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SubjectRe: [PATCH 1/4] UIO: hold a reference to the device's owner while the device is open
On Thu, Apr 10, 2008 at 11:02:29PM +0200, Hans J. Koch wrote:
> On Thu, Apr 10, 2008 at 02:37:00PM +0200, Uwe Kleine-K??nig wrote:
> > Otherwise the device might just disappear while /dev/uioX is being used
> > which results in an Oops.
> Hi Uwe,
> thanks for this one, good catch! Looks fine to me. There are some minor issues, see
> below.
> And I'd like to hear Greg's opinion: Do you agree we can omit
> try_module_get() in uio_mmap()?

If it's already been grabbed in the open() call, everything should be
safe, right?


greg k-h

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