char driver error

[Manohar Vanga]

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 at gmail.com>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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