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    > hi!
    > I am beginning learn to write a driver follow the
    > Book "Beginnng Linux programming(Second
    > Edition)".There is a example about char driver,I write
    > as that,but I can open device,but can't read from it.I
    > just copy some static data to user buffer as follow:
    > copy_to_user(buf, schar_buffer, count)

    just check out if u got any perms(rw) on the device.. ?
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      Last update: 2005-03-22 12:57    [W:0.034 / U:4.200 seconds]
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