linux-kernel - [RFC PATCH v2 2/6] KVM: selftests: Fix guest

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Date:   Thu, 22 Jun 2023 16:16:26 -0700
From:   isaku.yamahata@...el.com
To:     kvm@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     isaku.yamahata@...el.com, isaku.yamahata@...il.com,
        Paolo Bonzini <pbonzini@...hat.com>, erdemaktas@...gle.com,
        Sean Christopherson <seanjc@...gle.com>,
        Sagi Shahar <sagis@...gle.com>,
        David Matlack <dmatlack@...gle.com>,
        Kai Huang <kai.huang@...el.com>,
        Zhi Wang <zhi.wang.linux@...il.com>, chen.bo@...el.com,
        linux-coco@...ts.linux.dev,
        Chao Peng <chao.p.peng@...ux.intel.com>,
        Ackerley Tng <ackerleytng@...gle.com>,
        Vishal Annapurve <vannapurve@...gle.com>,
        Michael Roth <michael.roth@....com>
Subject: [RFC PATCH v2 2/6] KVM: selftests: Fix guest_memfd()

From: Isaku Yamahata <isaku.yamahata@...el.com>

Some test cases should succeed.  Check !ret instead of ret.

Fixes: 36eedd5b91e3 ("KVM: selftests: Add basic selftest for guest_memfd()")
Signed-off-by: Isaku Yamahata <isaku.yamahata@...el.com>
---
Changes v1 -> v2:
- no change
---
 tools/testing/selftests/kvm/guest_memfd_test.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/kvm/guest_memfd_test.c b/tools/testing/selftests/kvm/guest_memfd_test.c
index 3b6532b833b2..f3b99c1e5464 100644
--- a/tools/testing/selftests/kvm/guest_memfd_test.c
+++ b/tools/testing/selftests/kvm/guest_memfd_test.c
@@ -72,11 +72,11 @@ static void test_fallocate(int fd, size_t page_size, size_t total_size)
 
 	ret = fallocate(fd, FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE,
 			total_size, page_size);
-	TEST_ASSERT(ret, "fallocate(PUNCH_HOLE) at total_size should be fine (no-op)");
+	TEST_ASSERT(!ret, "fallocate(PUNCH_HOLE) at total_size should be fine (no-op)");
 
 	ret = fallocate(fd, FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE,
 			total_size + page_size, page_size);
-	TEST_ASSERT(ret, "fallocate(PUNCH_HOLE) after total_size should be fine (no-op)");
+	TEST_ASSERT(!ret, "fallocate(PUNCH_HOLE) after total_size should be fine (no-op)");
 
 	ret = fallocate(fd, FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE,
 			page_size, page_size - 1);
-- 
2.25.1