linux-kernel - [PATCH 5/8] drivers/scsi/qla2xxx/qla_nx.c: drop if around WARN

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Message-Id: <1351974625-10282-6-git-send-email-Julia.Lawall@lip6.fr>
Date:	Sat,  3 Nov 2012 21:30:22 +0100
From:	Julia Lawall <Julia.Lawall@...6.fr>
To:	Andrew Vasquez <andrew.vasquez@...gic.com>
Cc:	kernel-janitors@...r.kernel.org, linux-driver@...gic.com,
	"James E.J. Bottomley" <JBottomley@...allels.com>,
	linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 5/8] drivers/scsi/qla2xxx/qla_nx.c: drop if around WARN_ON

From: Julia Lawall <Julia.Lawall@...6.fr>

Just use WARN_ON rather than an if containing only WARN_ON(1).

A simplified version of the semantic patch that makes this transformation
is as follows: (http://coccinelle.lip6.fr/)

// <smpl>
@@
expression e;
@@
- if (e) WARN_ON(1);
+ WARN_ON(e);
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@...6.fr>

---
 drivers/scsi/qla2xxx/qla_nx.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/scsi/qla2xxx/qla_nx.c b/drivers/scsi/qla2xxx/qla_nx.c
index f5e297c..4c62a5d 100644
--- a/drivers/scsi/qla2xxx/qla_nx.c
+++ b/drivers/scsi/qla2xxx/qla_nx.c
@@ -388,8 +388,7 @@ qla82xx_pci_set_crbwindow(struct qla_hw_data *ha, u64 off)
 
 	if ((off >= QLA82XX_CRB_PCIX_HOST) && (off < QLA82XX_CRB_PCIX_HOST2)) {
 		/* We are in first CRB window */
-		if (ha->curr_window != 0)
-			WARN_ON(1);
+		WARN_ON(ha->curr_window != 0);
 		return off;
 	}
 

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