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egl/dri2: fix segfault when display initialisation fails

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dri2_display_destroy() is called when platform specific display
initialisation fails. However, this would typically lead to a
segfault due to the dri2_egl_display vbtl not having been set up.

Fixes: 2db9548296 ("loader_dri3/glx/egl: Optionally use a blit
context for blitting operations")
Signed-off-by: Frank Binns <francisbinns@gmail.com>
Reviewed-by: Eric Engestrom <eric.engestrom@imgtec.com>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
This commit is contained in:
Frank Binns
2018-02-22 13:37:54 +00:00
committed by Eric Engestrom
parent e1623b303c
commit 6160bf97db
1 changed files with 1 additions and 1 deletions
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src/egl/drivers/dri2/egl_dri2.c
+1 -1
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@@ -973,7 +973,7 @@ dri2_display_destroy(_EGLDisplay *disp)
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
if (dri2_dpy->own_dri_screen) {
if (dri2_dpy->vtbl->close_screen_notify)
if (dri2_dpy->vtbl && dri2_dpy->vtbl->close_screen_notify)
dri2_dpy->vtbl->close_screen_notify(disp);
dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen);
}