From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751108AbdCNM0s (ORCPT ); Tue, 14 Mar 2017 08:26:48 -0400 Received: from mga07.intel.com ([134.134.136.100]:24256 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751072AbdCNM0q (ORCPT ); Tue, 14 Mar 2017 08:26:46 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.36,163,1486454400"; d="scan'208";a="75926243" Date: Tue, 14 Mar 2017 20:34:51 +0800 From: kbuild test robot To: Gerd Hoffmann Cc: kbuild-all@01.org, Daniel Vetter , David Airlie , dri-devel@lists.freedesktop.org, virtualization@lists.linux-foundation.org, linux-kernel@vger.kernel.org Subject: [PATCH] drm: virtio: fix eno.cocci warnings Message-ID: <20170314123451.GA51889@lkp-sb04.lkp.intel.com> References: <201703142048.yRK7v1yg%fengguang.wu@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <201703142048.yRK7v1yg%fengguang.wu@intel.com> User-Agent: Mutt/1.5.23 (2014-03-12) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: fengguang.wu@intel.com X-SA-Exim-Scanned: No (on bee); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org drivers/gpu/drm/virtio/virtgpu_vq.c:100:5-11: ERROR: allocation function on line 99 returns NULL not ERR_PTR on failure The various basic memory allocation functions don't return ERR_PTR Generated by: scripts/coccinelle/null/eno.cocci Signed-off-by: Fengguang Wu --- virtgpu_vq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/gpu/drm/virtio/virtgpu_vq.c +++ b/drivers/gpu/drm/virtio/virtgpu_vq.c @@ -97,7 +97,7 @@ virtio_gpu_get_vbuf(struct virtio_gpu_de struct virtio_gpu_vbuffer *vbuf; vbuf = kmem_cache_alloc(vgdev->vbufs, GFP_KERNEL); - if (IS_ERR(vbuf)) + if (!vbuf) return ERR_CAST(vbuf); memset(vbuf, 0, VBUFFER_SIZE);