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Merge pull request #11054 from MabinGo/checkfileoper1
Add the file close operation before function return to advoid resource leaking
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commit
82aa950f4e
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@ -55,13 +55,14 @@ func ProbeFsType(device string) (string, error) {
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if err != nil {
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if err != nil {
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return "", err
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return "", err
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}
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}
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defer file.Close()
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buffer := make([]byte, maxLen)
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buffer := make([]byte, maxLen)
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l, err := file.Read(buffer)
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l, err := file.Read(buffer)
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if err != nil {
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if err != nil {
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return "", err
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return "", err
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}
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}
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file.Close()
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if uint64(l) != maxLen {
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if uint64(l) != maxLen {
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return "", fmt.Errorf("unable to detect filesystem type of %s, short read", device)
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return "", fmt.Errorf("unable to detect filesystem type of %s, short read", device)
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}
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}
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