From: Rusty Russell <rusty@rustcorp.com.au>
To: Mikael Pettersson <mikpe@csd.uu.se>
Cc: linux-kernel@vger.kernel.org
Subject: Re: 2.6.0-test6 module autoloading and reference counting broken?
Date: Fri, 10 Oct 2003 15:25:20 +1000 [thread overview]
Message-ID: <20031010232125.5C6692C01A@lists.samba.org> (raw)
In-Reply-To: Your message of "Fri, 03 Oct 2003 14:30:52 +0200." <16253.27644.578089.345998@gargle.gargle.HOWL>
In message <16253.27644.578089.345998@gargle.gargle.HOWL> you write:
> FYI,
>
> I'm seeing incorrect reference counting behaviour and module
> loading semi-failures in 2.6.0-test6.
>
> I have a misc char driver module which announces an alias
> via a MODULE_ALIAS("char-major-10-<nnn>") declaration.
>
> The first attempt by user-space to open the device node fails
> with ENODEV. However, afterwards the module _is_ loaded and its
> use count is 1 even though the user-space open() failed.
Sounds like a refcount bug somewhere (in your module, maybe?).
There's nothing magic about modules loaded via kmod, even via
aliases, unless there's a bug in drivers/char/misc.c...
Puzzled,
Rusty.
--
Anyone who quotes me in their sig is an idiot. -- Rusty Russell.
next prev parent reply other threads:[~2003-10-10 23:22 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-10-03 12:30 2.6.0-test6 module autoloading and reference counting broken? Mikael Pettersson
2003-10-10 5:25 ` Rusty Russell [this message]
-- strict thread matches above, loose matches on Subject: below --
2003-10-11 9:56 Mikael Pettersson
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