From d70590d53a8996acf55426ba934d49eee9f091cd Mon Sep 17 00:00:00 2001 From: Yang Yingliang Date: Wed, 14 Sep 2022 22:07:53 +0800 Subject: [PATCH] driver core: use IS_ERR_OR_NULL() helper in device_create_groups_vargs() Use IS_ERR_OR_NULL() helper in device_create_groups_vargs() to simplify code and improve readiblity. No functional change. Signed-off-by: Yang Yingliang Link: https://lore.kernel.org/r/20220914140753.3799982-1-yangyingliang@huawei.com Signed-off-by: Greg Kroah-Hartman --- drivers/base/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/base/core.c b/drivers/base/core.c index e168408..d025019 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -4170,7 +4170,7 @@ device_create_groups_vargs(struct class *class, struct device *parent, struct device *dev = NULL; int retval = -ENODEV; - if (class == NULL || IS_ERR(class)) + if (IS_ERR_OR_NULL(class)) goto error; dev = kzalloc(sizeof(*dev), GFP_KERNEL); -- 2.7.4