From 931bdcc09a3d805cf25033951adb95c8e5159e46 Mon Sep 17 00:00:00 2001
From: Werner Johansson <werner.johansson@sonyericsson.com>
Date: Wed, 30 Jun 2010 18:42:21 -0700
Subject: [PATCH] Set explicit timeout on USB control transfer

This attempts to solve the intermittent issues with serial number
showing up as all question marks when issuing "fastboot devices"
---
 fastboot/usb_linux.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fastboot/usb_linux.c b/fastboot/usb_linux.c
index 2ce53eb83..78b7b9805 100644
--- a/fastboot/usb_linux.c
+++ b/fastboot/usb_linux.c
@@ -137,6 +137,7 @@ static int filter_usb_device(int fd, char *ptr, int len, int writable,
         ctrl.wIndex = 0;
         ctrl.wLength = sizeof(buffer);
         ctrl.data = buffer;
+	ctrl.timeout = 50;
 
         result = ioctl(fd, USBDEVFS_CONTROL, &ctrl);
         if (result > 0) {