tree e480db815f57044e18d9167db9e1ed7f45354266
parent f1a0743bc0e7a30c032b1eb78f6a2b0f805b4597
author Sarah Sharp <sarah.a.sharp@linux.intel.com> 1254861959 -0700
committer Greg Kroah-Hartman <gregkh@suse.de> 1255121528 -0700

USB: ehci: Fix isoc scheduling boundary checking.

The EHCI driver does some bounds checking when it's scheduling an iTD for
an active endpoint.  It sets the local variable start to
stream->next_uframe and moves that variable further in the schedule if
necessary.  However, the driver fails to do anything with start before
jumping to the ready label and setting the URB's starting frame to
stream->next_uframe.  Alan Stern confirms the EHCI driver should set
stream->next_uframe to start before jumping.

Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>