linux-kernel - [PATCH 3/7] drivers/net/atl1c: Remove double test

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Message-Id: <1283010066-20935-4-git-send-email-julia@diku.dk>
Date:	Sat, 28 Aug 2010 17:41:02 +0200
From:	Julia Lawall <julia@...u.dk>
To:	netdev@...r.kernel.org
Cc:	kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 3/7] drivers/net/atl1c: Remove double test

The nic_type field is compared to athr_l2c twice.

The sematic match that finds this problem is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@expression@
expression E;
@@

(
* E
  || ... || E
|
* E
  && ... && E
)
// </smpl>

Signed-off-by: Julia Lawall <julia@...u.dk>

---
This is a guess as to what the code should be.  Perhaps something else
should have been tested instead.

 drivers/net/atl1c/atl1c_hw.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/atl1c/atl1c_hw.c b/drivers/net/atl1c/atl1c_hw.c
index d8501f0..919080b 100644
--- a/drivers/net/atl1c/atl1c_hw.c
+++ b/drivers/net/atl1c/atl1c_hw.c
@@ -480,7 +480,7 @@ int atl1c_phy_reset(struct atl1c_hw *hw)
 		atl1c_write_phy_reg(hw, MII_DBG_DATA, 0x929D);
 	}
 	if (hw->nic_type == athr_l1c || hw->nic_type == athr_l2c_b2
-		|| hw->nic_type == athr_l2c || hw->nic_type == athr_l2c) {
+		|| hw->nic_type == athr_l2c) {
 		atl1c_write_phy_reg(hw, MII_DBG_ADDR, 0x29);
 		atl1c_write_phy_reg(hw, MII_DBG_DATA, 0xB6DD);
 	}

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