From fda45f4537b82ee4566e475367c78935da8cdc90 Mon Sep 17 00:00:00 2001
From: Hui Jin <jhuix0117@gmail.com>
Date: Fri, 26 Jul 2019 13:28:00 +0800
Subject: [PATCH] vo_d3d11/context: fix crash due to ctx->ra is null pointer
 access 'ctx->ra' is null pointer when d3d11 init failed before call
 'ra_d3d11_create' in 'd3d11_init'.

---
 video/out/d3d11/context.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/video/out/d3d11/context.c b/video/out/d3d11/context.c
index 82c7d162f7..3b0ab49812 100644
--- a/video/out/d3d11/context.c
+++ b/video/out/d3d11/context.c
@@ -161,14 +161,16 @@ static void d3d11_uninit(struct ra_ctx *ctx)
 {
     struct priv *p = ctx->priv;
 
-    ra_tex_free(ctx->ra, &p->backbuffer);
+    if (ctx->ra)
+        ra_tex_free(ctx->ra, &p->backbuffer);
     SAFE_RELEASE(p->swapchain);
     vo_w32_uninit(ctx->vo);
     SAFE_RELEASE(p->device);
 
     // Destory the RA last to prevent objects we hold from showing up in D3D's
     // leak checker
-    ctx->ra->fns->destroy(ctx->ra);
+    if (ctx->ra)
+        ctx->ra->fns->destroy(ctx->ra);
 }
 
 static const struct ra_swapchain_fns d3d11_swapchain = {