Re: 2.6.22.14 oops msg with commvault galaxy ?

[Kay Sievers]

On Thu, 2007-12-13 at 17:50 +0100, Ingo Molnar wrote:
> * Kay Sievers <kay.sievers@xxxxxxxx> wrote:
> 
> > > > > > +   sa->attr.owner = NULL;
> > > > > >     sa->attr.name = name;
> > > > >
> > > > > i'm wondering why doesnt this affect 2.6.23 and later? Does sysfs
> > > > > initialize the owner field to NULL automatically?
> > > > 
> > > > Attibutes do not have an owner anymore:
> > > > http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=7b595756ec1f49e0049a9e01a1298d53a7faaa15
> > > 
> > > This one also fails to apply properly at the exact same place has 
> > > Ingo's previously posted patch.  Would need to backport his one.
> > 
> > It depends on a completely reworked sysfs logic, I don't think it 
> > makes any sense to backport that.
> 
> well, if it fixes a live bug in a still supported stable kernel 
> release...
> 
> Vincent, could you try to just get rid of all actual uses of 
> se->attr.owner, within fs/sysfs/*.c? Something like the patch below. 
> (totally untested - might be fatally broken as well)

How can you think that this is not needed? You can not remove it with
sysfs you are patching. Hope this explains it:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=0ab66088c855eca68513bdd7442a426c4b374ced

Kay

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