From d6de1f44a0cdcc739d3b319b5f102e1733e5b4e3 Mon Sep 17 00:00:00 2001 From: Chia-I Wu Date: Thu, 14 Oct 2010 17:13:36 +0800 Subject: [PATCH] st/egl: Do not finish a fence that is NULL. i915g would dereference the NULL pointer. --- src/gallium/state_trackers/egl/common/egl_g3d_api.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/src/gallium/state_trackers/egl/common/egl_g3d_api.c b/src/gallium/state_trackers/egl/common/egl_g3d_api.c index c0164daf9c1..3bde39737ba 100644 --- a/src/gallium/state_trackers/egl/common/egl_g3d_api.c +++ b/src/gallium/state_trackers/egl/common/egl_g3d_api.c @@ -609,8 +609,10 @@ egl_g3d_wait_client(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx) gctx->stctxi->flush(gctx->stctxi, PIPE_FLUSH_RENDER_CACHE | PIPE_FLUSH_FRAME, &fence); - screen->fence_finish(screen, fence, 0); - screen->fence_reference(screen, &fence, NULL); + if (fence) { + screen->fence_finish(screen, fence, 0); + screen->fence_reference(screen, &fence, NULL); + } return EGL_TRUE; } -- 2.30.2