[dpdk-stable] [dpdk-dev] [PATCH] vfio: fix resource leak when mapping fails
Yunjian Wang
yunjian.wang at foxmail.com
Sun Jun 21 11:07:37 CEST 2020
Currently, only the 'vfio_dev_fd' is closed in failure path, so
some resources are not released(such as 'vfio_group_fd'). The
rte_vfio_release_device() should be used to avoid this problem.
Fixes: 33604c31354a ("vfio: refactor PCI BAR mapping")
Cc: stable at dpdk.org
Signed-off-by: Yunjian Wang <yunjian.wang at foxmail.com>
---
drivers/bus/pci/linux/pci_vfio.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/bus/pci/linux/pci_vfio.c b/drivers/bus/pci/linux/pci_vfio.c
index 64cd84a68..c87373b90 100644
--- a/drivers/bus/pci/linux/pci_vfio.c
+++ b/drivers/bus/pci/linux/pci_vfio.c
@@ -789,7 +789,8 @@ pci_vfio_map_resource_primary(struct rte_pci_device *dev)
err_vfio_res:
rte_free(vfio_res);
err_vfio_dev_fd:
- close(vfio_dev_fd);
+ rte_vfio_release_device(rte_pci_get_sysfs_path(),
+ pci_addr, vfio_dev_fd);
return -1;
}
@@ -857,7 +858,8 @@ pci_vfio_map_resource_secondary(struct rte_pci_device *dev)
return 0;
err_vfio_dev_fd:
- close(vfio_dev_fd);
+ rte_vfio_release_device(rte_pci_get_sysfs_path(),
+ pci_addr, vfio_dev_fd);
return -1;
}
--
2.18.1
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