[PATCH next] arch: powerpc: platforms: Remove unnecessary call to of_node_get

[Prabhav Kumar Vaish]

`dev->of_node` has a pointer to device node, of_node_get call seems
unnecessary.
It will automate the cleanup process allowing to remove the of_node_put
call.

Signed-off-by: Prabhav Kumar Vaish <pvkumar5749...@gmail.com>
---
 arch/powerpc/platforms/cell/iommu.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/arch/powerpc/platforms/cell/iommu.c 
b/arch/powerpc/platforms/cell/iommu.c
index 4cd9c0de22c2..5b794ce08689 100644
--- a/arch/powerpc/platforms/cell/iommu.c
+++ b/arch/powerpc/platforms/cell/iommu.c
@@ -780,14 +780,13 @@ static int __init cell_iommu_init_disabled(void)
 static u64 cell_iommu_get_fixed_address(struct device *dev)
 {
        u64 cpu_addr, size, best_size, dev_addr = OF_BAD_ADDR;
-       struct device_node *np;
+       struct device_node *np = dev->of_node;
        const u32 *ranges = NULL;
        int i, len, best, naddr, nsize, pna, range_size;
 
        /* We can be called for platform devices that have no of_node */
-       np = of_node_get(dev->of_node);
        if (!np)
-               goto out;
+               return dev_addr;
 
        while (1) {
                naddr = of_n_addr_cells(np);
@@ -805,7 +804,7 @@ static u64 cell_iommu_get_fixed_address(struct device *dev)
 
        if (!ranges) {
                dev_dbg(dev, "iommu: no dma-ranges found\n");
-               goto out;
+               return dev_addr;
        }
 
        len /= sizeof(u32);
@@ -833,8 +832,6 @@ static u64 cell_iommu_get_fixed_address(struct device *dev)
        } else
                dev_dbg(dev, "iommu: no suitable range found!\n");
 
-out:
-       of_node_put(np);
 
        return dev_addr;
 }
-- 
2.34.1