Calling ksft_exit_skip after ksft_set_plan results in executing fewer tests than planned. Use ksft_test_result_skip instead.

The plan passed to ksft_set_plan was wrong, too, so fix it while at it.

Acked-by: Christian Brauner christian.brauner@ubuntu.com Signed-off-by: Paolo Bonzini pbonzini@redhat.com --- tools/testing/selftests/pidfd/pidfd_test.c | 34 +++++++++++++++++++--- 1 file changed, 30 insertions(+), 4 deletions(-)

diff --git a/tools/testing/selftests/pidfd/pidfd_test.c b/tools/testing/selftests/pidfd/pidfd_test.c index 7aff2d3b42c0..f65ad4e32353 100644 --- a/tools/testing/selftests/pidfd/pidfd_test.c +++ b/tools/testing/selftests/pidfd/pidfd_test.c @@ -8,6 +8,7 @@ #include <sched.h> #include <signal.h> #include <stdio.h> +#include <stdbool.h> #include <stdlib.h> #include <string.h> #include <syscall.h> @@ -27,6 +28,8 @@

#define MAX_EVENTS 5

+static bool have_pidfd_send_signal; + static pid_t pidfd_clone(int flags, int *pidfd, int (*fn)(void *)) { size_t stack_size = 1024; @@ -56,6 +59,13 @@ static int test_pidfd_send_signal_simple_success(void) int pidfd, ret; const char *test_name = "pidfd_send_signal send SIGUSR1";

+ if (!have_pidfd_send_signal) { + ksft_test_result_skip( + "%s test: pidfd_send_signal() syscall not supported\n", + test_name); + return 0; + } + pidfd = open("/proc/self", O_DIRECTORY | O_CLOEXEC); if (pidfd < 0) ksft_exit_fail_msg( @@ -86,6 +96,13 @@ static int test_pidfd_send_signal_exited_fail(void) pid_t pid; const char *test_name = "pidfd_send_signal signal exited process";

+ if (!have_pidfd_send_signal) { + ksft_test_result_skip( + "%s test: pidfd_send_signal() syscall not supported\n", + test_name); + return 0; + } + pid = fork(); if (pid < 0) ksft_exit_fail_msg("%s test: Failed to create new process\n", @@ -137,6 +154,13 @@ static int test_pidfd_send_signal_recycled_pid_fail(void) pid_t pid1; const char *test_name = "pidfd_send_signal signal recycled pid";

+ if (!have_pidfd_send_signal) { + ksft_test_result_skip( + "%s test: pidfd_send_signal() syscall not supported\n", + test_name); + return 0; + } + ret = unshare(CLONE_NEWPID); if (ret < 0) ksft_exit_fail_msg("%s test: Failed to unshare pid namespace\n", @@ -325,15 +349,17 @@ static int test_pidfd_send_signal_syscall_support(void)

ret = sys_pidfd_send_signal(pidfd, 0, NULL, 0); if (ret < 0) { - if (errno == ENOSYS) - ksft_exit_skip( + if (errno == ENOSYS) { + ksft_test_result_skip( "%s test: pidfd_send_signal() syscall not supported\n", test_name); - + return 0; + } ksft_exit_fail_msg("%s test: Failed to send signal\n", test_name); }

+ have_pidfd_send_signal = true; close(pidfd); ksft_test_result_pass( "%s test: pidfd_send_signal() syscall is supported. Tests can be executed\n", @@ -521,7 +547,7 @@ static void test_pidfd_poll_leader_exit(int use_waitpid) int main(int argc, char **argv) { ksft_print_header(); - ksft_set_plan(4); + ksft_set_plan(8);

test_pidfd_poll_exec(0); test_pidfd_poll_exec(1);