add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/opp/debugfs.c
..
..
@@ -204,7 +204,7 @@
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 	dentry = debugfs_rename(rootdir, opp_dev->dentry, rootdir,
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 				opp_table->dentry_name);
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-	if (!dentry) {
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+	if (IS_ERR(dentry)) {
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 		dev_err(dev, "%s: Failed to rename link from: %s to %s\n",
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 			__func__, dev_name(opp_dev->dev), dev_name(dev));
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 		return;