linux-kernel - [PATCH] kernel/module: silence a gcc warning

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Date:   Wed, 11 Apr 2018 21:05:09 +0200
From:   Mathieu Malaterre <malat@...ian.org>
To:     Jessica Yu <jeyu@...nel.org>
Cc:     Mathieu Malaterre <malat@...ian.org>, linux-kernel@...r.kernel.org
Subject: [PATCH] kernel/module: silence a gcc warning

In commit 8c8ef42aee8f ("module: include other structures in module version
check"), the function `struct_module` was renamed to `module_layout` but no
prototype was added to `include/linux/module.h`. Remove warning triggered
at W=1:

  kernel/module.c:4378:6: warning: no previous prototype for ‘module_layout’ [-Wmissing-prototypes]

Signed-off-by: Mathieu Malaterre <malat@...ian.org>
---
 include/linux/module.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/include/linux/module.h b/include/linux/module.h
index d44df9b2c131..28046e8b7e9d 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -786,6 +786,14 @@ extern int module_sysfs_initialized;
 
 #define symbol_request(x) try_then_request_module(symbol_get(x), "symbol:" #x)
 
+#ifdef CONFIG_MODVERSIONS
+void module_layout(struct module *mod,
+		   struct modversion_info *ver,
+		   struct kernel_param *kp,
+		   struct kernel_symbol *ks,
+		   struct tracepoint * const *tp);
+#endif /* CONFIG_MODVERSIONS */
+
 /* BELOW HERE ALL THESE ARE OBSOLETE AND WILL VANISH */
 
 #define __MODULE_STRING(x) __stringify(x)
-- 
2.11.0