[cairo-bugs] [Bug 68457] cairo_dfb_surface does not unlock directfb surface after lock

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=68457

--- Comment #1 from frank.chou at opentv.com ---
There is a bug in Cairo DirectFB backend. After applying the patch from the
link below to cairo-1.12.14
http://cgit.freedesktop.org/cairo/commit/?id=631bf299256e11a17511977f357e0353fb5615f7

The directfb surface is locked in _cairo_dfb_surface_map_to_image() but not
unlocked in _cairo_dfb_surface_unmap_image(). Therefore, it is preventing the
application from using that directfb surface, such as surface->flip.

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