linux-kernel - [PATCH v3 1/7] lib/test_printf: Add empty module

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Message-Id: <20190306214226.14598-2-tobin@kernel.org>
Date:   Thu,  7 Mar 2019 08:42:20 +1100
From:   "Tobin C. Harding" <tobin@...nel.org>
To:     Kees Cook <keescook@...omium.org>, Shuah Khan <shuah@...nel.org>
Cc:     "Tobin C. Harding" <tobin@...nel.org>,
        Jann Horn <jannh@...gle.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Randy Dunlap <rdunlap@...radead.org>,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Andy Lutomirski <luto@...capital.net>,
        Daniel Micay <danielmicay@...il.com>,
        Arnd Bergmann <arnd@...db.de>,
        Miguel Ojeda <miguel.ojeda.sandonis@...il.com>,
        "Gustavo A. R. Silva" <gustavo@...eddedor.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        kernel-hardening@...ts.openwall.com,
        linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v3 1/7] lib/test_printf: Add empty module_exit function

Currently the test_printf module does not have an exit function, this
prevents the module from being unloaded.  If we cannot unload the
module we cannot run the tests a second time.

Add an empty exit function.

Signed-off-by: Tobin C. Harding <tobin@...nel.org>
---
 lib/test_printf.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lib/test_printf.c b/lib/test_printf.c
index 659b6cc0d483..601e8519319a 100644
--- a/lib/test_printf.c
+++ b/lib/test_printf.c
@@ -615,5 +615,11 @@ test_printf_init(void)
 
 module_init(test_printf_init);
 
+static void __exit test_printf_exit(void)
+{
+}
+
+module_exit(test_printf_exit);
+
 MODULE_AUTHOR("Rasmus Villemoes <linux@...musvillemoes.dk>");
 MODULE_LICENSE("GPL");
-- 
2.20.1