From: Chad Versace <chad.versace@intel.com>
Date: Wed, 6 May 2015 02:05:20 +0000 (-0700)
Subject: egl/dri2: Check return value of __DRI2fence::create_fence()
X-Git-Tag: android-x86-6.0-r1~10208
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=b0f410a2a05e046c31c32e169b9463cb6b4af8ae;p=android-x86%2Fexternal-mesa.git

egl/dri2: Check return value of __DRI2fence::create_fence()

If it returns NULL, then return early with an error.

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
---

diff --git a/src/egl/drivers/dri2/egl_dri2.c b/src/egl/drivers/dri2/egl_dri2.c
index 1e843ed8fd9..8ed1dda38a6 100644
--- a/src/egl/drivers/dri2/egl_dri2.c
+++ b/src/egl/drivers/dri2/egl_dri2.c
@@ -2232,6 +2232,13 @@ dri2_create_sync(_EGLDriver *drv, _EGLDisplay *dpy,
    switch (type) {
    case EGL_SYNC_FENCE_KHR:
       dri2_sync->fence = dri2_dpy->fence->create_fence(dri2_ctx->dri_context);
+      if (!dri2_sync->fence) {
+         /* Why did it fail? DRI doesn't return an error code, so we emit
+          * a generic EGL error that doesn't communicate user error. */
+         _eglError(EGL_BAD_ALLOC, "eglCreateSyncKHR");
+         free(dri2_sync);
+         return NULL;
+      }
       break;
 
    case EGL_SYNC_CL_EVENT_KHR: