From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Kirsher Subject: [net-2.6 PATCH] ixgbe: fix possible NULL pointer deference in shutdown path Date: Wed, 01 Dec 2010 22:54:53 -0800 Message-ID: <20101202065447.13252.88901.stgit@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, gospo@redhat.com, bphilips@novell.com, Don Skidmore , Jeff Kirsher To: davem@davemloft.net Return-path: Received: from qmta03.emeryville.ca.mail.comcast.net ([76.96.30.32]:38723 "EHLO qmta03.emeryville.ca.mail.comcast.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753581Ab0LBGzP (ORCPT ); Thu, 2 Dec 2010 01:55:15 -0500 Sender: netdev-owner@vger.kernel.org List-ID: From: Don Skidmore After freeing the rings we were not zeroing out the ring count values. This patch now clears these counts correctly. Reported-by: Yinghai Lu Signed-off-by: Don Skidmore Tested-by: Stephen Ko Signed-off-by: Jeff Kirsher --- 0 files changed, 0 insertions(+), 0 deletions(-) diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c index fbad4d8..eee0b29 100644 --- a/drivers/net/ixgbe/ixgbe_main.c +++ b/drivers/net/ixgbe/ixgbe_main.c @@ -4771,6 +4771,9 @@ void ixgbe_clear_interrupt_scheme(struct ixgbe_adapter *adapter) adapter->rx_ring[i] = NULL; } + adapter->num_tx_queues = 0; + adapter->num_rx_queues = 0; + ixgbe_free_q_vectors(adapter); ixgbe_reset_interrupt_capability(adapter); }