[PATCH] selftests/pidfd: fix PPID values in error message

[Paul Dolan]

The PIDFD_GET_INFO PPID check compares info.ppid against getppid(), but
its failure message prints pid and info.pid from the preceding PID
check.

Print the PPID values being compared so that a failure reports the
correct information.

Fixes: cdda1f26e74b ("pidfd: add ioctl to retrieve pid info")
Signed-off-by: Paul Dolan <paul.dolan....@gmail.com>
---
 tools/testing/selftests/pidfd/pidfd_open_test.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/pidfd/pidfd_open_test.c 
b/tools/testing/selftests/pidfd/pidfd_open_test.c
index 318e6f09c8e0..c6698b7cdb47 100644
--- a/tools/testing/selftests/pidfd/pidfd_open_test.c
+++ b/tools/testing/selftests/pidfd/pidfd_open_test.c
@@ -168,7 +168,7 @@ int main(int argc, char **argv)
        }
        if (info.ppid != getppid()) {
                ksft_print_msg("ppid %d does not match ppid from ioctl %d\n",
-                              pid, info.pid);
+                              getppid(), info.ppid);
                goto on_error;
        }
        if (info.ruid != getuid()) {
-- 
2.55.0