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Subject[PATCH 3.12 073/104] e1000: fix wrong queue idx calculation
Date
From: Hong Zhiguo <zhiguohong@tencent.com>

3.12-stable review patch. If anyone has any objections, please let me know.

===============

commit 49a45a0686cc2b43bcb3834a68416a201475dc77 upstream.

tx_ring and adapter->tx_ring are already of type "struct
e1000_tx_ring *"

Signed-off-by: Hong Zhiguo <zhiguohong@tencent.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
---
drivers/net/ethernet/intel/e1000/e1000_main.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c
index 59ad007dd5aa..ad6800ad1bfc 100644
--- a/drivers/net/ethernet/intel/e1000/e1000_main.c
+++ b/drivers/net/ethernet/intel/e1000/e1000_main.c
@@ -3917,8 +3917,7 @@ static bool e1000_clean_tx_irq(struct e1000_adapter *adapter,
" next_to_watch <%x>\n"
" jiffies <%lx>\n"
" next_to_watch.status <%x>\n",
- (unsigned long)((tx_ring - adapter->tx_ring) /
- sizeof(struct e1000_tx_ring)),
+ (unsigned long)(tx_ring - adapter->tx_ring),
readl(hw->hw_addr + tx_ring->tdh),
readl(hw->hw_addr + tx_ring->tdt),
tx_ring->next_to_use,
--
2.0.4


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