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 <[email protected]>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 > > _______________________________________________ > Kernelnewbies mailing list > [email protected] > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies > -- /manohar
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