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eal/bsd: fix possible IOPL fd leak

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If rte_eal_iopl_init() will be called more than once we'll leak
the file descriptor.

Fixes: b46fe31862 ("eal/bsd: fix virtio on FreeBSD")
Cc: stable@dpdk.org

Signed-off-by: Ilya Maximets <i.maximets@samsung.com>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
This commit is contained in:
Ilya Maximets 2018-11-23 18:39:19 +03:00 committed by Thomas Monjalon
parent 8747682a69
commit 9e8b90fc6d
1 changed files with 4 additions and 2 deletions
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6
lib/librte_eal/bsdapp/eal/eal.c
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@ -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 */