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From: Sasha Levin <sasha.levin@oracle.com>
To: linux-kernel@vger.kernel.org
Cc: Sasha Levin <sasha.levin@oracle.com>,
	Russell King <linux@arm.linux.org.uk>,
	Marc Zyngier <marc.zyngier@arm.com>,
	Grant Likely <grant.likely@secretlab.ca>,
	Will Deacon <will.deacon@arm.com>, Yang Bai <hamo.by@gmail.com>,
	linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: gic: use BUG_ON where possible
Date: Thu,  8 Nov 2012 15:23:05 -0500	[thread overview]
Message-ID: <1352406191-14303-3-git-send-email-sasha.levin@oracle.com> (raw)
In-Reply-To: <1352406191-14303-1-git-send-email-sasha.levin@oracle.com>

Just use BUG_ON() instead of constructions such as:

	if (...)
		BUG()

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

// <smpl>
@@
expression e;
@@
- if (e) BUG();
+ BUG_ON(e);
// </smpl>

Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
---
 arch/arm/common/gic.c |   18 ++++++------------
 1 file changed, 6 insertions(+), 12 deletions(-)

diff --git a/arch/arm/common/gic.c b/arch/arm/common/gic.c
index aa52699..f0b8a10 100644
--- a/arch/arm/common/gic.c
+++ b/arch/arm/common/gic.c
@@ -336,10 +336,8 @@ static struct irq_chip gic_chip = {
 
 void __init gic_cascade_irq(unsigned int gic_nr, unsigned int irq)
 {
-	if (gic_nr >= MAX_GIC_NR)
-		BUG();
-	if (irq_set_handler_data(irq, &gic_data[gic_nr]) != 0)
-		BUG();
+	BUG_ON(gic_nr >= MAX_GIC_NR);
+	BUG_ON(irq_set_handler_data(irq, &gic_data[gic_nr]) != 0);
 	irq_set_chained_handler(irq, gic_handle_cascade_irq);
 }
 
@@ -421,8 +419,7 @@ static void gic_dist_save(unsigned int gic_nr)
 	void __iomem *dist_base;
 	int i;
 
-	if (gic_nr >= MAX_GIC_NR)
-		BUG();
+	BUG_ON(gic_nr >= MAX_GIC_NR);
 
 	gic_irqs = gic_data[gic_nr].gic_irqs;
 	dist_base = gic_data_dist_base(&gic_data[gic_nr]);
@@ -456,8 +453,7 @@ static void gic_dist_restore(unsigned int gic_nr)
 	unsigned int i;
 	void __iomem *dist_base;
 
-	if (gic_nr >= MAX_GIC_NR)
-		BUG();
+	BUG_ON(gic_nr >= MAX_GIC_NR);
 
 	gic_irqs = gic_data[gic_nr].gic_irqs;
 	dist_base = gic_data_dist_base(&gic_data[gic_nr]);
@@ -493,8 +489,7 @@ static void gic_cpu_save(unsigned int gic_nr)
 	void __iomem *dist_base;
 	void __iomem *cpu_base;
 
-	if (gic_nr >= MAX_GIC_NR)
-		BUG();
+	BUG_ON(gic_nr >= MAX_GIC_NR);
 
 	dist_base = gic_data_dist_base(&gic_data[gic_nr]);
 	cpu_base = gic_data_cpu_base(&gic_data[gic_nr]);
@@ -519,8 +514,7 @@ static void gic_cpu_restore(unsigned int gic_nr)
 	void __iomem *dist_base;
 	void __iomem *cpu_base;
 
-	if (gic_nr >= MAX_GIC_NR)
-		BUG();
+	BUG_ON(gic_nr >= MAX_GIC_NR);
 
 	dist_base = gic_data_dist_base(&gic_data[gic_nr]);
 	cpu_base = gic_data_cpu_base(&gic_data[gic_nr]);
-- 
1.7.10.4


  parent reply	other threads:[~2012-11-08 20:24 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-11-08 20:23 [PATCH] vmxnet3: convert BUG_ON(true) into a simple BUG() Sasha Levin
2012-11-08 20:23 ` [PATCH] alpha: use BUG_ON where possible Sasha Levin
2012-11-08 21:42   ` Jiri Kosina
2012-11-09 16:23     ` Sasha Levin
2012-11-12 14:43       ` Jiri Kosina
2012-11-12 15:03         ` Sasha Levin
2012-11-08 20:23 ` Sasha Levin [this message]
2012-11-08 20:23 ` [PATCH] ARM: kprobes: " Sasha Levin
2012-11-09  9:26   ` Jon Medhurst (Tixy)
2012-11-08 20:23 ` [PATCH] ARM: EXYNOS: " Sasha Levin
2012-11-12 15:12   ` Maarten Lankhorst
2012-11-12 15:23     ` Russell King - ARM Linux
2012-11-12 15:52       ` Sasha Levin
2012-11-12 15:25     ` Sasha Levin
2012-11-08 20:23 ` [PATCH] ARM: integrator: " Sasha Levin
2012-11-12 20:44   ` Arnd Bergmann
2012-11-17 18:41     ` Linus Walleij
2012-11-08 20:23 ` [PATCH] ARM: OMAP1: " Sasha Levin
2012-11-12 23:21   ` Tony Lindgren
2012-11-08 20:23 ` [PATCH] ARM: dma: " Sasha Levin
2012-11-08 20:23 ` [PATCH] ARM: versatile: " Sasha Levin
2012-11-09  6:02 ` [PATCH] vmxnet3: convert BUG_ON(true) into a simple BUG() Shreyas Bhatewara
2012-11-09 22:03   ` David Miller
2012-11-11 22:27 ` Ryan Mallon

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