linux-kernel - [PATCH] pcmcia: Switch to using the new API kobj_to

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Date:   Mon, 4 Jan 2021 09:59:30 +0800
From:   Tian Tao <tiantao6@...ilicon.com>
To:     <linux@...inikbrodowski.net>
CC:     <linux-kernel@...r.kernel.org>
Subject: [PATCH] pcmcia: Switch to using the new API kobj_to_dev()

fixed the following coccicheck:
drivers/pcmcia/cistpl.c:1557:54-55: WARNING opportunity for kobj_to_dev()
drivers/pcmcia/cistpl.c:1584:53-54: WARNING opportunity for kobj_to_dev()

Signed-off-by: Tian Tao <tiantao6@...ilicon.com>
---
 drivers/pcmcia/cistpl.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/pcmcia/cistpl.c b/drivers/pcmcia/cistpl.c
index cf109d9..e693910 100644
--- a/drivers/pcmcia/cistpl.c
+++ b/drivers/pcmcia/cistpl.c
@@ -1554,7 +1554,7 @@ static ssize_t pccard_show_cis(struct file *filp, struct kobject *kobj,
 		if (off + count > size)
 			count = size - off;
 
-		s = to_socket(container_of(kobj, struct device, kobj));
+		s = to_socket(kobj_to_dev(kobj));
 
 		if (!(s->state & SOCKET_PRESENT))
 			return -ENODEV;
@@ -1581,7 +1581,7 @@ static ssize_t pccard_store_cis(struct file *filp, struct kobject *kobj,
 	if (error)
 		return error;
 
-	s = to_socket(container_of(kobj, struct device, kobj));
+	s = to_socket(kobj_to_dev(kobj));
 
 	if (off)
 		return -EINVAL;
-- 
2.7.4