Re: [PATCH next] spi: stm32-ospi: Fix an IS_ERR() vs NULL bug in stm32_ospi_get_resources()

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On 3/6/25 10:48, Dan Carpenter wrote:
> The devm_ioremap() function returns NULL on error, it doesn't return
> error pointers.  Fix the check to match.
> 
> Fixes: 79b8a705e26c ("spi: stm32: Add OSPI driver")
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> ---
>  drivers/spi/spi-stm32-ospi.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/spi/spi-stm32-ospi.c b/drivers/spi/spi-stm32-ospi.c
> index 8eadcb64f34a..a544d7897edf 100644
> --- a/drivers/spi/spi-stm32-ospi.c
> +++ b/drivers/spi/spi-stm32-ospi.c
> @@ -835,10 +835,10 @@ static int stm32_ospi_get_resources(struct platform_device *pdev)
>  	if (rmem) {
>  		ospi->mm_size = rmem->size;
>  		ospi->mm_base = devm_ioremap(dev, rmem->base, rmem->size);
> -		if (IS_ERR(ospi->mm_base)) {
> +		if (!ospi->mm_base) {
>  			dev_err(dev, "unable to map memory region: %pa+%pa\n",
>  				&rmem->base, &rmem->size);
> -			ret = PTR_ERR(ospi->mm_base);
> +			ret = -ENOMEM;
>  			goto err_dma;
>  		}
>  


Reviewed-by: Patrice Chotard <patrice.chotard@xxxxxxxxxxx>

Thanks
Patrice




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