[dpdk-dev] [PATCH v3 1/2] eal/bsd: fix possible IOPL fd leak
Ilya Maximets
i.maximets at samsung.com
Fri Nov 23 16:39:19 CET 2018
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 at dpdk.org
Signed-off-by: Ilya Maximets <i.maximets at samsung.com>
---
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 508cbc46f..b8152a75c 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 */
--
2.17.1
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