From cd8fd4b7886e65e89e29c309bf5145bc31c909ab Mon Sep 17 00:00:00 2001
From: wm4 <wm4@nowhere>
Date: Fri, 8 Nov 2019 18:56:57 +0100
Subject: vo_gpu: context_x11egl: check eglGetConfigAttrib() for errors

Not sure why it assumes that it always succeeds (although generally it
won't fail).
---
 video/out/opengl/context_x11egl.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/video/out/opengl/context_x11egl.c b/video/out/opengl/context_x11egl.c
index b1aa0690d7..f0cfe378f1 100644
--- a/video/out/opengl/context_x11egl.c
+++ b/video/out/opengl/context_x11egl.c
@@ -125,7 +125,10 @@ static bool mpegl_init(struct ra_ctx *ctx)
         goto uninit;
 
     int vID, n;
-    eglGetConfigAttrib(p->egl_display, config, EGL_NATIVE_VISUAL_ID, &vID);
+    if (!eglGetConfigAttrib(p->egl_display, config, EGL_NATIVE_VISUAL_ID, &vID)) {
+        MP_FATAL(ctx, "Getting X visual ID failed!\n");
+        goto uninit;
+    }
     MP_VERBOSE(ctx, "chose visual 0x%x\n", vID);
     XVisualInfo template = {.visualid = vID};
     XVisualInfo *vi = XGetVisualInfo(vo->x11->display, VisualIDMask, &template, &n);
-- 
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