usb: tilegx: fix memleak when create hcd fail

When usb_create_hcd fail, we should call gxio_usb_host_destroy

Signed-off-by: Libo Chen <libo.chen@huawei.com>
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com> [extended to EHCI]

1 files changed, 5 insertions, 2 deletions

diff --git a/drivers/usb/host/ehci-tilegx.c b/drivers/usb/host/ehci-tilegx.c
index 1d215cdb9dea..b083a350eea3 100644
--- a/drivers/usb/host/ehci-tilegx.c
+++ b/drivers/usb/host/ehci-tilegx.c
@@ -118,8 +118,10 @@ static int ehci_hcd_tilegx_drv_probe(struct platform_device *pdev)
 
         hcd = usb_create_hcd(&ehci_tilegx_hc_driver, &pdev->dev,
                              dev_name(&pdev->dev));
-        if (!hcd)
-                return -ENOMEM;
+        if (!hcd) {
+          ret = -ENOMEM;
+          goto err_hcd;
+        }
 
         /*
          * We don't use rsrc_start to map in our registers, but seems like
@@ -176,6 +178,7 @@ err_have_irq:
 err_no_irq:
         tilegx_stop_ehc();
         usb_put_hcd(hcd);
+err_hcd:
         gxio_usb_host_destroy(&pdata->usb_ctx);
         return ret;
 }