parisc: Fix return code of pdc_iodc_print()
There is an off-by-one if the printed string includes a new-line
char.
Cc: stable@vger.kernel.org
Signed-off-by: 
Helge Deller <deller@gmx.de>
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There is an off-by-one if the printed string includes a new-line
char.
Cc: stable@vger.kernel.org
Signed-off-by: Helge Deller <deller@gmx.de>