Re: char driver error

[Manohar Vanga <manohar.vanga@xxxxxxxxx>]

This line is incorrect. You need to learn how kmalloc (or any *alloc for that matter) works because it seems like you don't realise what is happening with this statement.

memory_buffer = kmalloc(1, GFP_KERNEL);

On Mon, May 9, 2011 at 1:26 PM, Aravind Vijayan <aravind1123@xxxxxxxxx> wrote:

Hi all,
      Let me begin this post with thanx all to whom help me on
previous problem.I have completed jobs such as
writing,making,inserting the  module.

i create a character special file using mknod in /dev directory.

i try to write data to my file by" echo -n "abcd" > /dev/memory "

and when i try to read from that file i get  the last char was written
to that file that is "d"

here is my code:http://pastebin.com/9YsJetek

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-- 
/manohar
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