From: Nicolas Boichat <drinkcat@chromium.org>
Date: Thu, 4 Aug 2016 02:07:52 +0000 (+0800)
Subject: egl/surfaceless: Set disp->DriverData to NULL on error
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=0e67d86540cb5f6bedffe4ff5dfcb1070e76b28b;p=mesa.git

egl/surfaceless: Set disp->DriverData to NULL on error

Avoid use-after-free on error.

Fixes: 9ee683f877 (egl/dri2: Add reference count for dri2_egl_display)
Cc: "12.0" <mesa-stable@lists.freedesktop.org>
Signed-off-by: Nicolas Boichat <drinkcat@chromium.org>
Tested-by: Martin Peres <martin.peres@linux.intel.com>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
---

diff --git a/src/egl/drivers/dri2/platform_surfaceless.c b/src/egl/drivers/dri2/platform_surfaceless.c
index 8ce6162fcc6..e0d383ba383 100644
--- a/src/egl/drivers/dri2/platform_surfaceless.c
+++ b/src/egl/drivers/dri2/platform_surfaceless.c
@@ -362,6 +362,7 @@ cleanup_driver:
    close(dri2_dpy->fd);
 cleanup_display:
    free(dri2_dpy);
+   disp->DriverData = NULL;
 
    return _eglError(EGL_NOT_INITIALIZED, err);
 }