Add the file close operation before function return to advoid resource leaking

Signed-off-by: Mabin <bin.ma@huawei.com> Upstream-commit: b5eeab6e061d183be050143426dd7fd774c89a20 Component: engine
2015-02-28 00:24:41 +08:00
parent 2d06b1cf02
commit 0fd505f748
1 changed files with 2 additions and 1 deletions
@@ -55,13 +55,14 @@ func ProbeFsType(device string) (string, error) {
 	if err != nil {
 		return "", err
 	}
+	defer file.Close()

 	buffer := make([]byte, maxLen)
 	l, err := file.Read(buffer)
 	if err != nil {
 		return "", err
 	}
-	file.Close()
+
 	if uint64(l) != maxLen {
 		return "", fmt.Errorf("unable to detect filesystem type of %s, short read", device)
 	}