libct: add a defer fd close in createDeviceNode

lifubang · lifubang · commit 52192a8e24cf · 2025-11-20T11:52:35.000Z
Signed-off-by: lifubang <lifubang@acmcoder.com> (cherry picked from commit 9a5e626) Signed-off-by: lifubang <lifubang@acmcoder.com>
diff --git a/libcontainer/rootfs_linux.go b/libcontainer/rootfs_linux.go
@@ -998,6 +998,8 @@ func createDeviceNode(rootfs string, node *devices.Device, bind bool) error {
 	if err != nil {
 		return fmt.Errorf("mkdir parent of device inode %q: %w", node.Path, err)
 	}
+	defer destDir.Close()
+
 	if bind {
 		return bindMountDeviceNode(destDir, destName, node)
 	}

Original file line number	Diff line number	Diff line change
`@@ -998,6 +998,8 @@ func createDeviceNode(rootfs string, node *devices.Device, bind bool) error {`
`998`	`998`	`if err != nil {`
`999`	`999`	`return fmt.Errorf("mkdir parent of device inode %q: %w", node.Path, err)`
`1000`	`1000`	`}`
	`1001`	`+ defer destDir.Close()`
	`1002`	`+`
`1001`	`1003`	`if bind {`
`1002`	`1004`	`return bindMountDeviceNode(destDir, destName, node)`
`1003`	`1005`	`}`