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In media5200_init_irq(), of_find_compatible_node() will return a node pointer with refcount incremented. The reference should be dropped with of_node_put() in the failure path or when it is not used anymore. Don't worry about 'fpga_np == NULL' as of_node_put() can correctly handle that. Signed-off-by: Liang He <windhl@126.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20220616144007.3987743-1-windhl@126.com