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From:   Sasha Levin <sashal@kernel.org>
To:     linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc:     Alexandre Belloni <alexandre.belloni@bootlin.com>,
        Shuah Khan <shuah@kernel.org>, Sasha Levin <sashal@kernel.org>,
        linux-rtc@vger.kernel.org, linux-kselftest@vger.kernel.org
Subject: [PATCH AUTOSEL 4.20 18/77] selftests: rtc: rtctest: fix alarm tests
Date:   Thu, 14 Feb 2019 21:07:56 -0500
Message-Id: <20190215020855.176727-18-sashal@kernel.org>
In-Reply-To: <20190215020855.176727-1-sashal@kernel.org>
References: <20190215020855.176727-1-sashal@kernel.org>
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From: Alexandre Belloni <alexandre.belloni@bootlin.com>

[ Upstream commit fdac94489c4d247088b3885875b39b3e1eb621ef ]

Return values for select are not checked properly and timeouts may not be
detected.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Shuah Khan <shuah@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 tools/testing/selftests/rtc/rtctest.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/tools/testing/selftests/rtc/rtctest.c b/tools/testing/selftests/rtc/rtctest.c
index e20b017e7073..dea4e3d6d9e1 100644
--- a/tools/testing/selftests/rtc/rtctest.c
+++ b/tools/testing/selftests/rtc/rtctest.c
@@ -145,15 +145,12 @@ TEST_F(rtc, alarm_alm_set) {
 
 	rc = select(self->fd + 1, &readfds, NULL, NULL, &tv);
 	ASSERT_NE(-1, rc);
-	EXPECT_NE(0, rc);
+	ASSERT_NE(0, rc);
 
 	/* Disable alarm interrupts */
 	rc = ioctl(self->fd, RTC_AIE_OFF, 0);
 	ASSERT_NE(-1, rc);
 
-	if (rc == 0)
-		return;
-
 	rc = read(self->fd, &data, sizeof(unsigned long));
 	ASSERT_NE(-1, rc);
 	TH_LOG("data: %lx", data);
@@ -202,7 +199,7 @@ TEST_F(rtc, alarm_wkalm_set) {
 
 	rc = select(self->fd + 1, &readfds, NULL, NULL, &tv);
 	ASSERT_NE(-1, rc);
-	EXPECT_NE(0, rc);
+	ASSERT_NE(0, rc);
 
 	rc = read(self->fd, &data, sizeof(unsigned long));
 	ASSERT_NE(-1, rc);
-- 
2.19.1