This is a note to let you know that I've just added the patch titled powerpc/fsl_rio: Fix refcount leak in fsl_rio_setup to the 5.18-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: powerpc-fsl_rio-fix-refcount-leak-in-fsl_rio_setup.patch and it can be found in the queue-5.18 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit abe2636d45473eb3efc2ffd55218a864117189fb Author: Miaoqian Lin <linmq006@xxxxxxxxx> Date: Thu May 12 16:37:18 2022 +0400 powerpc/fsl_rio: Fix refcount leak in fsl_rio_setup [ 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@xxxxxxxxx> Signed-off-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx> Link: https://lore.kernel.org/r/20220512123724.62931-1-linmq006@xxxxxxxxx Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/arch/powerpc/sysdev/fsl_rio.c b/arch/powerpc/sysdev/fsl_rio.c index ff7906b48ca1..1bfc9afa8a1a 100644 --- a/arch/powerpc/sysdev/fsl_rio.c +++ b/arch/powerpc/sysdev/fsl_rio.c @@ -505,8 +505,10 @@ 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");