From: Figo.zhang <figo1802@gmail.com>
Date: Fri, 5 Mar 2010 16:36:02 +0000 (+0000)
Subject: fix a race in ks8695_poll
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=b96b894c518bc7399e6b86b635b5e8cd7356a8e9;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git

fix a race in ks8695_poll

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

Signed-off-by:Figo.zhang <figo1802@gmail.com>

Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/arm/ks8695net.c b/drivers/net/arm/ks8695net.c
index 8ca639127dbc..a1d4188c430b 100644
--- a/drivers/net/arm/ks8695net.c
+++ b/drivers/net/arm/ks8695net.c
@@ -575,9 +575,9 @@ 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;