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Message-ID: <EADF0A36011179459010BDF5142A457501C9BF2AE6@pdsmsx502.ccr.corp.intel.com>
Date:	Sun, 31 May 2009 14:43:58 +0800
From:	"Xu, Dongxiao" <dongxiao.xu@...el.com>
To:	"greg@...ah.com" <greg@...ah.com>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Nashif, Anas" <anas.nashif@...el.com>,
	"Obara, Marcin" <marcin.obara@...el.com>,
	"knikanth@...e.de" <knikanth@...e.de>
Subject: [Patch 07/08] Staging: heci - do not print error when
 heci_bh_handler is already on workqueue

>From 458f7a8efdf0b712c044987a565edc76ec90a85b Mon Sep 17 00:00:00 2001
From: Dongxiao Xu <dongxiao.xu@...el.com>
Date: Sun, 31 May 2009 22:47:14 +0800
Subject: [PATCH] heci: do not print error when heci_bh_handler is already on workqueue.

schedule_work returns 0, if the work is already on the work_queue, else
returns non-zero. Do not print error message if heci_bh_handlerwork was
already on queue.

Signed-off-by: Nikanth Karthikesan <knikanth@...e.de>
---
 drivers/staging/heci/interrupt.c |   12 ++++--------
 1 files changed, 4 insertions(+), 8 deletions(-)

diff --git a/drivers/staging/heci/interrupt.c b/drivers/staging/heci/interrupt.c
index 3a510ed..d97450c 100644
--- a/drivers/staging/heci/interrupt.c
+++ b/drivers/staging/heci/interrupt.c
@@ -103,10 +103,8 @@ irqreturn_t heci_isr_interrupt(int irq, void *dev_id)
 	PREPARE_WORK(&dev->work, heci_bh_handler);
 	DBG("schedule work the heci_bh_handler.\n");
 	err = schedule_work(&dev->work);
-	if (!err) {
-		printk(KERN_ERR "heci: schedule the heci_bh_handler"
-		       " failed error=%x\n", err);
-	}
+	if (!err)
+		DBG("heci_bh_handler was already on the workqueue.\n");
 	return IRQ_HANDLED;
 }
 
@@ -260,10 +258,8 @@ end:
 		PREPARE_WORK(&dev->work, heci_bh_handler);
 		DBG("schedule work the heci_bh_handler.\n");
 		rets = schedule_work(&dev->work);
-		if (!rets) {
-			printk(KERN_ERR "heci: schedule the heci_bh_handler"
-			       " failed error=%x\n", rets);
-		}
+		if (!rets) 
+			DBG("heci_bh_handler was already queued.\n");
 	} else {
 		heci_csr_enable_interrupts(dev);
 	}
-- 
1.6.0.rc1

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