From patchwork Mon May 6 18:18:35 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tyler Retzlaff X-Patchwork-Id: 139942 X-Patchwork-Delegate: thomas@monjalon.net Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 6D3F643F5C; Mon, 6 May 2024 20:19:05 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 0F6DD40A70; Mon, 6 May 2024 20:18:58 +0200 (CEST) Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by mails.dpdk.org (Postfix) with ESMTP id AC21840684 for ; Mon, 6 May 2024 20:18:53 +0200 (CEST) Received: by linux.microsoft.com (Postfix, from userid 1086) id E1B2720B2C87; Mon, 6 May 2024 11:18:52 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com E1B2720B2C87 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1715019532; bh=sGl/j0cOzdFLFA0M1paKTBM5eS+0nHknadZTPj+pi88=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=UHahwQ8JqZj69ffc6Y+MKcJLxM4boza5aLiIUnCt9LbzK4gjyrHExm+P8GNiYOzdQ 0ZRdf4OgG+bD5dS+pveNSfdtxjxiytGJvxKbNtbICchW9SR1GzzzvHEvOKvgLWwTwP A8bJbXesmzamkB1x9eWPoJr+NID9eBENoMHOwZLs= From: Tyler Retzlaff To: dev@dpdk.org Cc: =?utf-8?q?Morten_Br=C3=B8rup?= , Akhil Goyal , Aman Singh , Anatoly Burakov , Andrew Rybchenko , Bruce Richardson , Chengwen Feng , Dariusz Sosnowski , Dmitry Kozlyuk , Fan Zhang , Ferruh Yigit , Harman Kalra , Harry van Haaren , Honnappa Nagarahalli , Jiayu Hu , Jingjing Wu , Kevin Laatz , Konstantin Ananyev , Matan Azrad , Ori Kam , Pallavi Kadam , Reshma Pattan , Sameh Gobriel , Suanming Mou , Thomas Monjalon , Tyler Retzlaff , Viacheslav Ovsiienko , Vladimir Medvedkin , Volodymyr Fialko , Yipeng Wang , Konstantin Ananyev Subject: [PATCH v3 03/19] eal/common: remove use of VLAs Date: Mon, 6 May 2024 11:18:35 -0700 Message-Id: <1715019531-22796-4-git-send-email-roretzla@linux.microsoft.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1715019531-22796-1-git-send-email-roretzla@linux.microsoft.com> References: <1713397319-26135-1-git-send-email-roretzla@linux.microsoft.com> <1715019531-22796-1-git-send-email-roretzla@linux.microsoft.com> X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org From: Konstantin Ananyev 1) ../lib/eal/common/eal_common_proc.c:695:15 : warning: variable length array used As msg->num_fds should not exceed RTE_MP_MAX_FD_NUM, replaced it with fixed size array. Signed-off-by: Konstantin Ananyev Acked-by: Stephen Hemminger --- lib/eal/common/eal_common_proc.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/lib/eal/common/eal_common_proc.c b/lib/eal/common/eal_common_proc.c index d240939..f21ce60 100644 --- a/lib/eal/common/eal_common_proc.c +++ b/lib/eal/common/eal_common_proc.c @@ -692,7 +692,8 @@ enum async_action { struct sockaddr_un dst; struct mp_msg_internal m; int fd_size = msg->num_fds * sizeof(int); - char control[CMSG_SPACE(fd_size)]; + int32_t control_sz = CMSG_SPACE(fd_size); + char control[CMSG_SPACE(sizeof(msg->fds))]; m.type = type; memcpy(&m.msg, msg, sizeof(*msg)); @@ -712,7 +713,7 @@ enum async_action { msgh.msg_iov = &iov; msgh.msg_iovlen = 1; msgh.msg_control = control; - msgh.msg_controllen = sizeof(control); + msgh.msg_controllen = control_sz; cmsg = CMSG_FIRSTHDR(&msgh); cmsg->cmsg_len = CMSG_LEN(fd_size);