4.20-stable review patch. If anyone has any objections, please let me know.
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[ 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 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);