From 9e8b90fc6de98989583c9468769e5898bf6e9e0d Mon Sep 17 00:00:00 2001 From: Ilya Maximets Date: Fri, 23 Nov 2018 18:39:19 +0300 Subject: [PATCH] eal/bsd: fix possible IOPL fd leak If rte_eal_iopl_init() will be called more than once we'll leak the file descriptor. Fixes: b46fe31862ec ("eal/bsd: fix virtio on FreeBSD") Cc: stable@dpdk.org Signed-off-by: Ilya Maximets Reviewed-by: Maxime Coquelin --- lib/librte_eal/bsdapp/eal/eal.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/lib/librte_eal/bsdapp/eal/eal.c b/lib/librte_eal/bsdapp/eal/eal.c index 508cbc46fd..b8152a75cd 100644 --- a/lib/librte_eal/bsdapp/eal/eal.c +++ b/lib/librte_eal/bsdapp/eal/eal.c @@ -556,9 +556,11 @@ int rte_eal_has_hugepages(void) int rte_eal_iopl_init(void) { - static int fd; + static int fd = -1; + + if (fd < 0) + fd = open("/dev/io", O_RDWR); - fd = open("/dev/io", O_RDWR); if (fd < 0) return -1; /* keep fd open for iopl */ -- 2.20.1