[PATCH] spi: stm32: Use NULL instead of 0 for pointer

[Alain Volmat]

Hi Krzysztof,

thanks for this patch.

On Mon, Feb 16, 2026 at 09:58:17AM +0100, Krzysztof Kozlowski wrote:
> Pointers should use NULL instead of explicit '0', as pointed out by
> sparse:
> 
>   spi-stm32.c:1659:65: warning: Using plain integer as NULL pointer
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski at oss.qualcomm.com>
> ---
>  drivers/spi/spi-stm32.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/spi/spi-stm32.c b/drivers/spi/spi-stm32.c
> index b99de8c4cc99..38f6bba38b07 100644
> --- a/drivers/spi/spi-stm32.c
> +++ b/drivers/spi/spi-stm32.c
> @@ -1656,7 +1656,7 @@ static int stm32_spi_transfer_one_dma(struct stm32_spi *spi,
>  			ret = stm32_spi_prepare_rx_dma_mdma_chaining(spi, xfer, &rx_dma_conf,
>  								     &rx_dma_desc, &rx_mdma_desc);
>  			if (ret) { /* RX DMA MDMA chaining not possible, fallback to DMA only */
> -				rx_dma_conf.peripheral_config = 0;
> +				rx_dma_conf.peripheral_config = NULL;
>  				rx_dma_desc = NULL;
>  			}
>  		}

Reviewed-by: Alain Volmat <alain.volmat at foss.st.com>

Regards,
Alain

> -- 
> 2.51.0
>