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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Arnd Bergmann <arnd@arndb.de>,
        Jessica Yu <jeyu@redhat.com>, Sasha Levin <sashal@kernel.org>
Subject: [PATCH 4.9 105/171] module: fix DEBUG_SET_MODULE_RONX typo
Date:   Thu,  8 Nov 2018 13:51:15 -0800
Message-Id: <20181108215134.991522354@linuxfoundation.org>
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4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

[ Upstream commit 4d217a5adccf5e806790c37c61cc374a08bd7381 ]

The newly added 'rodata_enabled' global variable is protected by
the wrong #ifdef, leading to a link error when CONFIG_DEBUG_SET_MODULE_RONX
is turned on:

kernel/module.o: In function `disable_ro_nx':
module.c:(.text.unlikely.disable_ro_nx+0x88): undefined reference to `rodata_enabled'
kernel/module.o: In function `module_disable_ro':
module.c:(.text.module_disable_ro+0x8c): undefined reference to `rodata_enabled'
kernel/module.o: In function `module_enable_ro':
module.c:(.text.module_enable_ro+0xb0): undefined reference to `rodata_enabled'

CONFIG_SET_MODULE_RONX does not exist, so use the correct one instead.

Fixes: 39290b389ea2 ("module: extend 'rodata=off' boot cmdline parameter to module mappings")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Jessica Yu <jeyu@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 init/main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/init/main.c b/init/main.c
index 4313772d634a..3c7f71d8e704 100644
--- a/init/main.c
+++ b/init/main.c
@@ -915,7 +915,7 @@ static int try_to_run_init_process(const char *init_filename)
 
 static noinline void __init kernel_init_freeable(void);
 
-#if defined(CONFIG_DEBUG_RODATA) || defined(CONFIG_SET_MODULE_RONX)
+#if defined(CONFIG_DEBUG_RODATA) || defined(CONFIG_DEBUG_SET_MODULE_RONX)
 bool rodata_enabled __ro_after_init = true;
 static int __init set_debug_rodata(char *str)
 {
-- 
2.17.1