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* [PATCH] sun/niu: fix wrong RXMAC_BC_FRM_CNT_COUNT count
@ 2021-03-05 17:02 Denis Efremov
  2021-03-05 21:10 ` patchwork-bot+netdevbpf
  0 siblings, 1 reply; 2+ messages in thread
From: Denis Efremov @ 2021-03-05 17:02 UTC (permalink / raw)
  To: David S. Miller; +Cc: Denis Efremov, Jakub Kicinski, netdev, linux-kernel

RXMAC_BC_FRM_CNT_COUNT added to mp->rx_bcasts twice in a row
in niu_xmac_interrupt(). Remove the second addition.

Signed-off-by: Denis Efremov <efremov@linux.com>
---
I don't know the code of the dirver, but this looks like a real bug.
Otherwise, it's more readable as:
   mp->rx_bcasts += RXMAC_BC_FRM_CNT_COUNT * 2;

 drivers/net/ethernet/sun/niu.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/net/ethernet/sun/niu.c b/drivers/net/ethernet/sun/niu.c
index 68695d4afacd..707ccdd03b19 100644
--- a/drivers/net/ethernet/sun/niu.c
+++ b/drivers/net/ethernet/sun/niu.c
@@ -3931,8 +3931,6 @@ static void niu_xmac_interrupt(struct niu *np)
 		mp->rx_mcasts += RXMAC_MC_FRM_CNT_COUNT;
 	if (val & XRXMAC_STATUS_RXBCAST_CNT_EXP)
 		mp->rx_bcasts += RXMAC_BC_FRM_CNT_COUNT;
-	if (val & XRXMAC_STATUS_RXBCAST_CNT_EXP)
-		mp->rx_bcasts += RXMAC_BC_FRM_CNT_COUNT;
 	if (val & XRXMAC_STATUS_RXHIST1_CNT_EXP)
 		mp->rx_hist_cnt1 += RXMAC_HIST_CNT1_COUNT;
 	if (val & XRXMAC_STATUS_RXHIST2_CNT_EXP)
-- 
2.26.2


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] sun/niu: fix wrong RXMAC_BC_FRM_CNT_COUNT count
  2021-03-05 17:02 [PATCH] sun/niu: fix wrong RXMAC_BC_FRM_CNT_COUNT count Denis Efremov
@ 2021-03-05 21:10 ` patchwork-bot+netdevbpf
  0 siblings, 0 replies; 2+ messages in thread
From: patchwork-bot+netdevbpf @ 2021-03-05 21:10 UTC (permalink / raw)
  To: Denis Efremov; +Cc: davem, kuba, netdev, linux-kernel

Hello:

This patch was applied to netdev/net.git (refs/heads/master):

On Fri,  5 Mar 2021 20:02:12 +0300 you wrote:
> RXMAC_BC_FRM_CNT_COUNT added to mp->rx_bcasts twice in a row
> in niu_xmac_interrupt(). Remove the second addition.
> 
> Signed-off-by: Denis Efremov <efremov@linux.com>
> ---
> I don't know the code of the dirver, but this looks like a real bug.
> Otherwise, it's more readable as:
>    mp->rx_bcasts += RXMAC_BC_FRM_CNT_COUNT * 2;
> 
> [...]

Here is the summary with links:
  - sun/niu: fix wrong RXMAC_BC_FRM_CNT_COUNT count
    https://git.kernel.org/netdev/net/c/155b23e6e534

You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html



^ permalink raw reply	[flat|nested] 2+ messages in thread

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2021-03-05 17:02 [PATCH] sun/niu: fix wrong RXMAC_BC_FRM_CNT_COUNT count Denis Efremov
2021-03-05 21:10 ` patchwork-bot+netdevbpf

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