Fixed slice out of bound bug

main.go

@@ -4,6 +4,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"os"
+	"strings"
 
 	smart "imuslab.com/bokofs/bokofsd/mod/middleware/SMART"
 )
@@ -22,7 +23,7 @@ func main() {
 		if deviceFile.IsDir() {
 			continue
 		}
-		if deviceFile.Name()[:2] == "sd" || deviceFile.Name()[:4] == "nvme" {
+		if strings.HasPrefix(deviceFile.Name(), "sd") || strings.HasPrefix(deviceFile.Name(), "nvme") {
 			fullPath := "/dev/" + deviceFile.Name()
 			fmt.Println(fullPath)