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staging: usbip: remove double giveback of URB 

In the vhci_urb_dequeue() function the TCP connection is checked twice.
Each time when the TCP connection is closed the URB is unlinked and given
back. Remove the second attempt of unlinking and giving back of the URB completely.

This patch fixes the bug described at https://bugzilla.kernel.org/show_bug.cgi?id=24872 .

Signed-off-by: Márton Németh <nm127@freemail.hu>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Márton Németh 2010-12-13 21:59:09 +01:00 committed by Greg Kroah-Hartman
parent 63d5e5a727
commit 7571f089d7
1 changed files with 0 additions and 14 deletions
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14
drivers/staging/usbip/vhci_hcd.c
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@ -799,20 +799,6 @@ static int vhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
spin_unlock_irqrestore(&vdev->priv_lock, flags2);
}
if (!vdev->ud.tcp_socket) {
/* tcp connection is closed */
usbip_uinfo("vhci_hcd: vhci_urb_dequeue() gives back urb %p\n",
urb);
usb_hcd_unlink_urb_from_ep(hcd, urb);
spin_unlock_irqrestore(&the_controller->lock, flags);
usb_hcd_giveback_urb(vhci_to_hcd(the_controller), urb,
urb->status);
spin_lock_irqsave(&the_controller->lock, flags);
}
spin_unlock_irqrestore(&the_controller->lock, flags);
usbip_dbg_vhci_hc("leave\n");