linux-kernel - [PATCH] selftests/binderfs: Improve message to provide more info

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Message-ID: <YmOSQv2U8+Hs5WjP@karthik-strix-linux.karthek.com>
Date:   Sat, 23 Apr 2022 11:14:34 +0530
From:   Karthik Alapati <mail@...thek.com>
To:     Shuah Khan <skhan@...uxfoundation.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Christian Brauner <brauner@...nel.org>,
        Carlos Llamas <cmllamas@...gle.com>
Cc:     linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] selftests/binderfs: Improve message to provide more info

Currently the binderfs test says what failure it encountered
without saying why it may occurred when it fails to mount
binderfs. So, Warn about enabling CONFIG_ANDROID_BINDERFS in the
running kernel.

Signed-off-by: Karthik Alapati <mail@...thek.com>
---
 tools/testing/selftests/filesystems/binderfs/binderfs_test.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/filesystems/binderfs/binderfs_test.c b/tools/testing/selftests/filesystems/binderfs/binderfs_test.c
index 0315955ff0f4..bc1c407651fc 100644
--- a/tools/testing/selftests/filesystems/binderfs/binderfs_test.c
+++ b/tools/testing/selftests/filesystems/binderfs/binderfs_test.c
@@ -412,7 +412,8 @@ TEST(binderfs_stress)
 
 		ret = mount(NULL, binderfs_mntpt, "binder", 0, 0);
 		ASSERT_EQ(ret, 0) {
-			TH_LOG("%s - Failed to mount binderfs", strerror(errno));
+			TH_LOG("%s - Failed to mount binderfs, check if CONFIG_ANDROID_BINDERFS is enabled in the running kernel",
+				strerror(errno));
 		}
 
 		for (int i = 0; i < ARRAY_SIZE(fds); i++) {
-- 
2.35.2