Re: [PATCH] spi: spi-xilinx: fix for_each_child.cocci warnings

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On Tue, Feb 8, 2022 at 9:51 PM Julia Lawall <julia.lawall@xxxxxxxx> wrote:
>
> From: kernel test robot <lkp@xxxxxxxxx>
>
> After for_each_available_child_of_node, of_node_put is needed before break
> and return.
>
> Generated by: scripts/coccinelle/iterators/for_each_child.cocci
>
> Fixes: 3973536c4560 ("spi: spi-xilinx: Updated axi-qspi controller driver")
> CC: Amit Kumar Mahapatra <amit.kumar-mahapatra@xxxxxxxxxx>
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
> Signed-off-by: kernel test robot <lkp@xxxxxxxxx>
> Signed-off-by: Julia Lawall <julia.lawall@xxxxxxxx>

Signed-off-by: Ricardo Ribalda <ribalda@xxxxxxxxxxxx>
> ---
>
> tree:   https://github.com/Xilinx/linux-xlnx xlnx_rebase_v5.15
> head:   1183ce490adb103e5e569b8ebd74c50c885ddc05
> commit: 3973536c456079bf3d09e9a97bf33d29422b183f [861/872] spi: spi-xilinx: Updated axi-qspi controller driver
> :::::: branch date: 7 days ago
> :::::: commit date: 7 days ago
>
>  spi-xilinx.c |    5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
>
> --- a/drivers/spi/spi-xilinx.c
> +++ b/drivers/spi/spi-xilinx.c
> @@ -693,13 +693,16 @@ static int xilinx_spi_probe(struct platf
>                 if (startup_block) {
>                         ret = of_property_read_u32(nc, "reg",
>                                                    &cs_num);
> -                       if (ret < 0)
> +                       if (ret < 0) {
> +                               of_node_put(nc);
>                                 return -EINVAL;
> +                       }
>                 }
>                 ret = of_property_read_u32(nc, "spi-rx-bus-width",
>                                            &rx_bus_width);
>                 if (!ret) {
>                         xspi->rx_bus_width = rx_bus_width;
> +                       of_node_put(nc);
>                         break;
>                 }
>         }



-- 
Ricardo Ribalda



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