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authorMiaoqian Lin <linmq006@gmail.com>2022-06-05 10:51:29 +0400
committerMichael Ellerman <mpe@ellerman.id.au>2022-08-01 22:21:18 +1000
commitdf5d4b616ee76abc97e5bd348e22659c2b095b1c (patch)
treed4fe2607426c06b163b4ee358408779bee899d2e /arch/powerpc
parent255b650cbec6849443ce2e0cdd187fd5e61c218c (diff)
powerpc/cell/axon_msi: Fix refcount leak in setup_msi_msg_address
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: ce21b3c9648a ("[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
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/platforms/cell/axon_msi.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/cell/axon_msi.c b/arch/powerpc/platforms/cell/axon_msi.c
index f3291e957a19..5b012abca773 100644
--- a/arch/powerpc/platforms/cell/axon_msi.c
+++ b/arch/powerpc/platforms/cell/axon_msi.c
@@ -223,6 +223,7 @@ static int setup_msi_msg_address(struct pci_dev *dev, struct msi_msg *msg)
if (!prop) {
dev_dbg(&dev->dev,
"axon_msi: no msi-address-(32|64) properties found\n");
+ of_node_put(dn);
return -ENOENT;
}