Showing zero in the output isn't very self explanatory as a successful
result. Show a more explicit error output if the test fails.
Signed-off-by: Andrea Arcangeli <aarcange@xxxxxxxxxx>
---
tools/testing/selftests/vm/userfaultfd.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/tools/testing/selftests/vm/userfaultfd.c b/tools/testing/selftests/vm/userfaultfd.c
index d07156de55e8..34838d5b33f3 100644
--- a/tools/testing/selftests/vm/userfaultfd.c
+++ b/tools/testing/selftests/vm/userfaultfd.c
@@ -986,7 +986,9 @@ static int userfaultfd_sig_test(void)
return 1;
printf("done.\n");
- printf(" Signal test userfaults: %ld\n", userfaults);
+ if (userfaults)
+ fprintf(stderr, "Signal test failed, userfaults: %ld\n",
+ userfaults);
close(uffd);
return userfaults != 0;
}
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