Lock private while populatingprivate

1 files changed, 6 insertions, 2 deletions

diff --git a/renderutil/cache.c b/renderutil/cache.c
index 787fc99..bb7225b 100644
--- a/renderutil/cache.c
+++ b/renderutil/cache.c
@@ -144,11 +144,14 @@ find_display (xcb_connection_t *c)
     /*
      * get private
      */
-    info = xcb_private_get(c, private_id);
+    info = xcb_private_get_and_lock(c, private_id);
     if (!info)
 	return NULL;
-    if (info->version)
+    if (info->version) {
+	/* Already populated */
+	xcb_private_unlock(info);
 	return info;
+    }
     
     version_cookie = xcb_render_query_version(c, 0, 10);
     formats_cookie = xcb_render_query_pict_formats(c);
@@ -168,6 +171,7 @@ find_display (xcb_connection_t *c)
     else if (info->version->major_version == 0 && info->version->minor_version < 6)
 	info->formats->num_subpixel = 0;
 
+    xcb_private_unlock(info);
     return info;
 }