From mboxrd@z Thu Jan 1 00:00:00 1970 From: chixiaobo Subject: [PATCH] set eventfd_link_misc.minor=MISC_DYNAMIC_MINOR Date: Tue, 4 Aug 2015 17:30:51 +0800 Message-ID: <1438680651-19940-1-git-send-email-xiaobo.chi@nokia.com> Cc: chixiaobo To: dev@dpdk.org Return-path: Received: from demumfd001.nsn-inter.net (demumfd001.nsn-inter.net [93.183.12.32]) by dpdk.org (Postfix) with ESMTP id 24EE5C350 for ; Tue, 4 Aug 2015 11:30:54 +0200 (CEST) Received: from demuprx017.emea.nsn-intra.net ([10.150.129.56]) by demumfd001.nsn-inter.net (8.15.1/8.15.1) with ESMTPS id t749UrHE024363 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Tue, 4 Aug 2015 09:30:53 GMT List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" For miscdevices, the major device_no is same, so the minor device_no should be set to ditinguish different misc devices; if not set the minor, it may fail while insmod due to the default minor value, 0, has been used by other miscdevice. MISC_DYNAMIC_MINOR means to let Linux kernel dynamically assign one minor devide number while loading. Signed-off-by: chixiaobo --- lib/librte_vhost/eventfd_link/eventfd_link.c | 1 + 1 file changed, 1 insertion(+) diff --git a/lib/librte_vhost/eventfd_link/eventfd_link.c b/lib/librte_vhost/eventfd_link/eventfd_link.c index 62c45c8..b023cdf 100644 --- a/lib/librte_vhost/eventfd_link/eventfd_link.c +++ b/lib/librte_vhost/eventfd_link/eventfd_link.c @@ -169,6 +169,7 @@ static const struct file_operations eventfd_link_fops = { static struct miscdevice eventfd_link_misc = { + .minor = MISC_DYNAMIC_MINOR, .name = "eventfd-link", .fops = &eventfd_link_fops, }; -- 1.9.4.msysgit.2