3641c24bd0
In xwl_glamor_eglstream_get_wl_buffer_for_pixmap. This can likely be hit
now with an SHM pixmap via the Present flip path. There might be other
corner cases.
Fixes: f3eb1684fa "xwayland: enable MIT-SHM shared pixmaps"
Reviewed-by: Olivier Fourdan <ofourdan@redhat.com>
X Server
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