commit 349124a00754129a5f1e43efa84733e364bf3749
author Figo.zhang <zhangtianfei@leadcoretech.com> Mon Jun 07 21:13:22 2010 +0000
committer David S. Miller <davem@davemloft.net> Thu Jun 10 23:14:08 2010 -0700
tree acff33465eb6b21aadca78657a7fa330d6987936
parent 07a0f0f07a68014c92c752a5598102372bddf46e

net8139: fix a race at the end of NAPI

fix a race at the end of NAPI complete processing, it had
better do __napi_complete() first before re-enable interrupt.

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

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

drivers/net/8139cp.c

diff --git a/drivers/net/8139cp.c b/drivers/net/8139cp.c
index 9c14975..284a5f4 100644
--- a/drivers/net/8139cp.c
+++ b/drivers/net/8139cp.c
@@ -598,8 +598,8 @@
 			goto rx_status_loop;
 
 		spin_lock_irqsave(&cp->lock, flags);
-		cpw16_f(IntrMask, cp_intr_mask);
 		__napi_complete(napi);
+		cpw16_f(IntrMask, cp_intr_mask);
 		spin_unlock_irqrestore(&cp->lock, flags);
 	}