[dpdk-dev] [PATCH v2] vfio: fix mem leak when unmapping resource

wangyunjian wangyunjian at huawei.com
Fri Sep 11 12:57:42 CEST 2020


From: Yunjian Wang <wangyunjian at huawei.com>

The 'vfio_res' is not freed when unmapping resource by primary process.
This leads to memory leak.

Fixes: ab53203e194b ("vfio: enable unmapping resource for secondary")
Cc: stable at dpdk.org

Signed-off-by: Yunjian Wang <wangyunjian at huawei.com>
---
v2:
   Update email address
---
 drivers/bus/pci/linux/pci_vfio.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/bus/pci/linux/pci_vfio.c b/drivers/bus/pci/linux/pci_vfio.c
index c15ed3bad..91131ce6a 100644
--- a/drivers/bus/pci/linux/pci_vfio.c
+++ b/drivers/bus/pci/linux/pci_vfio.c
@@ -1003,7 +1003,7 @@ pci_vfio_unmap_resource_primary(struct rte_pci_device *dev)
 	}
 
 	TAILQ_REMOVE(vfio_res_list, vfio_res, next);
-
+	rte_free(vfio_res);
 	return 0;
 }
 
-- 
2.23.0



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