Module: Mesa
Branch: master
Commit: 5d87a7c894d8327491be804fee8005fadfaeb3f1
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=5d87a7c894d8327491be804fee8005fadfaeb3f1

Author: Daniel Czarnowski <[email protected]>
Date:   Thu Feb 11 14:03:58 2016 +0200

egl_dri2: NULL check for xcb_dri2_get_buffers_reply()

Without the check, unsuccessful xcb_dri2_get_buffers_reply(...) causes
segmentation fault in dri2_get_buffers.

Signed-off-by: Matt Roper <[email protected]>
Reviewed-by: Emil Velikov <[email protected]>
Cc: "11.0 11.1" <[email protected]

---

 src/egl/drivers/dri2/platform_x11.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/egl/drivers/dri2/platform_x11.c 
b/src/egl/drivers/dri2/platform_x11.c
index 08cbf2d..931ee51 100644
--- a/src/egl/drivers/dri2/platform_x11.c
+++ b/src/egl/drivers/dri2/platform_x11.c
@@ -472,6 +472,8 @@ dri2_x11_get_buffers(__DRIdrawable * driDrawable,
                                            dri2_surf->drawable,
                                            count, count, attachments);
    reply = xcb_dri2_get_buffers_reply (dri2_dpy->conn, cookie, NULL);
+   if (reply == NULL)
+      return NULL;
    buffers = xcb_dri2_get_buffers_buffers (reply);
    if (buffers == NULL)
       return NULL;

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