From: Figo.zhang Date: Mon, 7 Jun 2010 21:13:22 +0000 (+0000) Subject: net8139: fix a race at the end of NAPI X-Git-Tag: v2.6.35-rc3~1^2~1 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=349124a00754129a5f1e43efa84733e364bf3749;p=profile%2Fivi%2Fkernel-adaptation-intel-automotive.git 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 Signed-off-by: David S. Miller --- 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 @@ rx_next: 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); } diff --git a/drivers/net/8139too.c b/drivers/net/8139too.c index 80cd074..97d8068 100644 --- a/drivers/net/8139too.c +++ b/drivers/net/8139too.c @@ -2089,8 +2089,8 @@ static int rtl8139_poll(struct napi_struct *napi, int budget) * again when we think we are done. */ spin_lock_irqsave(&tp->lock, flags); - RTL_W16_F(IntrMask, rtl8139_intr_mask); __napi_complete(napi); + RTL_W16_F(IntrMask, rtl8139_intr_mask); spin_unlock_irqrestore(&tp->lock, flags); } spin_unlock(&tp->rx_lock);