On Wed, Nov 2, 2011 at 12:56 PM, Navdeep Parhar <npar...@gmail.com> wrote:
> I built a KLD with multiple firmware images, as shown here:
>
> KMOD=foo
> FIRMWS= foo.bin:foo:1.0.0.0
> FIRMWS+=bar.bin:bar:1.0.0.0
> FIRMWS+= ...
> .include <bsd.kmod.mk>
>
> "foo" is the parent firmware and a firmware_get(foo) can autoload the
> KLD. "bar" and the rest are available only if the KLD is loaded (by
> whatever means). This is reasonable and works as expected. But if I
> just get and then put "foo" back, the KLD is not unloaded automatically.
>
> The problem is that a reference is placed on the parent firmware when
> the other firmwares are registered (during module load). I think this
> reference should be placed during firmware_get on the child.
>
> What do people think about the attached patch? It fixes things for me.
It might be a generic problem; here's a similar (not exactly the
same) issue:
http://lists.freebsd.org/pipermail/freebsd-hackers/2010-August/032714.html
.
Thanks,
-Garrett
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