diff options
| author | Figo.zhang <zhangtianfei@leadcoretech.com> | 2010-06-07 21:13:22 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-06-10 23:14:08 -0700 |
| commit | 349124a00754129a5f1e43efa84733e364bf3749 (patch) | |
| tree | acff33465eb6b21aadca78657a7fa330d6987936 | |
| parent | 07a0f0f07a68014c92c752a5598102372bddf46e (diff) | |
| download | kernel_samsung_tuna-349124a00754129a5f1e43efa84733e364bf3749.zip kernel_samsung_tuna-349124a00754129a5f1e43efa84733e364bf3749.tar.gz kernel_samsung_tuna-349124a00754129a5f1e43efa84733e364bf3749.tar.bz2 | |
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>
| -rw-r--r-- | drivers/net/8139cp.c | 2 | ||||
| -rw-r--r-- | drivers/net/8139too.c | 2 |
2 files changed, 2 insertions, 2 deletions
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); |