diff mbox

[3/5] PCI: mediatek: Check for platform_get_irq() error

Message ID 1508018851-9272-3-git-send-email-festevam@gmail.com (mailing list archive)
State New, archived
Delegated to: Bjorn Helgaas
Headers show

Commit Message

Fabio Estevam Oct. 14, 2017, 10:07 p.m. UTC 
platform_get_irq() may fail and in the case of failure the error value
should be propagated.

Cc: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Fabio Estevam <festevam@gmail.com>
---
 drivers/pci/host/pcie-mediatek.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox

Patch

diff --git a/drivers/pci/host/pcie-mediatek.c b/drivers/pci/host/pcie-mediatek.c
index db93efd..05f8c33 100644
--- a/drivers/pci/host/pcie-mediatek.c
+++ b/drivers/pci/host/pcie-mediatek.c
@@ -642,6 +642,8 @@  static int mtk_pcie_setup_irq(struct mtk_pcie_port *port,
 	int err, irq;
 
 	irq = platform_get_irq(pdev, port->slot);
+	if (irq < 0)
+		return irq;
 	err = devm_request_irq(dev, irq, mtk_pcie_intr_handler,
 			       IRQF_SHARED, "mtk-pcie", port);
 	if (err) {