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 @@ -597,7 +597,6 @@ 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 @@ -850,7 +850,7 @@ 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; @@ -869,7 +869,6 @@ 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) @@ -1150,11 +1149,10 @@ 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) {