ui/gtk: Check if fence_fd is equal to or greater than 0

[mirror_qemu.git] / ui / gtk-gl-area.c

diff --git a/ui/gtk-gl-area.c b/ui/gtk-gl-area.c
index 4fff957c3f08028337a7db4e43531fad9eefe10c..b490727402735be37307ed37523ee0919a5a9b59 100644 (file)
--- a/ui/gtk-gl-area.c
+++ b/ui/gtk-gl-area.c
@@ -86,7 +86,7 @@ void gd_gl_area_draw(VirtualConsole *vc)
 #ifdef CONFIG_GBM
         if (dmabuf) {
             egl_dmabuf_create_fence(dmabuf);
-            if (dmabuf->fence_fd > 0) {
+            if (dmabuf->fence_fd >= 0) {
                 qemu_set_fd_handler(dmabuf->fence_fd, gd_hw_gl_flushed, NULL, vc);
                 return;
             }