linux-kernel - [PATCH 11/11] modules: better error messages when modules fail to load due to a sysfs problem.

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Date:	Mon, 30 Jul 2007 15:09:33 -0700
From:	Greg Kroah-Hartman <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...e.de>
Subject: [PATCH 11/11] modules: better error messages when modules fail to load due to a sysfs problem.

This helps people when debugging problems like the ones that were in the
recent -mm releases.


Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>
---
 kernel/params.c |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)

diff --git a/kernel/params.c b/kernel/params.c
index effbaae..4e57732 100644
--- a/kernel/params.c
+++ b/kernel/params.c
@@ -567,7 +567,12 @@ static void __init kernel_param_sysfs_setup(const char *name,
 	kobject_set_name(&mk->kobj, name);
 	kobject_init(&mk->kobj);
 	ret = kobject_add(&mk->kobj);
-	BUG_ON(ret < 0);
+	if (ret) {
+		printk(KERN_ERR "Module '%s' failed to be added to sysfs, "
+		      "error number %d\n", name, ret);
+		printk(KERN_ERR	"The system will be unstable now.\n");
+		return;
+	}
 	param_sysfs_setup(mk, kparam, num_params, name_skip);
 	kobject_uevent(&mk->kobj, KOBJ_ADD);
 }
-- 
1.5.2.2

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