linux-kernel - [PATCH 3/11] arch/arm/mach-s3c64xx/dma.c: trivial: use BUG

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Date:	Tue,  2 Aug 2011 12:34:56 +0200
From:	Julia Lawall <julia@...u.dk>
To:	Ben Dooks <ben-linux@...ff.org>, trivial@...nel.org
Cc:	kernel-janitors@...r.kernel.org,
	Russell King <linux@....linux.org.uk>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH 3/11] arch/arm/mach-s3c64xx/dma.c: trivial: use BUG_ON

From: Julia Lawall <julia@...u.dk>

Use BUG_ON(x) rather than if(x) BUG();

The semantic patch that fixes this problem is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@ identifier x; @@
-if (x) BUG();
+BUG_ON(x);

@@ identifier x; @@
-if (!x) BUG();
+BUG_ON(!x);
// </smpl>

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

---
 arch/arm/mach-s3c64xx/dma.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff -u -p a/arch/arm/mach-s3c64xx/dma.c b/arch/arm/mach-s3c64xx/dma.c
--- a/arch/arm/mach-s3c64xx/dma.c
+++ b/arch/arm/mach-s3c64xx/dma.c
@@ -603,8 +603,7 @@ static irqreturn_t s3c64xx_dma_irq(int i
 				&& buff->next != chan->next)
 			buff = buff->next;
 
-		if (!buff)
-			BUG();
+		BUG_ON(!buff);
 
 		if (buff == chan->next)
 			buff = chan->end;

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