powerpc/powernv: fix missing of_node_put in uv_init()

[ Upstream commit 3ffa9fd471f57f365bc54fc87824c530422f64a5 ]

of_find_compatible_node() returns node pointer with refcount incremented,
use of_node_put() on it when done.

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Lv Ruyi <lv.ruyi@zte.com.cn>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220407090043.2491854-1-lv.ruyi@zte.com.cn
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/arch/powerpc/platforms/powernv/ultravisor.c b/arch/powerpc/platforms/powernv/ultravisor.c
index e4a00ad..67c8c4b 100644 (file)
--- a/arch/powerpc/platforms/powernv/ultravisor.c
+++ b/arch/powerpc/platforms/powernv/ultravisor.c
@@ -55,6 +55,7 @@ static int __init uv_init(void)
                return -ENODEV;
 
        uv_memcons = memcons_init(node, "memcons");
+       of_node_put(node);
        if (!uv_memcons)
                return -ENOENT;