linux-kernel - [PATCH] module.h: simplify MODULE_IMPORT

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Message-Id: <20220427090321.2105373-1-gregkh@linuxfoundation.org>
Date:   Wed, 27 Apr 2022 11:03:21 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Luis Chamberlain <mcgrof@...nel.org>,
        Jessica Yu <jeyu@...nel.org>,
        Matthias Maennich <maennich@...gle.com>
Subject: [PATCH] module.h: simplify MODULE_IMPORT_NS

In commit ca321ec74322 ("module.h: allow #define strings to work with
MODULE_IMPORT_NS") I fixed up the MODULE_IMPORT_NS() macro to allow
defined strings to work with it.  Unfortunatly I did it in a two-stage
process, when it could just be done with the __stringify() macro as
pointed out by Masahiro Yamada.

Clean this up to only be one macro instead of two steps to achieve the
same end result.

Fixes: ca321ec74322 ("module.h: allow #define strings to work with MODULE_IMPORT_NS")
Reported-by: Masahiro Yamada <masahiroy@...nel.org>
Cc: Luis Chamberlain <mcgrof@...nel.org>
Cc: Jessica Yu <jeyu@...nel.org>
Cc: Matthias Maennich <maennich@...gle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 include/linux/module.h | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/include/linux/module.h b/include/linux/module.h
index 1e135fd5c076..d5e9066990ca 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -290,8 +290,7 @@ extern typeof(name) __mod_##type##__##name##_device_table		\
  * files require multiple MODULE_FIRMWARE() specifiers */
 #define MODULE_FIRMWARE(_firmware) MODULE_INFO(firmware, _firmware)
 
-#define _MODULE_IMPORT_NS(ns)	MODULE_INFO(import_ns, #ns)
-#define MODULE_IMPORT_NS(ns)	_MODULE_IMPORT_NS(ns)
+#define MODULE_IMPORT_NS(ns)	MODULE_INFO(import_ns, __stringify(ns))
 
 struct notifier_block;
 
-- 
2.36.0