diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c
index 1a15392326fc..228672f2c4a1 100644
--- a/drivers/usb/core/message.c
+++ b/drivers/usb/core/message.c
@@ -269,10 +269,11 @@ static void sg_clean(struct usb_sg_request *io)
 
 static void sg_complete(struct urb *urb)
 {
+	unsigned long flags;
 	struct usb_sg_request *io = urb->context;
 	int status = urb->status;
 
-	spin_lock(&io->lock);
+	spin_lock_irqsave(&io->lock, flags);
 
 	/* In 2.5 we require hcds' endpoint queues not to progress after fault
 	 * reports, until the completion callback (this!) returns.  That lets
@@ -306,7 +307,7 @@ static void sg_complete(struct urb *urb)
 		 * unlink pending urbs so they won't rx/tx bad data.
 		 * careful: unlink can sometimes be synchronous...
 		 */
-		spin_unlock(&io->lock);
+		spin_unlock_irqrestore(&io->lock, flags);
 		for (i = 0, found = 0; i < io->entries; i++) {
 			if (!io->urbs[i])
 				continue;
@@ -323,7 +324,7 @@ static void sg_complete(struct urb *urb)
 			} else if (urb == io->urbs[i])
 				found = 1;
 		}
-		spin_lock(&io->lock);
+		spin_lock_irqsave(&io->lock, flags);
 	}
 
 	/* on the last completion, signal usb_sg_wait() */
@@ -332,7 +333,7 @@ static void sg_complete(struct urb *urb)
 	if (!io->count)
 		complete(&io->complete);
 
-	spin_unlock(&io->lock);
+	spin_unlock_irqrestore(&io->lock, flags);
 }