linux-kernel - Re: [patch 2/2] track and print last unloaded module in the oops trace

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Message-ID: <20080108112331.GA1162@elte.hu>
Date:	Tue, 8 Jan 2008 12:23:31 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Rusty Russell <rusty@...tcorp.com.au>
Cc:	Arjan van de Ven <arjan@...radead.org>,
	linux-kernel@...r.kernel.org, ak@...e.de
Subject: Re: [patch 2/2] track and print last unloaded module in the oops
	trace


* Rusty Russell <rusty@...tcorp.com.au> wrote:

> > Right now, only the last 1 module is tracked; I expect that this is 
> > enough for the vast majority of cases where this information 
> > matters; if it turns out that tracking more is important, we can 
> > always extend it to that.
> >
> > Signed-off-by: Arjan van de Ven <arjan@...ux.intel.com>
> 
> Thanks, applied.

needs the fix below.

	Ingo

-------------->
Subject: track and print last unloaded module in the oops trace, fix
From: Ingo Molnar <mingo@...e.hu>

fix:

kernel/module.c: In function 'print_modules':
kernel/module.c:2508: error: 'last_unloaded_module' undeclared (first use in this function)
kernel/module.c:2508: error: (Each undeclared identifier is reported only once
kernel/module.c:2508: error: for each function it appears in.)

Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
 kernel/module.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Index: linux/kernel/module.c
===================================================================
--- linux.orig/kernel/module.c
+++ linux/kernel/module.c
@@ -498,6 +498,8 @@ static struct module_attribute modinfo_#
 MODINFO_ATTR(version);
 MODINFO_ATTR(srcversion);
 
+static char last_unloaded_module[MODULE_NAME_LEN+1];
+
 #ifdef CONFIG_MODULE_UNLOAD
 /* Init the unload section of the module. */
 static void module_unload_init(struct module *mod)
@@ -655,8 +657,6 @@ static void wait_for_zero_refcount(struc
 	mutex_lock(&module_mutex);
 }
 
-static char last_unloaded_module[MODULE_NAME_LEN+1];
-
 asmlinkage long
 sys_delete_module(const char __user *name_user, unsigned int flags)
 {
--
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