diff options
| author | Ingo Molnar <mingo@elte.hu> | 2011-02-16 15:27:18 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-02-16 15:27:23 +0300 |
| commit | b00560f2d4de69bb12f66f9605985b516df98d77 (patch) | |
| tree | 0c92fc994125dc3ddb635842715be29d8b16808b /drivers/usb/core/hub.c | |
| parent | bf1af3a809506645b9130755b713b008da14737f (diff) | |
| parent | 4fe757dd48a9e95e1a071291f15dda5421dacb66 (diff) | |
| download | linux-b00560f2d4de69bb12f66f9605985b516df98d77.tar.xz | |
Merge branch 'perf/urgent' into perf/core
Merge reason: we need to queue up dependent patch
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/usb/core/hub.c')
| -rw-r--r-- | drivers/usb/core/hub.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 4310cc4b1cb5..d041c6826e43 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -2753,6 +2753,11 @@ hub_port_init (struct usb_hub *hub, struct usb_device *udev, int port1, udev->ttport = hdev->ttport; } else if (udev->speed != USB_SPEED_HIGH && hdev->speed == USB_SPEED_HIGH) { + if (!hub->tt.hub) { + dev_err(&udev->dev, "parent hub has no TT\n"); + retval = -EINVAL; + goto fail; + } udev->tt = &hub->tt; udev->ttport = port1; } |