The return value of platform_get_resource() needs to be checked.
To avoid use of error pointer in case of the failure of alloc.

Fixes: 4808a1c02611 ("[PATCH] USB: Add isp116x-hcd USB host controller driver")
Signed-off-by: Jiasheng Jiang <redacted>
---
  drivers/usb/host/isp116x-hcd.c | 6 ++++++
  1 file changed, 6 insertions(+)

diff --git a/drivers/usb/host/isp116x-hcd.c b/drivers/usb/host/isp116x-hcd.c
index 8835f6bd528e..addd2b43a14c 100644
--- a/drivers/usb/host/isp116x-hcd.c
+++ b/drivers/usb/host/isp116x-hcd.c

@@ -1541,9 +1541,15 @@ static int isp116x_remove(struct platform_device *pdev)
  
  	iounmap(isp116x->data_reg);
  	res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+	if (!res)
+		return -EINVAL;
+
  	release_mem_region(res->start, 2);
  	iounmap(isp116x->addr_reg);
  	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res)
+		return -EINVAL;