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selftests/bpf: Fix unused attribute usage in subprogs_unused test 

Correct attribute name is "unused". maybe_unused is a C++17 addition.
This patch fixes compilation warning during selftests compilation.

Fixes: 197afc6314 ("libbpf: Don't attempt to load unused subprog as an entry-point BPF program")
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20201111231215.1779147-1-andrii@kernel.org
This commit is contained in:
Andrii Nakryiko 2020-11-11 15:12:15 -08:00 committed by Alexei Starovoitov
parent f16e631333
commit fd63729cc0
1 changed files with 2 additions and 2 deletions
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4
tools/testing/selftests/bpf/progs/test_subprogs_unused.c
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@ -4,12 +4,12 @@
const char LICENSE[] SEC("license") = "GPL";
__attribute__((maybe_unused)) __noinline int unused1(int x)
__attribute__((unused)) __noinline int unused1(int x)
{
return x + 1;
}
static __attribute__((maybe_unused)) __noinline int unused2(int x)
static __attribute__((unused)) __noinline int unused2(int x)
{
return x + 2;
}