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driver core: node: use put_device() if device_register fail

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if device_register() returned an error! Always use put_device()
to give up the reference initialized.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Arvind Yadav
2018-03-11 11:25:50 +05:30
committed by Greg Kroah-Hartman
parent c8ae1674cd
commit c1cc0d5114
1 changed files with 3 additions and 1 deletions
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4
drivers/base/node.c
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@@ -315,7 +315,9 @@ static int register_node(struct node *node, int num)
node->dev.groups = node_dev_groups; node->dev.groups = node_dev_groups;
error = device_register(&node->dev); error = device_register(&node->dev);
if (!error){ if (error)
put_device(&node->dev);
else {
hugetlb_register_node(node); hugetlb_register_node(node);
compaction_register_node(node); compaction_register_node(node);