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authorDavid Brownell <david-b@pacbell.net>2007-01-16 23:06:07 -0800
committerGreg Kroah-Hartman <gregkh@suse.de>2007-02-07 15:44:39 -0800
commitce46794f77f698eaf3b80922fafac5a9379085e0 (patch)
treea2adffcbc277f721d92eaa1fef3bdf6e14f66d57 /drivers/usb/gadget
parent5b89db02a5a7c8bad3c6fb7888778082a441b385 (diff)
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USB: gadgetfs behaves better on userspace init bug
Resolve an initizlization issue that could come up if the userspace driver wrote invalid descriptors to a dual-speed device. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/gadget')
-rw-r--r--drivers/usb/gadget/inode.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c
index e5ce4f0..1c5e1ee 100644
--- a/drivers/usb/gadget/inode.c
+++ b/drivers/usb/gadget/inode.c
@@ -1392,17 +1392,17 @@ gadgetfs_setup (struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl)
spin_lock (&dev->lock);
dev->setup_abort = 0;
if (dev->state == STATE_DEV_UNCONNECTED) {
-
- dev->state = STATE_DEV_CONNECTED;
- dev->dev->bMaxPacketSize0 = gadget->ep0->maxpacket;
-
#ifdef CONFIG_USB_GADGET_DUALSPEED
if (gadget->speed == USB_SPEED_HIGH && dev->hs_config == 0) {
+ spin_unlock(&dev->lock);
ERROR (dev, "no high speed config??\n");
return -EINVAL;
}
#endif /* CONFIG_USB_GADGET_DUALSPEED */
+ dev->state = STATE_DEV_CONNECTED;
+ dev->dev->bMaxPacketSize0 = gadget->ep0->maxpacket;
+
INFO (dev, "connected\n");
event = next_event (dev, GADGETFS_CONNECT);
event->u.speed = gadget->speed;