if a careless programmer set log_level to 10000 out of laziness, they would have to spend a long time trying to figure out why. Fixes: 4f33ddb ("libbpf: Propagate EPERM to caller on program load") Signed-off-by: Alex Gartrell <alexgartrell@gmail.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20200826075549.1858580-1-alexgartrell@gmail.com Signed-off-by: Sasha Levin <sashal@kernel.org>
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