From: Axel Lin Date: Mon, 6 May 2013 09:03:32 +0000 (+0800) Subject: irqchip: renesas-irqc: Fix irqc_probe error handling X-Git-Tag: v3.10.27~62 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b212be3528e64ff306f7477628cc042e448742c5;p=thirdparty%2Fkernel%2Fstable.git irqchip: renesas-irqc: Fix irqc_probe error handling commit dfaf820a13ec160f06556e08dab423818ba87f14 upstream. 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 Signed-off-by: Simon Horman Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/irqchip/irq-renesas-irqc.c b/drivers/irqchip/irq-renesas-irqc.c index 927bff373aac5..2f404ba61c6c2 100644 --- a/drivers/irqchip/irq-renesas-irqc.c +++ b/drivers/irqchip/irq-renesas-irqc.c @@ -248,8 +248,8 @@ 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: