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Reply-To: Sean Christopherson <seanjc@google.com>
Date:   Tue, 13 Dec 2022 00:16:46 +0000
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Subject: [PATCH 07/14] KVM: selftests: Use proper function prototypes in
 probing code
From:   Sean Christopherson <seanjc@google.com>
To:     Paolo Bonzini <pbonzini@redhat.com>, Marc Zyngier <maz@kernel.org>,
        Paul Walmsley <paul.walmsley@sifive.com>,
        Palmer Dabbelt <palmer@dabbelt.com>,
        Albert Ou <aou@eecs.berkeley.edu>,
        Nathan Chancellor <nathan@kernel.org>,
        Nick Desaulniers <ndesaulniers@google.com>
Cc:     James Morse <james.morse@arm.com>,
        Alexandru Elisei <alexandru.elisei@arm.com>,
        Suzuki K Poulose <suzuki.poulose@arm.com>,
        Oliver Upton <oliver.upton@linux.dev>,
        Tom Rix <trix@redhat.com>, kvm@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev,
        kvmarm@lists.cs.columbia.edu, linux-riscv@lists.infradead.org,
        llvm@lists.linux.dev, linux-kernel@vger.kernel.org,
        Ricardo Koller <ricarkol@google.com>,
        Sean Christopherson <seanjc@google.com>,
        Aaron Lewis <aaronlewis@google.com>,
        Raghavendra Rao Ananta <rananta@google.com>
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Make the main() functions in the probing code proper prototypes so that
compiling the probing code with more strict flags won't generate false
negatives.

  <stdin>:1:5: error: function declaration isn=E2=80=99t a prototype [-Werr=
or=3Dstrict-prototypes]

Signed-off-by: Sean Christopherson <seanjc@google.com>
---
 tools/testing/selftests/kvm/Makefile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/kvm/Makefile b/tools/testing/selftests=
/kvm/Makefile
index d761a77c3a80..c22c3002492d 100644
--- a/tools/testing/selftests/kvm/Makefile
+++ b/tools/testing/selftests/kvm/Makefile
@@ -196,11 +196,11 @@ CFLAGS +=3D -Wall -Wstrict-prototypes -Wuninitialized=
 -O2 -g -std=3Dgnu99 \
 	-I$(<D) -Iinclude/$(ARCH_DIR) -I ../rseq -I.. $(EXTRA_CFLAGS) \
 	$(KHDR_INCLUDES)
=20
-no-pie-option :=3D $(call try-run, echo 'int main() { return 0; }' | \
+no-pie-option :=3D $(call try-run, echo 'int main(void) { return 0; }' | \
         $(CC) -Werror -no-pie -x c - -o "$$TMP", -no-pie)
=20
 # On s390, build the testcases KVM-enabled
-pgste-option =3D $(call try-run, echo 'int main() { return 0; }' | \
+pgste-option =3D $(call try-run, echo 'int main(void) { return 0; }' | \
 	$(CC) -Werror -Wl$(comma)--s390-pgste -x c - -o "$$TMP",-Wl$(comma)--s390=
-pgste)
=20
 LDLIBS +=3D -ldl
--=20
2.39.0.rc1.256.g54fd8350bd-goog