cirrus: fix off-by-one in cirrus_bitblt_rop_bkwd_transp_*_16
The switch from pointers to addresses (commit
026aeffcb4752054830ba203020ed6eb05bcaba8 and
ffaf857778286ca54e3804432a2369a279e73aa7) added
a off-by-one bug to 16bit backward blits. Fix.
Reported-by: 李强 <liqiang6-s@360.cn>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Li Qiang <liqiang6-s@360.cn>
Message-id:
1489735296-19047-1-git-send-email-kraxel@redhat.com
(cherry picked from commit
f019722cbbb45aea153294fc8921fcc96a4d3fa2)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>