From a85de2be7dad188e6c6b29ec998aea258a64ea1e Mon Sep 17 00:00:00 2001
From: lyz <lyz@rock-chips.com>
Date: Sun, 18 Jan 2015 23:37:11 +0800
Subject: [PATCH] usb: dwc_otg: fix a spin-lock error, here should not goto
 return without unlock hck->lock

---
 drivers/usb/dwc_otg_310/dwc_otg_hcd_linux.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/usb/dwc_otg_310/dwc_otg_hcd_linux.c b/drivers/usb/dwc_otg_310/dwc_otg_hcd_linux.c
index 3a48dc3e52a3..e9eb036db319 100755
--- a/drivers/usb/dwc_otg_310/dwc_otg_hcd_linux.c
+++ b/drivers/usb/dwc_otg_310/dwc_otg_hcd_linux.c
@@ -1136,13 +1136,13 @@ static int urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
 	}
 #endif
 
-	DWC_SPINLOCK_IRQSAVE(dwc_otg_hcd->lock, &flags);
-
 	if (((uint32_t) urb & 0xf0000000) == 0) {
 		DWC_PRINTF("%s error: urb is %p!!!\n", __func__, urb);
-		goto out1;
+		return 0;
 	}
 
+	DWC_SPINLOCK_IRQSAVE(dwc_otg_hcd->lock, &flags);
+
 	if (((uint32_t) urb->hcpriv & 0xf0000000) == 0) {
 		DWC_PRINTF("%s error: urb->hcpriv %p urb %p, count %d!!!\n",
 			   __func__, urb->hcpriv, urb,
@@ -1172,7 +1172,7 @@ out2:
 		DWC_PRINTF("Called usb_hcd_giveback_urb()\n");
 		DWC_PRINTF("  urb->status = %d\n", urb->status);
 	}
-out1:
+
 	return 0;
 }
 
-- 
2.34.1