Messages in this thread | | | From | "Saravana" <> | Date | Thu, 16 Aug 2001 16:01:08 IST+530 | Subject | Re: |
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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.. ? sarvana - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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