From patchwork Tue Feb 25 11:13:27 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vasant Hegde X-Patchwork-Id: 1244004 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 48Rbsy4gbKz9sPk for ; Tue, 25 Feb 2020 22:14:14 +1100 (AEDT) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=linux.vnet.ibm.com Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 48Rbsy1Rd0zDqT2 for ; Tue, 25 Feb 2020 22:14:14 +1100 (AEDT) X-Original-To: skiboot@lists.ozlabs.org Delivered-To: skiboot@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; spf=none (no SPF record) smtp.mailfrom=linux.vnet.ibm.com (client-ip=148.163.158.5; helo=mx0b-001b2d01.pphosted.com; envelope-from=hegdevasant@linux.vnet.ibm.com; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=linux.vnet.ibm.com Received: from mx0b-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 48Rbsf5Wv4zDqSV for ; Tue, 25 Feb 2020 22:13:58 +1100 (AEDT) Received: from pps.filterd (m0127361.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 01PBCOJj020810 for ; Tue, 25 Feb 2020 06:13:53 -0500 Received: from e06smtp07.uk.ibm.com (e06smtp07.uk.ibm.com [195.75.94.103]) by mx0a-001b2d01.pphosted.com with ESMTP id 2yb00aa95d-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Tue, 25 Feb 2020 06:13:53 -0500 Received: from localhost by e06smtp07.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Tue, 25 Feb 2020 11:13:47 -0000 Received: from d06av26.portsmouth.uk.ibm.com (d06av26.portsmouth.uk.ibm.com [9.149.105.62]) by b06avi18878370.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 01PBDkK330343516 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 25 Feb 2020 11:13:46 GMT Received: from d06av26.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 3DC5EAE055; Tue, 25 Feb 2020 11:13:46 +0000 (GMT) Received: from d06av26.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 40D4BAE059; Tue, 25 Feb 2020 11:13:45 +0000 (GMT) Received: from hegdevasant.in.ibm.com (unknown [9.193.108.153]) by d06av26.portsmouth.uk.ibm.com (Postfix) with ESMTP; Tue, 25 Feb 2020 11:13:45 +0000 (GMT) From: Vasant Hegde To: skiboot@lists.ozlabs.org Date: Tue, 25 Feb 2020 16:43:27 +0530 X-Mailer: git-send-email 2.21.1 MIME-Version: 1.0 X-TM-AS-GCONF: 00 x-cbid: 20022511-0028-0000-0000-000003DDCCE3 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 20022511-0029-0000-0000-000024A2E507 Message-Id: <20200225111328.25763-1-hegdevasant@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138, 18.0.572 definitions=2020-02-25_03:2020-02-21, 2020-02-25 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 priorityscore=1501 lowpriorityscore=0 clxscore=1015 impostorscore=0 suspectscore=1 adultscore=0 phishscore=0 mlxlogscore=887 malwarescore=0 mlxscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2001150001 definitions=main-2002250091 Subject: [Skiboot] [PATCH 1/2] list: Add list_add_after() X-BeenThere: skiboot@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Mailing list for skiboot development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: skiboot-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Skiboot" Signed-off-by: Vasant Hegde --- ccan/list/list.h | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/ccan/list/list.h b/ccan/list/list.h index fdeddeb4d..1d75dd92a 100644 --- a/ccan/list/list.h +++ b/ccan/list/list.h @@ -183,6 +183,25 @@ static inline void list_add_before(struct list_head *h, struct list_node *n, (void)list_debug(h); } +/** + * list_add_after - add an entry after another entry. + * @h: the list_head to add the node to (we use it for debug purposes, can be NULL) + * @n: the list_node to add to the list. + * @p: the list_node of the other entry + * + * The list_node does not need to be initialized; it will be overwritten. + */ +static inline void list_add_after(struct list_head *h, struct list_node *n, + struct list_node *p) +{ + n->next = p->next; + n->prev = p; + p->next = n; + n->next->prev = n; + if (h) + (void)list_debug(h); +} + /** * list_add_tail - add an entry at the end of a linked list. * @h: the list_head to add the node to