gentoo-overlay/media-video/mpv/files/mpv-0.16.0-avoid-NULL-dereference-on-wayland.patch

commit 5c2026336419805202fbf7a817b2960b0584ce5d
Author: wm4 <wm4@nowhere>
Date:   Thu Mar 3 15:30:28 2016 +0100

    vo_opengl: wayland: don't destroy NULL wl_egl_window
    
    The wayland client API crashes intentionally when trying to free NULL
    objects. (Thanks.)

diff --git a/video/out/opengl/context_wayland.c b/video/out/opengl/context_wayland.c
index 63a1453..a100073 100644
--- a/video/out/opengl/context_wayland.c
+++ b/video/out/opengl/context_wayland.c
@@ -183,7 +183,8 @@ static void waylandgl_uninit(MPGLContext *ctx)

     if (wl->egl_context.egl.ctx) {
         eglReleaseThread();
-        wl_egl_window_destroy(wl->egl_context.egl_window);
+        if (wl->egl_context.egl_window)
+            wl_egl_window_destroy(wl->egl_context.egl_window);
         eglDestroySurface(wl->egl_context.egl.dpy, wl->egl_context.egl_surface);
         eglMakeCurrent(wl->egl_context.egl.dpy, NULL, NULL, EGL_NO_CONTEXT);
         eglDestroyContext(wl->egl_context.egl.dpy, wl->egl_context.egl.ctx);