linux-kernel - Re: [PATCH] KVM: selftests: Add 'malloc' failure check in test_vmx_nested

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Date: Tue, 23 Apr 2024 12:45:58 +0200
From: Markus Elfring <Markus.Elfring@....de>
To: Kunwu Chan <chentao@...inos.cn>, linux-kselftest@...r.kernel.org,
 kvm@...r.kernel.org, kernel-janitors@...r.kernel.org,
 Muhammad Usama Anjum <usama.anjum@...labora.com>,
 Paolo Bonzini <pbonzini@...hat.com>, Sean Christopherson
 <seanjc@...gle.com>, Shuah Khan <shuah@...nel.org>
Cc: LKML <linux-kernel@...r.kernel.org>, Kunwu Chan <kunwu.chan@...mail.com>
Subject: Re: [PATCH] KVM: selftests: Add 'malloc' failure check in
 test_vmx_nested_state

…
> This patch will add the malloc failure checking
…

* Please use a corresponding imperative wording for the change description.

* Would you like to add the tag “Fixes” accordingly?


…
> +++ b/tools/testing/selftests/kvm/x86_64/vmx_set_nested_state_test.c
> @@ -91,6 +91,7 @@ void test_vmx_nested_state(struct kvm_vcpu *vcpu)
>  	const int state_sz = sizeof(struct kvm_nested_state) + getpagesize();
>  	struct kvm_nested_state *state =
>  		(struct kvm_nested_state *)malloc(state_sz);
> +	TEST_ASSERT(state, "-ENOMEM when allocating kvm state");
…

Can “errno” be relevant for the error message construction?

Regards,
Markus