From ba90c4afaf2b8981e316d8109a730870a7378e83 Mon Sep 17 00:00:00 2001
From: Alcaro <floating@muncher.se>
Date: Fri, 18 Mar 2016 17:18:34 +0100
Subject: [PATCH] Fix some use-after-free holes.

---
 gfx/drivers_context/x_ctx.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/gfx/drivers_context/x_ctx.c b/gfx/drivers_context/x_ctx.c
index 331660deb3..729301e8c5 100644
--- a/gfx/drivers_context/x_ctx.c
+++ b/gfx/drivers_context/x_ctx.c
@@ -409,7 +409,8 @@ static void *gfx_ctx_x_init(void *data)
    return x;
 
 error:
-   gfx_ctx_x_destroy_resources(x);
+   if (x)
+      gfx_ctx_x_destroy_resources(x);
 
    if (x)
       free(x);
@@ -729,6 +730,7 @@ static bool gfx_ctx_x_set_video_mode(void *data,
    XSetErrorHandler(old_handler);
 
    XFree(vi);
+   vi = NULL;
 
    if (!x11_input_ctx_new(true_full))
       goto error;