Zero is not a valid IRQ for in-kernel code and the irq_of_parse_and_map()
function returns zero on error. So this check for valid IRQs should only
accept values > 0.
Fixes: 2b6b3b742019 ("ARM/dmaengine: edma: Merge the two drivers under drivers/dma/")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
drivers/dma/ti/edma.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/dma/ti/edma.c b/drivers/dma/ti/edma.c
index aa8e2e8ac260..33d6d931b33b 100644
--- a/drivers/dma/ti/edma.c
+++ b/drivers/dma/ti/edma.c
@@ -2401,7 +2401,7 @@ static int edma_probe(struct platform_device *pdev)
if (irq < 0 && node)
irq = irq_of_parse_and_map(node, 0);
- if (irq >= 0) {
+ if (irq > 0) {
irq_name = devm_kasprintf(dev, GFP_KERNEL, "%s_ccint",
dev_name(dev));
ret = devm_request_irq(dev, irq, dma_irq_handler, 0, irq_name,
@@ -2417,7 +2417,7 @@ static int edma_probe(struct platform_device *pdev)
if (irq < 0 && node)
irq = irq_of_parse_and_map(node, 2);
- if (irq >= 0) {
+ if (irq > 0) {
irq_name = devm_kasprintf(dev, GFP_KERNEL, "%s_ccerrint",
dev_name(dev));
ret = devm_request_irq(dev, irq, dma_ccerr_handler, 0, irq_name,
--
2.39.2
