linux-kernel - Re: mmotm 2008-11-29-01-53 uploaded

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Date:	Mon, 1 Dec 2008 15:07:33 +1030
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Cc:	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
	gregkh@...e.de
Subject: Re: mmotm 2008-11-29-01-53 uploaded

On Monday 01 December 2008 12:40:40 KAMEZAWA Hiroyuki wrote:
> On Sat, 29 Nov 2008 01:59:56 -0800
>
> akpm@...ux-foundation.org wrote:
> > The mm-of-the-moment snapshot 2008-11-29-01-53 has been uploaded to
> >
> >    http://userweb.kernel.org/~akpm/mmotm/
> >
> > It contains the following patches against 2.6.28-rc6:
>
> Hi, in recent changes of linux-next.patch

Yep, it was mine.  Latest linux-next should have the fix (sfr berated me for
this bug earlier), which is below:

core_param: call these really, really early - fix

USB sets prefix to "", so there's no dot.  We should really be using
core_param for this.

Signed-off-by: Rusty Russell <rusty@...tcorp.com.au>
---
 kernel/params.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/kernel/params.c b/kernel/params.c
--- a/kernel/params.c
+++ b/kernel/params.c
@@ -634,7 +634,9 @@ static void __init param_sysfs_builtin(v
 			continue;
 
 		dot = strchr(kp->name, '.');
-		BUG_ON(!dot);
+		/* FIXME: USB code sets prefix to "".  Should use core_param */
+		if (!dot)
+			continue;
 		name_len = dot - kp->name + 1;
 		strlcpy(modname, kp->name, name_len);
 		kernel_add_sysfs_param(modname, kp, name_len);

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