From mboxrd@z Thu Jan 1 00:00:00 1970
Return-Path: <dev-bounces@dpdk.org>
Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124])
by inbox.dpdk.org (Postfix) with ESMTP id 47DA245CB8;
Sat, 9 Nov 2024 02:48:47 +0100 (CET)
Received: from mails.dpdk.org (localhost [127.0.0.1])
by mails.dpdk.org (Postfix) with ESMTP id 7904A43437;
Sat, 9 Nov 2024 02:48:31 +0100 (CET)
Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182])
by mails.dpdk.org (Postfix) with ESMTP id 9F48E43427
for <dev@dpdk.org>; Sat, 9 Nov 2024 02:48:24 +0100 (CET)
Received: by linux.microsoft.com (Postfix, from userid 1213)
id C01972130839; Fri, 8 Nov 2024 17:48:23 -0800 (PST)
DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com C01972130839
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com;
s=default; t=1731116903;
bh=KDbmZ1tLCypn72jfOKfXmfq0olYgWquOnnjqMRW4Rsk=;
h=From:To:Cc:Subject:Date:In-Reply-To:References:From;
b=AbjwsRENbn7gQvdrgIoedSvVUMLYsR+XExKqvqHzcA/HIb6frrjdz6c6Z+2FJ4RGS
xDY0nc7SBmU9bUyiGpTu5LVUePO6WgMwmOeF9GaNtJLqYEV+4Ma24X9gulXBly66tg
uEtgqdh6yJWiuyvubG3ofrp7LXkywXOe4+0aotgI=
From: Andre Muezerie <andremue@linux.microsoft.com>
To: dev@dpdk.org
Cc: Konstantin Ananyev <konstantin.ananyev@huawei.com>
Subject: [PATCH v6 03/20] eal/common: remove use of VLAs
Date: Fri, 8 Nov 2024 17:47:55 -0800
Message-Id: <1731116892-17109-4-git-send-email-andremue@linux.microsoft.com>
X-Mailer: git-send-email 1.8.3.1
In-Reply-To: <1731116892-17109-1-git-send-email-andremue@linux.microsoft.com>
References: <1713397319-26135-1-git-send-email-roretzla@linux.microsoft.com>
<1731116892-17109-1-git-send-email-andremue@linux.microsoft.com>
X-BeenThere: dev@dpdk.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: DPDK patches and discussions <dev.dpdk.org>
List-Unsubscribe: <https://mails.dpdk.org/options/dev>,
<mailto:dev-request@dpdk.org?subject=unsubscribe>
List-Archive: <http://mails.dpdk.org/archives/dev/>
List-Post: <mailto:dev@dpdk.org>
List-Help: <mailto:dev-request@dpdk.org?subject=help>
List-Subscribe: <https://mails.dpdk.org/listinfo/dev>,
<mailto:dev-request@dpdk.org?subject=subscribe>
Errors-To: dev-bounces@dpdk.org
From: Konstantin Ananyev <konstantin.ananyev@huawei.com>
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 <konstantin.ananyev@huawei.com>
---
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 d24093937c..201973c5db 100644
--- a/lib/eal/common/eal_common_proc.c
+++ b/lib/eal/common/eal_common_proc.c
@@ -692,7 +692,8 @@ send_msg(const char *dst_path, struct rte_mp_msg *msg, int type)
struct sockaddr_un dst;
struct mp_msg_internal m;
int fd_size = msg->num_fds * sizeof(int);
- char control[CMSG_SPACE(fd_size)];
+ const 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 @@ send_msg(const char *dst_path, struct rte_mp_msg *msg, int type)
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);
--
2.34.1