linux-kernel - [PATCH 5.15 032/196] selftests: openat2: Skip testcases that fail with EOPNOTSUPP

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Date:   Mon, 21 Feb 2022 09:47:44 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Aleksa Sarai <cyphar@...har.com>,
        Cristian Marussi <cristian.marussi@....com>,
        Shuah Khan <skhan@...uxfoundation.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.15 032/196] selftests: openat2: Skip testcases that fail with EOPNOTSUPP

From: Cristian Marussi <cristian.marussi@....com>

[ Upstream commit ac9e0a250bb155078601a5b999aab05f2a04d1ab ]

Skip testcases that fail since the requested valid flags combination is not
supported by the underlying filesystem.

Cc: Aleksa Sarai <cyphar@...har.com>
Signed-off-by: Cristian Marussi <cristian.marussi@....com>
Signed-off-by: Shuah Khan <skhan@...uxfoundation.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 tools/testing/selftests/openat2/openat2_test.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/openat2/openat2_test.c b/tools/testing/selftests/openat2/openat2_test.c
index 1bddbe934204c..7fb902099de45 100644
--- a/tools/testing/selftests/openat2/openat2_test.c
+++ b/tools/testing/selftests/openat2/openat2_test.c
@@ -259,6 +259,16 @@ void test_openat2_flags(void)
 		unlink(path);
 
 		fd = sys_openat2(AT_FDCWD, path, &test->how);
+		if (fd < 0 && fd == -EOPNOTSUPP) {
+			/*
+			 * Skip the testcase if it failed because not supported
+			 * by FS. (e.g. a valid O_TMPFILE combination on NFS)
+			 */
+			ksft_test_result_skip("openat2 with %s fails with %d (%s)\n",
+					      test->name, fd, strerror(-fd));
+			goto next;
+		}
+
 		if (test->err >= 0)
 			failed = (fd < 0);
 		else
@@ -303,7 +313,7 @@ void test_openat2_flags(void)
 		else
 			resultfn("openat2 with %s fails with %d (%s)\n",
 				 test->name, test->err, strerror(-test->err));
-
+next:
 		free(fdpath);
 		fflush(stdout);
 	}
-- 
2.34.1