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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/
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