Re: [PATCH v2] dmaengine: nbpfaxi: Fix setting channel irqs in probe()

[Dan Carpenter <error27@gmail.com>]

On Thu, Jul 02, 2026 at 05:28:03PM +0200, Christian Taedcke via B4 Relay wrote:
> diff --git a/drivers/dma/nbpfaxi.c b/drivers/dma/nbpfaxi.c
> index 05d7321629cc..bcfab62a71d7 100644
> --- a/drivers/dma/nbpfaxi.c
> +++ b/drivers/dma/nbpfaxi.c
> @@ -1374,14 +1374,12 @@ static int nbpf_probe(struct platform_device *pdev)
>  		if (irqs == num_channels + 1) {
>  			struct nbpf_channel *chan;
>  
> -			for (i = 0, chan = nbpf->chan; i < num_channels;
> -			     i++, chan++) {
> +			for (i = 0, chan = nbpf->chan; i < irqs; i++) {
>  				/* Skip the error IRQ */
>  				if (irqbuf[i] == eirq)
> -					i++;
> -				if (i >= ARRAY_SIZE(irqbuf))
> -					return -EINVAL;
> +					continue;
>  				chan->irq = irqbuf[i];
> +				chan++;

If we don't hit the continue then this could still corrupt memory.

regards,
dan carpenter