From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1E5F5C76195 for ; Fri, 19 Jul 2019 14:32:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0200420873 for ; Fri, 19 Jul 2019 14:32:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729749AbfGSOc2 (ORCPT ); Fri, 19 Jul 2019 10:32:28 -0400 Received: from mx2.suse.de ([195.135.220.15]:41204 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727717AbfGSOc0 (ORCPT ); Fri, 19 Jul 2019 10:32:26 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 276D3B005; Fri, 19 Jul 2019 14:32:25 +0000 (UTC) From: Luis Henriques To: Ilya Dryomov , Jeff Layton , Sage Weil Cc: ceph-devel@vger.kernel.org, linux-kernel@vger.kernel.org, Luis Henriques Subject: [PATCH 1/4] libceph: allow ceph_buffer_put() to receive a NULL ceph_buffer Date: Fri, 19 Jul 2019 15:32:19 +0100 Message-Id: <20190719143222.16058-2-lhenriques@suse.com> In-Reply-To: <20190719143222.16058-1-lhenriques@suse.com> References: <20190719143222.16058-1-lhenriques@suse.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Luis Henriques --- include/linux/ceph/buffer.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/include/linux/ceph/buffer.h b/include/linux/ceph/buffer.h index 5e58bb29b1a3..11cdc7c60480 100644 --- a/include/linux/ceph/buffer.h +++ b/include/linux/ceph/buffer.h @@ -30,7 +30,8 @@ static inline struct ceph_buffer *ceph_buffer_get(struct ceph_buffer *b) static inline void ceph_buffer_put(struct ceph_buffer *b) { - kref_put(&b->kref, ceph_buffer_release); + if (b) + kref_put(&b->kref, ceph_buffer_release); } extern int ceph_decode_buffer(struct ceph_buffer **b, void **p, void *end);