linux-kernel - [PATCH] drivers: modules: remove set but not used variable 'no

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Message-ID: <20200721084144.13545-1-zhengyongjun3@huawei.com>
Date:   Tue, 21 Jul 2020 16:41:44 +0800
From:   Zheng Yongjun <zhengyongjun3@...wei.com>
To:     <gregkh@...uxfoundation.org>, <rafael@...nel.org>
CC:     <linux-kernel@...r.kernel.org>,
        Zheng Yongjun <zhengyongjun3@...wei.com>
Subject: [PATCH] drivers: modules: remove set but not used variable 'no_warn'

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/base/module.c: In function 'module_add_driver':
drivers/base/module.c:33: warning:
variable 'no_warn' set but not used [-Wunused-but-set-variable]

Signed-off-by: Zheng Yongjun <zhengyongjun3@...wei.com>
---
 drivers/base/module.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/base/module.c b/drivers/base/module.c
index 46ad4d636731..d1060c504c1b 100644
--- a/drivers/base/module.c
+++ b/drivers/base/module.c
@@ -33,7 +33,6 @@ 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;
 	struct module_kobject *mk = NULL;
 
 	if (!drv)
@@ -59,11 +58,11 @@ void module_add_driver(struct module *mod, struct device_driver *drv)
 		return;
 
 	/* Don't check return codes; these calls are idempotent */
-	no_warn = sysfs_create_link(&drv->p->kobj, &mk->kobj, "module");
+	sysfs_create_link(&drv->p->kobj, &mk->kobj, "module");
 	driver_name = make_driver_name(drv);
 	if (driver_name) {
 		module_create_drivers_dir(mk);
-		no_warn = sysfs_create_link(mk->drivers_dir, &drv->p->kobj,
+		sysfs_create_link(mk->drivers_dir, &drv->p->kobj,
 					    driver_name);
 		kfree(driver_name);
 	}
-- 
2.17.1