PCI: iproc: Fix a leaked reference by adding missing of_node_put()

The call to of_parse_phandle() returns a node pointer with refcount
incremented thus it must be explicitly decremented after the last
usage.

iproc_msi_init() also calls of_node_get() to increase refcount:

proc_msi_init()
 -> iproc_msi_alloc_domains()
  -> pci_msi_create_irq_domain()
   -> msi_create_irq_domain()
    -> irq_domain_create_linear()
     -> __irq_domain_add()

so irq_domain will not be affected when it is released.

Detected by coccinelle with the following warnings:
  ./drivers/pci/controller/pcie-iproc.c:1323:3-9: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 1299, but without a corresponding object release within this function.
  ./drivers/pci/controller/pcie-iproc.c:1330:1-7: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 1299, but without a corresponding object release within this function.

Signed-off-by: Wen Yang <[email protected]>
Signed-off-by: Lorenzo Pieralisi <[email protected]>
Cc: Lorenzo Pieralisi <[email protected]>
Cc: Bjorn Helgaas <[email protected]>
Cc: Ray Jui <[email protected]>
Cc: Scott Branden <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]

0 files changed, 0 insertions, 0 deletions