netdev - [PATCH][PPP]: Do not free not yet unregistered net device.

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Message-ID: <4829B42A.8070005@openvz.org>
Date:	Tue, 13 May 2008 19:30:50 +0400
From:	Pavel Emelyanov <xemul@...nvz.org>
To:	David Miller <davem@...emloft.net>
CC:	Linux Netdev List <netdev@...r.kernel.org>
Subject: [PATCH][PPP]: Do not free not yet unregistered net device.

An error path in ppp_create_interface() lacks one and may
BUG in free_netdev() checking for proper dev->reg_state.

Signed-off-by: Pavel Emelyanov <xemul@...nvz.org>

---

diff --git a/drivers/net/ppp_generic.c b/drivers/net/ppp_generic.c
index d3207c0..1f4ca2b 100644
--- a/drivers/net/ppp_generic.c
+++ b/drivers/net/ppp_generic.c
@@ -2458,6 +2458,7 @@ ppp_create_interface(int unit, int *retp)

 out3:
 	atomic_dec(&ppp_unit_count);
+	unregister_netdev(dev);
 out2:
 	mutex_unlock(&all_ppp_mutex);
 	free_netdev(dev);
--
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