commit 646f24dcaa5ed0b785b61022ced1b298efd7fd8b
author Philipp Wiesemann <philipp.wiesemann@arcor.de> Sun Jun 11 22:30:24 2017 +0200
committer Philipp Wiesemann <philipp.wiesemann@arcor.de> Sun Jun 11 22:30:24 2017 +0200
tree 0878818c6af1980ad549b128b5a85729678f1c4c
parent c49ef40ede10956b701bd4964e0c467498eec8ea

directfb: Fixed crash if creating renderer.

SDL_GetWindowWMInfo() currently expects SDL to be 2.0.6 but SDL is still 2.0.5.

src/video/directfb/SDL_DirectFB_render.c

diff --git a/src/video/directfb/SDL_DirectFB_render.c b/src/video/directfb/SDL_DirectFB_render.c
index abece80..4280d04 100644
--- a/src/video/directfb/SDL_DirectFB_render.c
+++ b/src/video/directfb/SDL_DirectFB_render.c
@@ -217,7 +217,9 @@
     SDL_memset(&wm_info, 0, sizeof(SDL_SysWMinfo));
 
     SDL_VERSION(&wm_info.version);
-    SDL_GetWindowWMInfo(window, &wm_info);
+    if (!SDL_GetWindowWMInfo(window, &wm_info)) {
+        return NULL;
+    }
 
     return wm_info.info.dfb.surface;
 }
@@ -228,7 +230,9 @@
     SDL_memset(&wm_info, 0, sizeof(SDL_SysWMinfo));
 
     SDL_VERSION(&wm_info.version);
-    SDL_GetWindowWMInfo(window, &wm_info);
+    if (!SDL_GetWindowWMInfo(window, &wm_info)) {
+        return NULL;
+    }
 
     return wm_info.info.dfb.window;
 }
@@ -356,6 +360,10 @@
     DirectFB_RenderData *data = NULL;
     DFBSurfaceCapabilities scaps;
 
+    if (!winsurf) {
+        return NULL;
+    }
+
     SDL_DFB_ALLOC_CLEAR(renderer, sizeof(*renderer));
     SDL_DFB_ALLOC_CLEAR(data, sizeof(*data));