[libvirt] [PATCH for 6.0.0] vircgroupv2devices: free BPF map when replacing with new one

[Pavel Hrdina]

This leaks the FD of BPF map which means it will not be freed.

Signed-off-by: Pavel Hrdina <phrdina at redhat.com>
---
 src/util/vircgroupv2devices.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/util/vircgroupv2devices.c b/src/util/vircgroupv2devices.c
index 402ce3f86f..445f9c53fc 100644
--- a/src/util/vircgroupv2devices.c
+++ b/src/util/vircgroupv2devices.c
@@ -311,6 +311,11 @@ virCgroupV2DevicesAttachProg(virCgroupPtr group,
         VIR_FORCE_CLOSE(group->unified.devices.progfd);
     }
 
+    if (group->unified.devices.mapfd > 0) {
+        VIR_DEBUG("Closing existing map that was replaced by new one.");
+        VIR_FORCE_CLOSE(group->unified.devices.mapfd);
+    }
+
     group->unified.devices.progfd = progfd;
     group->unified.devices.mapfd = mapfd;
     group->unified.devices.max = max;
-- 
2.24.1