Commit f4f8320b authored by Liang He's avatar Liang He Committed by Michael Ellerman
Browse files

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: default avatarLiang He <windhl@126.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220701144949.252364-2-windhl@126.com
parent ad4b3236

arch/powerpc/platforms/cell/iommu.c

+3 −1
Original line number Diff line number Diff line
@@ -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