linux-kernel - [PATCH 4.19 17/78] selftests: rtc: rtctest: fix alarm tests

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Message-Id: <20190304081626.269724442@linuxfoundation.org>
Date:   Mon,  4 Mar 2019 09:22:00 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Shuah Khan <shuah@...nel.org>, Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.19 17/78] selftests: rtc: rtctest: fix alarm tests

4.19-stable review patch.  If anyone has any objections, please let me know.

------------------

[ Upstream commit fdac94489c4d247088b3885875b39b3e1eb621ef ]

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

Signed-off-by: Alexandre Belloni <alexandre.belloni@...tlin.com>
Signed-off-by: Shuah Khan <shuah@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.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 e20b017e70731..dea4e3d6d9e18 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