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Date: Mon, 06 May 2013 17:03:32 +0800 From: Axel Lin <axel.lin@...ics.com> To: Simon Horman <horms+renesas@...ge.net.au> Cc: Magnus Damm <damm@...nsource.se>, Guennadi Liakhovetski <g.liakhovetski@....de>, Thomas Gleixner <tglx@...utronix.de>, linux-kernel@...r.kernel.org Subject: [PATCH] irqchip: renesas-irqc: Fix irqc_probe error handling The code in goto err3 path is wrong because it will call fee_irq() with k == 0, which means it does free_irq(p->irq[-1].requested_irq, &p->irq[-1]); Signed-off-by: Axel Lin <axel.lin@...ics.com> --- drivers/irqchip/irq-renesas-irqc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/irqchip/irq-renesas-irqc.c b/drivers/irqchip/irq-renesas-irqc.c index 649cd69..3651f77 100644 --- a/drivers/irqchip/irq-renesas-irqc.c +++ b/drivers/irqchip/irq-renesas-irqc.c @@ -252,8 +252,8 @@ static int irqc_probe(struct platform_device *pdev) return 0; err3: - for (; k >= 0; k--) - free_irq(p->irq[k - 1].requested_irq, &p->irq[k - 1]); + while (--k >= 0) + free_irq(p->irq[k].requested_irq, &p->irq[k]); irq_domain_remove(p->irq_domain); err2: -- 1.8.1.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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