cirrus: allow zero source pitch in pattern fill rops
The rops used by cirrus_bitblt_common_patterncopy only use the destination pitch, so the source pitch shoul allowed to be zero and the blit with used for the range check around the source address. Signed-off-by:Wolfgang Bumiller <w.bumiller@proxmox.com> Message-id: 1485272138-23249-1-git-send-email-w.bumiller@proxmox.com Signed-off-by:
Gerd Hoffmann <kraxel@redhat.com> (cherry picked from commit 5858dd18) Signed-off-by:
Michael Roth <mdroth@linux.vnet.ibm.com>
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