From nobody Thu Dec 18 07:55:06 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 11833C07E8D for ; Tue, 15 Aug 2023 17:20:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238766AbjHORTp (ORCPT ); Tue, 15 Aug 2023 13:19:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57792 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238708AbjHORTN (ORCPT ); Tue, 15 Aug 2023 13:19:13 -0400 Received: from mgamail.intel.com (mgamail.intel.com [134.134.136.20]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 873C51BCB; Tue, 15 Aug 2023 10:19:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1692119952; x=1723655952; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=OkwU5NRmSECTN4n1WrNtc+Oy7aJ1i53jsdIQEUuY6OA=; b=KRLrusZukpGbWoiE6WzJZIIibWnBUgB+eY4j8Roxcw4NKwuQX6dtHigS ij+9dYLSnPFDoxEe+mUtk7rP+uBB5GR1SeT0YAOtl5b5UYB8bcCJ4fEnL x4Y6PoUWFt4Yyg2RcpB7s3OPmA9pOz0nj7PqQsV+uXlEPMzOzjjPfuwOd 2JRU3At0Ld4KrUYrD2hd2F9JnkItUSJfpb+ydQVJ0jKcJtiszIOcfPVeW o3tIhmj8O/PVUQD0fqJF84Ki0sXb2ApYpC7LarTPLufRjAI9K1now0/6N 1lCF8tGjHWTPPAl+R5kwTsBSQC4IEU9Uckh/+v4GOJYn4SMhE0pXnA9HE Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10803"; a="362488602" X-IronPort-AV: E=Sophos;i="6.01,175,1684825200"; d="scan'208";a="362488602" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Aug 2023 10:19:07 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10803"; a="848148975" X-IronPort-AV: E=Sophos;i="6.01,175,1684825200"; d="scan'208";a="848148975" Received: from ls.sc.intel.com (HELO localhost) ([172.25.112.31]) by fmsmga002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Aug 2023 10:19:05 -0700 From: isaku.yamahata@intel.com To: kvm@vger.kernel.org, linux-kernel@vger.kernel.org Cc: isaku.yamahata@intel.com, isaku.yamahata@gmail.com, Michael Roth , Paolo Bonzini , Sean Christopherson , erdemaktas@google.com, Sagi Shahar , David Matlack , Kai Huang , Zhi Wang , chen.bo@intel.com, linux-coco@lists.linux.dev, Chao Peng , Ackerley Tng , Vishal Annapurve , Yuan Yao , Jarkko Sakkinen , Xu Yilun , Quentin Perret , wei.w.wang@intel.com, Fuad Tabba Subject: [PATCH 3/8] KVM: gmem: Fix kvm_gmem_issue_arch_invalidate() Date: Tue, 15 Aug 2023 10:18:50 -0700 Message-Id: X-Mailer: git-send-email 2.25.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Isaku Yamahata __filemap_get_folio() can return error. Use IS_ERR_OR_NULL. Signed-off-by: Isaku Yamahata --- virt/kvm/guest_mem.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/virt/kvm/guest_mem.c b/virt/kvm/guest_mem.c index c81d2bb9ae93..ed03f1d12172 100644 --- a/virt/kvm/guest_mem.c +++ b/virt/kvm/guest_mem.c @@ -53,7 +53,7 @@ static struct folio *kvm_gmem_get_folio(struct inode *ino= de, pgoff_t index) struct folio *folio; =20 folio =3D kvm_gmem_get_huge_folio(inode, index); - if (!folio) { + if (IS_ERR_OR_NULL(folio)) { folio =3D filemap_grab_folio(inode->i_mapping, index); if (!folio) return NULL; --=20 2.25.1