hello Matthew. That line assures that if a device driver has unloaded
and reloaded its
bdevw or cdevw interfaces, it gets assigned the same major numbers that they
had when they
were first loaded on the system. If a device driver has never loaded its
bdevsw or cdevsw
interfaces on a
your change seems to fix a clear but to me.
> - if (*bmajor < 0)
> + if ((bdev != NULL) && (*bmajor < 0))
> *bmajor = conv->d_bmajor;
there's also this line i'm curious about, just below:
if (*bmajor != conv->d_bmajor || *cmajor !=
hello. Following up on this issue, I've discovered the problem with
devsw_attach is that
if one is reattaching a previously detached driver and that driver does not
implementa bdev
interface, devsw_attach returns an EINVAL error. The following patch fixes
this problem. Any
reason I
> Date: Wed, 1 Feb 2023 23:24:53 -0800
> From: Brian Buhrow
>
> I'm runing NetBSD-9.99.77, which predates the pr kern/56962
> fixes. Is this behavior expected prior to the fix for this bug or
> am I running into something else?
I don't recall the details and don't have time to think
