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From: Songjun Wu <songjun.wu@microchip.com>
To: <gregkh@linuxfoundation.org>, <linux-kernel@vger.kernel.org>
Cc: Songjun Wu <songjun.wu@microchip.com>
Subject: [PATCH] kobject: set state_initialized to 0 in kobject_cleanup
Date: Tue, 1 Nov 2016 18:41:44 +0800	[thread overview]
Message-ID: <1477996905-16920-1-git-send-email-songjun.wu@microchip.com> (raw)

If state_initialized is not set to 0 when a kobject is
released, a device is registered, unregistered, and
registered again, the error below will occur.

kobject (dec04bb0): tried to init an initialized object,
something is seriously wrong.

Signed-off-by: Songjun Wu <songjun.wu@microchip.com>
---

 lib/kobject.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/kobject.c b/lib/kobject.c
index 445dcae..423af4e 100644
--- a/lib/kobject.c
+++ b/lib/kobject.c
@@ -639,6 +639,8 @@ static void kobject_cleanup(struct kobject *kobj)
 		kobject_del(kobj);
 	}
 
+	kobj->state_initialized = 0;
+
 	if (t && t->release) {
 		pr_debug("kobject: '%s' (%p): calling ktype release\n",
 			 kobject_name(kobj), kobj);
-- 
2.7.4

             reply	other threads:[~2016-11-01 10:42 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-11-01 10:41 Songjun Wu [this message]
2016-11-01 14:56 ` [PATCH] kobject: set state_initialized to 0 in kobject_cleanup Greg KH
2016-11-02  1:29   ` Wu, Songjun

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