The return variable of psb_gtt_pin() may be used
uninitialized. Also fixed some coding style issues.
Signed-off-by: Andre Bartke <andre.bartke@gmail.com>
[Reapplied by hand due to other changes] Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>