Messages in this thread | | | Date | Tue, 6 Aug 2002 00:48:21 +0200 (CEST) | From | Roman Zippel <> | Subject | Re: [BK PATCH] devfs cleanups for 2.5.29 |
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Hi,
On Mon, 5 Aug 2002, Richard Gooch wrote:
> > > Yes. RTFS. > > > > I'm trying - without getting headache. > > Take a valium.
Staying away from devfs sources is cheaper.
> > In the "devfs=only" case, where is the module count incremented, when a > > block device is opened? > > The module count is incremented when the device is opened, > irrespective of whether it's a character or block device, or even a > "regular" file.
Would you please answer my question and tell me where that exactly happens in that case?
> > > No. I leverage fops_get(), a common function. > > > > Which is also insufficiently protected. > > Incorrect.
What protects the module from unloading from getting the ops pointer until try_inc_mod_count()?
bye, Roman
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