From 1d067b9148986e3460bcfe3ee718d27e8c0dc088 Mon Sep 17 00:00:00 2001
From: twinaphex <libretro@gmail.com>
Date: Fri, 15 Nov 2013 01:19:54 +0100
Subject: [PATCH] (V4L2) Check if raw_framebuffer_cb is not NULL

---
 camera/video4linux2.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/camera/video4linux2.c b/camera/video4linux2.c
index 27e4441c9f..4b49291d9a 100644
--- a/camera/video4linux2.c
+++ b/camera/video4linux2.c
@@ -492,7 +492,8 @@ static bool v4l_poll(void *data, retro_camera_frame_raw_framebuffer_t frame_raw_
 
    if (preprocess_image(data))
    {
-      frame_raw_cb(buffer_output, v4l->width, v4l->height, v4l->width);
+      if (frame_raw_cb != NULL)
+         frame_raw_cb(buffer_output, v4l->width, v4l->height, v4l->width);
       return true;
    }
    else