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egl/x11: don't crash if dri2_dpy->conn is NULL
authorEmil Velikov <emil.l.velikov@gmail.com>
Fri, 7 Aug 2015 18:20:48 +0000 (19:20 +0100)
committerEmil Velikov <emil.l.velikov@gmail.com>
Fri, 7 Aug 2015 18:22:27 +0000 (19:22 +0100)
Identical to commit 60e9c35b3a0(egl/x11: bail out if we cannot fetch
the xcb connection) but for the swrast codepath.

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
src/egl/drivers/dri2/platform_x11.c

index df08a8a..61e5b77 100644 (file)
@@ -1124,7 +1124,7 @@ dri2_initialize_x11_swrast(_EGLDriver *drv, _EGLDisplay *disp)
       dri2_dpy->screen = DefaultScreen(dpy);
    }
 
-   if (xcb_connection_has_error(dri2_dpy->conn)) {
+   if (!dri2_dpy->conn || xcb_connection_has_error(dri2_dpy->conn)) {
       _eglLog(_EGL_WARNING, "DRI2: xcb_connect failed");
       goto cleanup_dpy;
    }
@@ -1150,10 +1150,8 @@ dri2_initialize_x11_swrast(_EGLDriver *drv, _EGLDisplay *disp)
    if (!dri2_create_screen(disp))
       goto cleanup_driver;
 
-   if (dri2_dpy->conn) {
-      if (!dri2_x11_add_configs_for_visuals(dri2_dpy, disp))
-         goto cleanup_configs;
-   }
+   if (!dri2_x11_add_configs_for_visuals(dri2_dpy, disp))
+      goto cleanup_configs;
 
    /* Fill vtbl last to prevent accidentally calling virtual function during
     * initialization.