linux-kernel - [PATCH 08/11] irda: remove spin_is

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Message-Id: <1331924464-18023-9-git-send-email-andi@firstfloor.org>
Date:	Fri, 16 Mar 2012 12:01:01 -0700
From:	Andi Kleen <andi@...stfloor.org>
To:	linux-kernel@...r.kernel.org
Cc:	Andi Kleen <ak@...ux.intel.com>, netdev@...r.kernel.org,
	samuel@...tiz.org
Subject: [PATCH 08/11] irda: remove spin_is_locked

From: Andi Kleen <ak@...ux.intel.com>

It's hard to imagine how this spin_is_locked debugging check is not
totally racy.  Remove it.

Cc: netdev@...r.kernel.org
Cc: samuel@...tiz.org
Signed-off-by: Andi Kleen <ak@...ux.intel.com>
---
 drivers/net/irda/sir_dev.c |    5 -----
 1 files changed, 0 insertions(+), 5 deletions(-)

diff --git a/drivers/net/irda/sir_dev.c b/drivers/net/irda/sir_dev.c
index 5039f08..90a1b3e 100644
--- a/drivers/net/irda/sir_dev.c
+++ b/drivers/net/irda/sir_dev.c
@@ -632,11 +632,6 @@ static netdev_tx_t sirdev_hard_xmit(struct sk_buff *skb,
 	/* Init tx buffer*/
 	dev->tx_buff.data = dev->tx_buff.head;
 
-	/* Check problems */
-	if(spin_is_locked(&dev->tx_lock)) {
-		IRDA_DEBUG(3, "%s(), write not completed\n", __func__);
-	}
-
 	/* serialize with write completion */
 	spin_lock_irqsave(&dev->tx_lock, flags);
 
-- 
1.7.7.6

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