Re: BUG in i2c_detach_client

[Andrew Morton <akpm@osdl.org>]

Andrew James Wade <ajwade@cpe00095b3131a0-cm0011ae8cd564.cpe.net.cable.rogers.com> wrote:
>
> On June 8, 2005 05:26 pm, Andrew Morton wrote:
>  > Were there no interesting printks before this BUG hit?
>  Nope :-(
> 
>  > It's due to the kernel running list_del() on a list_head which isn't on a list.
>  > 
>  > Seems there is an error-path bug in that driver, but I don' thtink the fix
>  > will fix it.  Please test?
>  Will do. But I don't think that's it. I've been adding printks to determine the
>  execution path and it goes through the ERROR3 path in asb100_detect(), which means
>  AFACT that the error path in asb100_detect_subclients() isn't taken:
> 
>  ERROR3:
>          i2c_detach_client(data->lm75[0]);
>          kfree(data->lm75[1]);
>          kfree(data->lm75[0]);
>  ERROR2:
>          i2c_detach_client(new_client); // <--- BUG() in here.
>  ERROR1:
>          kfree(data);
>  ERROR0:
>          return err;

hm, the tree I have here doesn't do that.  What kernel do you have there?

I suggest you work against
http://www.zip.com.au/~akpm/linux/patches/stuff/x.bz2 which is a patch
against 2.6.12-rc6 containing everybody's latest everything.




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