[PATCH 04/10] can: xilinx: Handle return value of platform_get_irq
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STALE3238d
From: Arvind Yadav <hidden>
Date: 2017-12-02 19:26:52
Also in:
linux-arm-kernel, lkml
Subsystem:
can network drivers, the rest, xilinx can driver · Maintainers:
Marc Kleine-Budde, Vincent Mailhol, Linus Torvalds, Harini T
platform_get_irq() can fail here and we must check its return value. Signed-off-by: Arvind Yadav <redacted> --- 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..e36e2a2 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);
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2.7.4