[PATCH 5.4 024/184] modules: mark ref_module static

From: Greg Kroah-Hartman
Date: Mon May 10 2021 - 06:25:04 EST


From: Christoph Hellwig <hch@xxxxxx>

commit 7ef5264de773279b9f23b6cc8afb5addb30e970b upstream.

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

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Jessica Yu <jeyu@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
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)
{