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authorLiang He <windhl@126.com>2022-07-01 22:49:49 +0800
committerMichael Ellerman <mpe@ellerman.id.au>2022-09-05 17:28:26 +1000
commitf4f8320b01677b467c768c43c1e1d10383a0e30d (patch)
tree2017e157c794d8dc50b72851f03b909b22192e68 /arch/powerpc/platforms/cell/iommu.c
parentpowerpc/cell: Add missing of_node_put()s in cbe_regs.c (diff)
downloadlinux-dev-f4f8320b01677b467c768c43c1e1d10383a0e30d.tar.xz
linux-dev-f4f8320b01677b467c768c43c1e1d10383a0e30d.zip
powerpc/cell: Add missing of_node_put() in iommu.c
In cell_iommu_init_disabled(), hold the reference returned by of_find_node_by_name() and use it to call of_node_put() for reference balance. Signed-off-by: Liang He <windhl@126.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20220701144949.252364-2-windhl@126.com
Diffstat (limited to '')
-rw-r--r--arch/powerpc/platforms/cell/iommu.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/cell/iommu.c b/arch/powerpc/platforms/cell/iommu.c
index 0ca3efeef293..8c7133039566 100644
--- a/arch/powerpc/platforms/cell/iommu.c
+++ b/arch/powerpc/platforms/cell/iommu.c
@@ -720,8 +720,10 @@ static int __init cell_iommu_init_disabled(void)
cell_disable_iommus();
/* If we have no Axon, we set up the spider DMA magic offset */
- if (of_find_node_by_name(NULL, "axon") == NULL)
+ np = of_find_node_by_name(NULL, "axon");
+ if (!np)
cell_dma_nommu_offset = SPIDER_DMA_OFFSET;
+ of_node_put(np);
/* Now we need to check to see where the memory is mapped
* in PCI space. We assume that all busses use the same dma