Close file r.log after used to release resources.

Vanient · Vanient · commit bf24fb0cad7d · 2019-06-04T06:41:38.000+08:00
Signed-off-by: Danni Xia &lt;xiadanni1@huawei.com&gt;
diff --git a/runtime/v1/linux/proc/utils.go b/runtime/v1/linux/proc/utils.go
@@ -56,6 +56,7 @@ func getLastRuntimeError(r *runc.Runc) (string, error) {
 	if err != nil {
 		return "", err
 	}
+	defer f.Close()
 
 	var (
 		errMsg string

Original file line number	Diff line number	Diff line change
`@@ -56,6 +56,7 @@ func getLastRuntimeError(r *runc.Runc) (string, error) {`
`56`	`56`	`if err != nil {`
`57`	`57`	`return "", err`
`58`	`58`	`}`
	`59`	`+ defer f.Close()`
`59`	`60`
`60`	`61`	`var (`
`61`	`62`	`errMsg string`