Messages in this thread | | | Date | Thu, 10 May 2012 07:11:30 -0700 | From | Greg Kroah-Hartman <> | Subject | Re: [RFC 1/1] Driver Core: don't oops with unregistered driver in driver_find_device() |
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On Thu, May 10, 2012 at 10:35:02AM +0300, Hiroshi DOYU wrote: > driver_find_device() can be called with an unregistered driver.
Who does that? Where in the kernel? Why would you try to do that?
> Need to check driver_private to see if it's populated or not, > especially under deferrable probe.
Hm, I don't know if this will really catch a driver that was registered and then was unregistered, right? It seems like moving the real problem somewhere else, why not fix the original issue instead?
> Signed-off-by: Hiroshi DOYU <hdoyu@nvidia.com> > --- > In [PATCHv5 2/3] ARM: tegra: Add SMMU enabler in AHB: > http://article.gmane.org/gmane.linux.ports.tegra/4658 > > "tegra_ahb_driver" may not be populated when it's called.
It can? I don't see that in that patch.
confused,
greg k-h
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