From: Tang Bin <tangbin@xxxxxxxxxxxxxxxxxxxx>
[ Upstream commit d49292025f79693d3348f8e2029a8b4703be0f0a ]
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 <zhangshengju@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Tang Bin <tangbin@xxxxxxxxxxxxxxxxxxxx>
Reviewed-by: Peter Chen <peter.chen@xxxxxxx>
Link: https://lore.kernel.org/r/20200513132647.5456-1-tangbin@xxxxxxxxxxxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/usb/host/ehci-mxc.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/usb/host/ehci-mxc.c b/drivers/usb/host/ehci-mxc.c
index c9f91e6c72b6..7f65c86047dd 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)
--
2.25.1
