diff --git a/drivers/dma/nbpfaxi.c b/drivers/dma/nbpfaxi.c
index a7063e9cd551..e389945e36f2 100644
--- a/drivers/dma/nbpfaxi.c
+++ b/drivers/dma/nbpfaxi.c
@@ -1354,7 +1354,7 @@ static int nbpf_probe(struct platform_device *pdev)
 	if (irqs == 1) {
 		eirq = irqbuf[0];
 
-		for (i = 0; i <= num_channels; i++)
+		for (i = 0; i < num_channels; i++)
 			nbpf->chan[i].irq = irqbuf[0];
 	} else {
 		eirq = platform_get_irq_byname(pdev, "error");
@@ -1364,16 +1364,15 @@ 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;
+			for (i = 0, chan = nbpf->chan; i < num_channels;
 			     i++, chan++) {
 				/* Skip the error IRQ */
 				if (irqbuf[i] == eirq)
 					i++;
+				if (i >= ARRAY_SIZE(irqbuf))
+					return -EINVAL;
 				chan->irq = irqbuf[i];
 			}
-
-			if (chan != nbpf->chan + num_channels)
-				return -EINVAL;
 		} else {
 			/* 2 IRQs and more than one channel */
 			if (irqbuf[0] == eirq)
@@ -1381,7 +1380,7 @@ static int nbpf_probe(struct platform_device *pdev)
 			else
 				irq = irqbuf[0];
 
-			for (i = 0; i <= num_channels; i++)
+			for (i = 0; i < num_channels; i++)
 				nbpf->chan[i].irq = irq;
 		}
 	}