From 7da7835e3d8f3f6c3e5fbb9a17fd2a53d87ea7a1 Mon Sep 17 00:00:00 2001
From: David Linares <dlinares.linux@gmail.com>
Date: Mon, 25 Mar 2013 10:50:27 +0000
Subject: [PATCH] --- yaml --- r: 364369 b: refs/heads/master c:
 769d7368b1727b1b5369d88badf0cbdf0163e079 h: refs/heads/master i:   364367:
 77d6701937c3829425dd6352fa19b687f2c300f8 v: v3

---
 [refs]                       | 2 +-
 trunk/drivers/usb/core/hub.c | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index 2349d95fa525..eebb007f7dee 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 5410a473fb7a466020af31e8b400c2d14ed94925
+refs/heads/master: 769d7368b1727b1b5369d88badf0cbdf0163e079
diff --git a/trunk/drivers/usb/core/hub.c b/trunk/drivers/usb/core/hub.c
index 5480352f984d..781546269d26 100644
--- a/trunk/drivers/usb/core/hub.c
+++ b/trunk/drivers/usb/core/hub.c
@@ -1317,6 +1317,10 @@ static int hub_configure(struct usb_hub *hub,
 		message = "hub has too many ports!";
 		ret = -ENODEV;
 		goto fail;
+	} else if (hub->descriptor->bNbrPorts == 0) {
+		message = "hub doesn't have any ports!";
+		ret = -ENODEV;
+		goto fail;
 	}
 
 	hdev->maxchild = hub->descriptor->bNbrPorts;