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@xxxxxxxxxxx>
Signed-off-by: Shuah Khan <shuah@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
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
