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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, Christoph Hellwig <hch@lst.de>,
        Jessica Yu <jeyu@kernel.org>
Subject: [PATCH 5.4 024/184] modules: mark ref_module static
Date:   Mon, 10 May 2021 12:18:38 +0200
Message-Id: <20210510101951.028735728@linuxfoundation.org>
In-Reply-To: <20210510101950.200777181@linuxfoundation.org>
References: <20210510101950.200777181@linuxfoundation.org>
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From: Christoph Hellwig <hch@lst.de>

commit 7ef5264de773279b9f23b6cc8afb5addb30e970b upstream.

ref_module isn't used anywhere outside of module.c.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jessica Yu <jeyu@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 include/linux/module.h |    1 -
 kernel/module.c        |    6 ++----
 2 files changed, 2 insertions(+), 5 deletions(-)

--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -636,7 +636,6 @@ static inline void __module_get(struct m
 #define symbol_put_addr(p) do { } while (0)
 
 #endif /* CONFIG_MODULE_UNLOAD */
-int ref_module(struct module *a, struct module *b);
 
 /* This is a #define so the string doesn't get put in every .o file */
 #define module_name(mod)			\
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -867,7 +867,7 @@ static int add_module_usage(struct modul
 }
 
 /* Module a uses b: caller needs module_mutex() */
-int ref_module(struct module *a, struct module *b)
+static int ref_module(struct module *a, struct module *b)
 {
 	int err;
 
@@ -886,7 +886,6 @@ int ref_module(struct module *a, struct
 	}
 	return 0;
 }
-EXPORT_SYMBOL_GPL(ref_module);
 
 /* Clear the unload stuff of the module. */
 static void module_unload_free(struct module *mod)
@@ -1167,11 +1166,10 @@ static inline void module_unload_free(st
 {
 }
 
-int ref_module(struct module *a, struct module *b)
+static int ref_module(struct module *a, struct module *b)
 {
 	return strong_try_module_get(b);
 }
-EXPORT_SYMBOL_GPL(ref_module);
 
 static inline int module_unload_init(struct module *mod)
 {