Smatch reports: drivers/usb/phy/phy-tahvo.c: tahvo_usb_probe() warn: missing unwind goto? After geting irq, if ret < 0, it will return without error handling to free memory. Just add error handling to fix this problem. Fixes: 0d45a1373e66 ("usb: phy: tahvo: add IRQ check") Signed-off-by: Li Yang <lidaxian@xxxxxxxxxxx> Reviewed-by: Dongliang Mu <dzm91@xxxxxxxxxxx> --- The issue is found by static analysis, and the patch remains untest. --- drivers/usb/phy/phy-tahvo.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/usb/phy/phy-tahvo.c b/drivers/usb/phy/phy-tahvo.c index f2d2cc586c5b..184a5f3d7473 100644 --- a/drivers/usb/phy/phy-tahvo.c +++ b/drivers/usb/phy/phy-tahvo.c @@ -390,8 +390,11 @@ static int tahvo_usb_probe(struct platform_device *pdev) dev_set_drvdata(&pdev->dev, tu); tu->irq = ret = platform_get_irq(pdev, 0); - if (ret < 0) - return ret; + if (ret < 0) { + dev_err(&pdev->dev, "could not get irq: %d\n", + ret); + goto err_remove_phy; + } ret = request_threaded_irq(tu->irq, NULL, tahvo_usb_vbus_interrupt, IRQF_ONESHOT, "tahvo-vbus", tu); -- 2.34.1