From: Tang Bin Date: Wed, 13 May 2020 13:26:47 +0000 (+0800) Subject: USB: host: ehci-mxc: Add error handling in ehci_mxc_drv_probe() X-Git-Tag: v5.8-rc1~108^2~19 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d49292025f79693d3348f8e2029a8b4703be0f0a;p=thirdparty%2Fkernel%2Fstable.git USB: host: ehci-mxc: Add error handling in ehci_mxc_drv_probe() The function ehci_mxc_drv_probe() does not perform sufficient error checking after executing platform_get_irq(), thus fix it. Fixes: 7e8d5cd93fac ("USB: Add EHCI support for MX27 and MX31 based boards") Signed-off-by: Zhang Shengju Signed-off-by: Tang Bin Reviewed-by: Peter Chen Link: https://lore.kernel.org/r/20200513132647.5456-1-tangbin@cmss.chinamobile.com Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/usb/host/ehci-mxc.c b/drivers/usb/host/ehci-mxc.c index 09e01397f987b..dc2676320527b 100644 --- a/drivers/usb/host/ehci-mxc.c +++ b/drivers/usb/host/ehci-mxc.c @@ -50,6 +50,8 @@ static int ehci_mxc_drv_probe(struct platform_device *pdev) } irq = platform_get_irq(pdev, 0); + if (irq < 0) + return irq; hcd = usb_create_hcd(&ehci_mxc_hc_driver, dev, dev_name(dev)); if (!hcd)