diff options
| -rw-r--r-- | xserver/mi/miexpose.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/xserver/mi/miexpose.c b/xserver/mi/miexpose.c index c34530c34..610829f98 100644 --- a/xserver/mi/miexpose.c +++ b/xserver/mi/miexpose.c @@ -411,7 +411,7 @@ miPaintWindow(WindowPtr pWin, RegionPtr prgn, int what) int i; BoxPtr pbox; xRectangle *prect; - int numRects; + int numRects, regionnumrects; /* * Distance from screen to destination drawable, use this @@ -515,7 +515,10 @@ miPaintWindow(WindowPtr pWin, RegionPtr prgn, int what) gcmask |= GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin; } - prect = xallocarray(RegionNumRects(prgn), sizeof(xRectangle)); + regionnumrects = RegionNumRects(prgn); + if (regionnumrects == 0) + return; + prect = xallocarray(regionnumrects, sizeof(xRectangle)); if (!prect) return; |