Re:

Saravana
2001-08-16T12:18:47Z

> 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.. ?
sarvana