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Date: Mon, 13 Jun 2022 12:09:13 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Miaoqian Lin <linmq006@...il.com>, Michael Ellerman <mpe@...erman.id.au>, Sasha Levin <sashal@...nel.org> Subject: [PATCH 4.19 129/287] powerpc/fsl_rio: Fix refcount leak in fsl_rio_setup From: Miaoqian Lin <linmq006@...il.com> [ Upstream commit fcee96924ba1596ca80a6770b2567ca546f9a482 ] of_parse_phandle() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. Add missing of_node_put() to avoid refcount leak. Fixes: abc3aeae3aaa ("fsl-rio: Add two ports and rapidio message units support") Signed-off-by: Miaoqian Lin <linmq006@...il.com> Signed-off-by: Michael Ellerman <mpe@...erman.id.au> Link: https://lore.kernel.org/r/20220512123724.62931-1-linmq006@gmail.com Signed-off-by: Sasha Levin <sashal@...nel.org> --- arch/powerpc/sysdev/fsl_rio.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/powerpc/sysdev/fsl_rio.c b/arch/powerpc/sysdev/fsl_rio.c index 5011ffea4e4b..c48ebe677962 100644 --- a/arch/powerpc/sysdev/fsl_rio.c +++ b/arch/powerpc/sysdev/fsl_rio.c @@ -509,8 +509,10 @@ int fsl_rio_setup(struct platform_device *dev) if (rc) { dev_err(&dev->dev, "Can't get %pOF property 'reg'\n", rmu_node); + of_node_put(rmu_node); goto err_rmu; } + of_node_put(rmu_node); rmu_regs_win = ioremap(rmu_regs.start, resource_size(&rmu_regs)); if (!rmu_regs_win) { dev_err(&dev->dev, "Unable to map rmu register window\n"); -- 2.35.1
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