opengles2: Fix static analysis warning.
Not clear if this could ever dereference NULL in real life, but better safe
than sorry!
diff --git a/src/render/opengles2/SDL_render_gles2.c b/src/render/opengles2/SDL_render_gles2.c
index b77779d..028227f 100644
--- a/src/render/opengles2/SDL_render_gles2.c
+++ b/src/render/opengles2/SDL_render_gles2.c
@@ -529,8 +529,10 @@
}
data->glDeleteProgram(data->program_cache.tail->id);
data->program_cache.tail = data->program_cache.tail->prev;
- SDL_free(data->program_cache.tail->next);
- data->program_cache.tail->next = NULL;
+ if (data->program_cache.tail != NULL) {
+ SDL_free(data->program_cache.tail->next);
+ data->program_cache.tail->next = NULL;
+ }
--data->program_cache.count;
}
return entry;
