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From:   Arnd Bergmann <arnd@arndb.de>
To:     Christian Brauner <christian@brauner.io>,
        Jonathan Corbet <corbet@lwn.net>
Cc:     Arnd Bergmann <arnd@arndb.de>,
        Christian Brauner <christian.brauner@ubuntu.com>,
        Masahiro Yamada <yamada.masahiro@socionext.com>,
        "Steven Rostedt (VMware)" <rostedt@goodmis.org>,
        linux-kernel@vger.kernel.org
Subject: [PATCH] samples: fix binderfs sample
Date:   Tue, 28 Apr 2020 23:25:33 +0200
Message-Id: <20200428212555.2806258-1-arnd@arndb.de>
MIME-Version: 1.0
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Sender: linux-kernel-owner@vger.kernel.org
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A routine check for misspelled Kconfig symbols showed on instance
from last year, the correct symbol name is CONFIG_ANDROID_BINDERFS,
not CONFIG_CONFIG_ANDROID_BINDERFS, so the extra prefix must
be removed in the Kconfig file to allow enabling the sample.

As the actual sample fails to build as a kernel module, change the
Makefile enough to get to build as a hostprog instead.

Fixes: 9762dc1432e1 ("samples: add binderfs sample program")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
 samples/Kconfig           | 2 +-
 samples/binderfs/Makefile | 6 +++++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/samples/Kconfig b/samples/Kconfig
index 5c31971a5745..e0b747cc90c9 100644
--- a/samples/Kconfig
+++ b/samples/Kconfig
@@ -171,7 +171,7 @@ config SAMPLE_VFIO_MDEV_MBOCHS
 
 config SAMPLE_ANDROID_BINDERFS
 	bool "Build Android binderfs example"
-	depends on CONFIG_ANDROID_BINDERFS
+	depends on ANDROID_BINDERFS
 	help
 	  Builds a sample program to illustrate the use of the Android binderfs
 	  filesystem.
diff --git a/samples/binderfs/Makefile b/samples/binderfs/Makefile
index ea4c93d36256..a3ac5476338a 100644
--- a/samples/binderfs/Makefile
+++ b/samples/binderfs/Makefile
@@ -1,2 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-only
-obj-$(CONFIG_SAMPLE_ANDROID_BINDERFS) += binderfs_example.o
+ifndef CROSS_COMPILE
+ifdef CONFIG_SAMPLE_ANDROID_BINDERFS
+hostprogs := binderfs_example
+endif
+endif
-- 
2.26.0