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sorry, I committed an old file.

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This commit is contained in:
Shirou WAKAYAMA 2014-09-22 16:40:07 +09:00
parent 9dbd4898b2
commit 9a928183a7
1 changed files with 4 additions and 4 deletions
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8
disk_linux.go
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@ -99,13 +99,13 @@ func DiskIOCounters() (map[string]DiskIOCountersStat, error) {
return ret, nil
}
func GetDiskSerialNumber(name string) (string, error) {
func GetDiskSerialNumber(name string) string {
n := fmt.Sprintf("--name=%s", name)
out, err := exec.Command("/sbin/udevadm", "info", "--query=property", n).Output()
// does not return error, just an empty string
if err != nil {
return "", nil
return ""
}
lines := strings.Split(string(out), "\n")
for _, line := range lines {
@ -114,7 +114,7 @@ func GetDiskSerialNumber(name string) (string, error) {
// only get ID_SERIAL, not ID_SERIAL_SHORT
continue
}
return values[1], nil
return values[1]
}
return "", nil
return ""
}