+ selftests-kselftest-framework-provide-finished-helper.patch added to -mm tree

+ selftests-kselftest-framework-provide-finished-helper.patch added to -mm tree

[Andrew Morton]

The patch titled
     Subject: selftests: kselftest framework: provide "finished" helper
has been added to the -mm tree.  Its filename is
     selftests-kselftest-framework-provide-finished-helper.patch

This patch should soon appear at
    https://ozlabs.org/~akpm/mmots/broken-out/selftests-kselftest-framework-provide-finished-helper.patch
and later at
    https://ozlabs.org/~akpm/mmotm/broken-out/selftests-kselftest-framework-provide-finished-helper.patch

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------------------------------------------------------
From: Kees Cook <keescook@chromium.org>
Subject: selftests: kselftest framework: provide "finished" helper

Instead of having each time that wants to use ksft_exit() have to figure
out the internals of kselftest.h, add the helper ksft_finished() that
makes sure the passes, xfails, and skips are equal to the test plan count.

Link: https://lkml.kernel.org/r/20220201013717.2464392-1-keescook@chromium.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 tools/testing/selftests/kselftest.h       |   10 ++++++++++
 tools/testing/selftests/vm/memfd_secret.c |    2 +-
 2 files changed, 11 insertions(+), 1 deletion(-)

--- a/tools/testing/selftests/kselftest.h~selftests-kselftest-framework-provide-finished-helper
+++ a/tools/testing/selftests/kselftest.h
@@ -28,6 +28,7 @@
  *
  * When all tests are finished, clean up and exit the program with one of:
  *
+ *    ksft_finished();
  *    ksft_exit(condition);
  *    ksft_exit_pass();
  *    ksft_exit_fail();
@@ -235,6 +236,15 @@ static inline int ksft_exit_fail(void)
 		ksft_exit_fail();	\
 	} while (0)
 
+/**
+ * ksft_finished() - Exit selftest with success if all tests passed
+ */
+#define ksft_finished()			\
+	ksft_exit(ksft_plan ==		\
+		  ksft_cnt.ksft_pass +	\
+		  ksft_cnt.ksft_xfail +	\
+		  ksft_cnt.ksft_xskip)
+
 static inline int ksft_exit_fail_msg(const char *msg, ...)
 {
 	int saved_errno = errno;
--- a/tools/testing/selftests/vm/memfd_secret.c~selftests-kselftest-framework-provide-finished-helper
+++ a/tools/testing/selftests/vm/memfd_secret.c
@@ -282,7 +282,7 @@ int main(int argc, char *argv[])
 
 	close(fd);
 
-	ksft_exit(!ksft_get_fail_cnt());
+	ksft_finished();
 }
 
 #else /* __NR_memfd_secret */
_

Patches currently in -mm which might be from keescook@chromium.org are

kconfigdebug-make-debug_info-selectable-from-a-choice.patch
kconfigdebug-make-debug_info-selectable-from-a-choice-fix.patch
exec-force-single-empty-string-when-argv-is-empty.patch
selftests-exec-test-for-empty-string-on-null-argv.patch
selftests-kselftest-framework-provide-finished-helper.patch