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From: "Figo.zhang" <figo1802@gmail.com>
To: "David S. Miller" <davem@davemloft.net>
Cc: netdev <netdev@vger.kernel.org>,
	Stephen Hemminger <shemminger@vyatta.com>,
	Yegor Yefremov <yegorslists@googlemail.com>
Subject: [PATCH] fix a race in ks8695_poll
Date: Sat, 06 Mar 2010 10:36:02 +0800	[thread overview]
Message-ID: <1267842962.2669.2.camel@myhost> (raw)

fix a race at the end of NAPI processing in ks8695_poll() function.

Signed-off-by:Figo.zhang <figo1802@gmail.com>
--- 
drivers/net/arm/ks8695net.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/net/arm/ks8695net.c b/drivers/net/arm/ks8695net.c
index be256b3..ecd5819 100644
--- a/drivers/net/arm/ks8695net.c
+++ b/drivers/net/arm/ks8695net.c
@@ -576,9 +576,9 @@ static int ks8695_poll(struct napi_struct *napi, int budget)
 	if (work_done < budget) {
 		unsigned long flags;
 		spin_lock_irqsave(&ksp->rx_lock, flags);
+		__napi_complete(napi);
 		/*enable rx interrupt*/
 		writel(isr | mask_bit, KS8695_IRQ_VA + KS8695_INTEN);
-		__napi_complete(napi);
 		spin_unlock_irqrestore(&ksp->rx_lock, flags);
 	}
 	return work_done;



             reply	other threads:[~2010-03-06  2:36 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-03-06  2:36 Figo.zhang [this message]
2010-03-07 23:28 ` [PATCH] fix a race in ks8695_poll David Miller

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