Re: kfree error oops

[Arjan van de Ven]

On Tue, 2005-01-11 at 00:23 -0800, selvakumar nagendran wrote:
> Hello linux-experts,
>      While I tried to free the memory I allocated
> using kfree, I received the following error:
>   I am working in kernel 2.4.28.
>   I have also attached the code. Can anyone help me
> regarding this? I have also checked for NULL pointer
> even though it is not necessary.
> 
> Thanks,
> selva
> -----------------------
> list_for_each(p,&rhash_table[i])
> {
> 	//printk("\n Printing details for my..");
> 
> 	my = list_entry(p, struct resource, res_list);
> 	if(my)
> 	{	
> 	printk("\n My is not null..");
> 	printk("\n%ld,",  my -> rid.fd);
> 	printk("%ld,",  my -> rid.inode);
> 	printk("%d,", my -> rid.ACCESS_TYPE);
>         list_del(&my -> res_list);
>         kfree(my);

this is not allowed in list_for_each,
you must use list_for_each_safe() instead.


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