[PATCH 3/7 v2] can: xilinx: Fix platform_get_irq's error checking

[Arvind Yadav]

platform_get_irq() can fail here and we must check its return value.

Signed-off-by: Arvind Yadav <arvind.yadav...@gmail.com>
---
changes in v2:
             commit message was not correct.

 drivers/net/can/xilinx_can.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/can/xilinx_can.c b/drivers/net/can/xilinx_can.c
index 89aec07..1b859af 100644
--- a/drivers/net/can/xilinx_can.c
+++ b/drivers/net/can/xilinx_can.c
@@ -1111,6 +1111,10 @@ static int xcan_probe(struct platform_device *pdev)
 
        /* Get IRQ for the device */
        ndev->irq = platform_get_irq(pdev, 0);
+       if (ndev->irq <= 0) {
+               ret = ndev->irq ? ndev->irq : -ENODEV;
+               goto err_free;
+       }
        ndev->flags |= IFF_ECHO;        /* We support local echo */
 
        platform_set_drvdata(pdev, ndev);
-- 
2.7.4