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selftests: breakpoints: return Kselftest Skip code for skipped tests

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When step_after_suspend_test is skipped because of unmet dependencies
and/or unsupported configuration, it exits with error which is treated
as a fail by the Kselftest framework. This leads to false negative result
even when the test could not be run.

Change it to return kselftest skip code when a test gets skipped to clearly
report that the test could not be run.

Change it to use ksft_exit_skip() when a non-root user runs the test and
add an explicit check for root and a clear message, instead of failing
the test when /sys/power/state file open fails.

Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
This commit is contained in:
Shuah Khan (Samsung OSG) 2018-05-02 16:37:00 -06:00
parent 5104acdb9f
commit 423353a11e
1 changed files with 5 additions and 1 deletions
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6
tools/testing/selftests/breakpoints/step_after_suspend_test.c
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@ -143,10 +143,14 @@ void suspend(void)
int err;
struct itimerspec spec = {};
if (getuid() != 0)
ksft_exit_skip("Please run the test as root - Exiting.\n");
power_state_fd = open("/sys/power/state", O_RDWR);
if (power_state_fd < 0)
ksft_exit_fail_msg(
"open(\"/sys/power/state\") failed (is this test running as root?)\n");
"open(\"/sys/power/state\") failed %s)\n",
strerror(errno));
timerfd = timerfd_create(CLOCK_BOOTTIME_ALARM, 0);
if (timerfd < 0)