netdev - [PATCH 1/2] bridge: fix error handling in br_add

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Message-ID: <20080428172925.64b88010@extreme>
Date:	Mon, 28 Apr 2008 17:29:25 -0700
From:	Stephen Hemminger <shemminger@...tta.com>
To:	David Miller <davem@...emloft.net>
Cc:	netdev@...r.kernel.org,
	Volodymyr G Lukiianyk <volodymyrgl@...il.com>
Subject: [PATCH 1/2]  bridge: fix error handling in br_add_if()

When device is added to bridge its refcnt is incremented (in new_nbp()), but if
error occurs during further br_add_if() operations this counter is not
decremented back. Fix it by adding dev_put() call in the error path.

Signed-off-by: Volodymyr G Lukiianyk <volodymyrgl@...il.com>
Signed-off-by: Stephen Hemminger <shemminger@...tta.com>

--- a/net/bridge/br_if.c	2008-04-28 15:27:06.000000000 -0700
+++ b/net/bridge/br_if.c	2008-04-28 15:31:18.000000000 -0700
@@ -411,9 +411,12 @@ err2:
 	br_fdb_delete_by_port(br, p, 1);
 err1:
 	kobject_del(&p->kobj);
-	return err;
+	goto put_back;
 err0:
 	kobject_put(&p->kobj);
+
+put_back:
+	dev_put(dev);
 	return err;
 }
 
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