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powerpc/cell/axon_msi: Fix refcount leak in setup_msi_msg_address
[ Upstream commitdf5d4b616e
] of_get_next_parent() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. Add missing of_node_put() in the error path to avoid refcount leak. Fixes:ce21b3c964
("[CELL] add support for MSI on Axon-based Cell systems") Signed-off-by: Miaoqian Lin <linmq006@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20220605065129.63906-1-linmq006@gmail.com Signed-off-by: Sasha Levin <sashal@kernel.org>
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@ -223,6 +223,7 @@ static int setup_msi_msg_address(struct pci_dev *dev, struct msi_msg *msg)
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if (!prop) {
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dev_dbg(&dev->dev,
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"axon_msi: no msi-address-(32|64) properties found\n");
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of_node_put(dn);
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return -ENOENT;
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}
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