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Subject[PATCH 3/7 v2] can: xilinx: Fix platform_get_irq's error checking
Date
platform_get_irq() can fail here and we must check its return value.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@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
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