設備屬性權限致使的編譯錯誤

先記錄下來，後續研究緣由。linux   static DEVICE_ATTR(debug_mesg, S_IRUGO | S_IWUGO, show_debug_mesg, store_debug_mesg);android 將S_IWUGO改成S_IWUSR就行了。api   In file included from /home/android/work2/R20/LA.UM.6.6/LIN

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