netdev - [Patch net-next]atl1c: Do not call cancel_work

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Message-ID: <12492778781951-git-send-email-jie.yang@atheros.com>
Date:	Mon, 3 Aug 2009 13:37:58 +0800
From:	<jie.yang@...eros.com>
To:	<davem@...emloft.net>
CC:	<netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [Patch net-next]atl1c: Do not call cancel_work_sync from the work itself

Do not call cancel_work_sync from the work itself

Signed-off-by: jie yang <jie.yang>@atheros.com
---

diff --git a/drivers/net/atl1c/atl1c.h b/drivers/net/atl1c/atl1c.h
index 2a1120a..53242dc 100644
--- a/drivers/net/atl1c/atl1c.h
+++ b/drivers/net/atl1c/atl1c.h
@@ -427,6 +427,7 @@ struct atl1c_hw {
 #define ATL1C_ASPM_CTRL_MON        0x0200
 #define ATL1C_HIB_DISABLE      0x0400
 #define ATL1C_LINK_CAP_1000M       0x0800
+#define ATL1C_RESET_IN_WORK        0x1000
 #define ATL1C_FPGA_VERSION     0x8000
    u16 cmb_tpd;
    u16 cmb_rrd;
diff --git a/drivers/net/atl1c/atl1c_main.c b/drivers/net/atl1c/atl1c_main.c
index 1d601ce..dec88fa 100644
--- a/drivers/net/atl1c/atl1c_main.c
+++ b/drivers/net/atl1c/atl1c_main.c
@@ -321,7 +321,10 @@ static void atl1c_del_timer(struct atl1c_adapter *adapter)
 
 static void atl1c_cancel_work(struct atl1c_adapter *adapter)
 {
-   cancel_work_sync(&adapter->reset_task);
+   if (adapter->hw.ctrl_flags & ATL1C_RESET_IN_WORK)
+       adapter->hw.ctrl_flags &= ~ATL1C_RESET_IN_WORK;/* clear the flag */
+   else
+       cancel_work_sync(&adapter->reset_task);
    cancel_work_sync(&adapter->link_chg_task);
 }
 
@@ -1544,6 +1547,7 @@ static irqreturn_t atl1c_intr(int irq, void *data)
            /* reset MAC */
            hw->intr_mask &= ~ISR_ERROR;
            AT_WRITE_REG(hw, REG_IMR, hw->intr_mask);
+           adapter->hw.ctrl_flags |= ATL1C_RESET_IN_WORK;
            schedule_work(&adapter->reset_task);
            break;
        }

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