From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 4D6B943EA8; Thu, 18 Apr 2024 22:03:09 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id AE73740648; Thu, 18 Apr 2024 22:02:50 +0200 (CEST) Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by mails.dpdk.org (Postfix) with ESMTP id 255B0402CC for ; Thu, 18 Apr 2024 22:02:45 +0200 (CEST) Received: by linux.microsoft.com (Postfix, from userid 1086) id 100B120FD927; Thu, 18 Apr 2024 13:02:43 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 100B120FD927 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1713470564; bh=sGl/j0cOzdFLFA0M1paKTBM5eS+0nHknadZTPj+pi88=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=M7H6MuP9Wy36R25FK/V1jVT5gtr7EIMMNqWqLHugt9BJyoOFuJZq2fnkeXE9M2v8y qy3qjCoXFU8oVGg3DLpdap9pmohFbyV1qXGi6bQDkS+jZ13mBOWYJCS41sIFL7+ote 5gkeuaY1IszXrtm4Mb2c05eugQS2jF6A8bisYIOo= From: Tyler Retzlaff To: dev@dpdk.org Cc: =?UTF-8?q?Morten=20Br=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 v2 03/19] eal/common: remove use of VLAs Date: Thu, 18 Apr 2024 13:02:26 -0700 Message-Id: <1713470562-17415-4-git-send-email-roretzla@linux.microsoft.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1713470562-17415-1-git-send-email-roretzla@linux.microsoft.com> References: <1713397319-26135-1-git-send-email-roretzla@linux.microsoft.com> <1713470562-17415-1-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 --- 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); -- 1.8.3.1