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Message-Id: <20220614160059.1739862-1-zhi.song@bytedance.com>
Date: Wed, 15 Jun 2022 00:00:59 +0800
From: Zhi Song <zhi.song@...edance.com>
To: gregkh@...uxfoundation.org, rafael@...nel.org
Cc: linux-kernel@...r.kernel.org, Zhi Song <zhi.song@...edance.com>
Subject: [PATCH] node: put_device after failing to device_register
device_register() is used to register a device with the system.
We need to call put_device() to give up the reference initialized
in device_register() when it returns an error and this will clean
up correctly.
Signed-off-by: Zhi Song <zhi.song@...edance.com>
---
drivers/base/node.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/base/node.c b/drivers/base/node.c
index 0ac6376ef7a1..88a3337c546e 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -154,6 +154,7 @@ static struct node_access_nodes *node_init_node_access(struct node *node,
list_add_tail(&access_node->list_node, &node->access_list);
return access_node;
free_name:
+ put_device(dev);
kfree_const(dev->kobj.name);
free:
kfree(access_node);
--
2.30.2
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