[PATCH] driver base: slience unused warning

[Su Hui]

Avoid unused warning with gcc and W=1 option.

drivers/base/module.c:36:6: error:
variable ‘no_warn’ set but not used [-Werror=unused-but-set-variable]

Signed-off-by: Su Hui <suhui@xxxxxxxxxxxx>
---
 drivers/base/module.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/base/module.c b/drivers/base/module.c
index 46ad4d636731..10494336d601 100644
--- a/drivers/base/module.c
+++ b/drivers/base/module.c
@@ -33,7 +33,7 @@ static void module_create_drivers_dir(struct module_kobject *mk)
 void module_add_driver(struct module *mod, struct device_driver *drv)
 {
 	char *driver_name;
-	int no_warn;
+	int __maybe_unused no_warn;
 	struct module_kobject *mk = NULL;
 
 	if (!drv)
-- 
2.30.2