linux-kernel - [PATCH 07/10] atl1c: cancel task when interface closed

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <1335578325-21326-8-git-send-email-xiong@qca.qualcomm.com>
Date:	Sat, 28 Apr 2012 09:58:42 +0800
From:	xiong <xiong@....qualcomm.com>
To:	<davem@...emloft.net>, <netdev@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>
CC:	<qca-linux-team@...lcomm.com>, <nic-devel@...lcomm.com>,
	xiong <xiong@....qualcomm.com>
Subject: [PATCH 07/10] atl1c: cancel task when interface closed

common_task might be running while close routine is called,
wait/cancel it.

Signed-off-by: xiong <xiong@....qualcomm.com>
Tested-by: Liu David <dwliu@....qualcomm.com>
---
 drivers/net/ethernet/atheros/atl1c/atl1c_main.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
index 8fee1fc..e082901 100644
--- a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
+++ b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
@@ -330,6 +330,9 @@ static void atl1c_common_task(struct work_struct *work)
 	adapter = container_of(work, struct atl1c_adapter, common_task);
 	netdev = adapter->netdev;
 
+	if (test_bit(__AT_DOWN, &adapter->flags))
+		return;
+
 	if (test_and_clear_bit(ATL1C_WORK_EVENT_RESET, &adapter->work_event)) {
 		netif_device_detach(netdev);
 		atl1c_down(adapter);
@@ -2313,6 +2316,8 @@ static int atl1c_close(struct net_device *netdev)
 	struct atl1c_adapter *adapter = netdev_priv(netdev);
 
 	WARN_ON(test_bit(__AT_RESETTING, &adapter->flags));
+	set_bit(__AT_DOWN, &adapter->flags);
+	cancel_work_sync(&adapter->common_task);
 	atl1c_down(adapter);
 	atl1c_free_ring_resources(adapter);
 	return 0;
-- 
1.7.7

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/