From: Kuba Kozak <kubax.ko...@intel.com>
Add file descriptor value check before calling close() function.
Coverity issue: 141297
Fixes: 811b6b25060f ("vfio: fix file descriptor leak in multi-process")
Cc: patr...@patrickmacarthur.net
Cc: sta...@dpdk.org
Signed-off-by: Kuba Kozak <kubax.ko...@intel.com>
Acked-by: Anatoly Burakov <anatoly.bura...@intel.com>
---
v2:
Change check condition
---
lib/librte_eal/linuxapp/eal/eal_vfio_mp_sync.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/lib/librte_eal/linuxapp/eal/eal_vfio_mp_sync.c
b/lib/librte_eal/linuxapp/eal/eal_vfio_mp_sync.c
index 7e8095c..537beeb 100644
--- a/lib/librte_eal/linuxapp/eal/eal_vfio_mp_sync.c
+++ b/lib/librte_eal/linuxapp/eal/eal_vfio_mp_sync.c
@@ -301,7 +301,8 @@ vfio_mp_sync_thread(void __rte_unused * arg)
vfio_mp_sync_send_request(conn_sock,
SOCKET_ERR);
else
vfio_mp_sync_send_fd(conn_sock, fd);
- close(fd);
+ if (fd >= 0)
+ close(fd);
break;
case SOCKET_REQ_GROUP:
/* wait for group number */
--
2.7.4
