设备属性权限致使的编译错误

先记录下来，后续研究缘由。linux   static DEVICE_ATTR(debug_mesg, S_IRUGO | S_IWUGO, show_debug_mesg, store_debug_mesg);android 将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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