iio: adc: adi-axi-adc: Fix refcount leak in adi_axi_adc_attach_client
stable inclusion from stable-v5.10.127 commit 501652a2ad5450b4908e1f204ce75b2414c305b7 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I5XDDK Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=501652a2ad5450b4908e1f204ce75b2414c305b7 -------------------------------- commit ada7b0c0 upstream. 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: ef040706 ("iio: adc: adi-axi-adc: add support for AXI ADC IP core") Signed-off-by: NMiaoqian Lin <linmq006@gmail.com> Link: https://lore.kernel.org/r/20220524074517.45268-1-linmq006@gmail.com Cc: <Stable@vger.kernel.org> Signed-off-by: NJonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com> Reviewed-by: NWei Li <liwei391@huawei.com>
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