From: Hariprasad Kelam <hariprasad.kelam@gmail.com> To: Thomas Gleixner <tglx@linutronix.de>, Jason Cooper <jason@lakedaemon.net>, Marc Zyngier <marc.zyngier@arm.com>, Marc Gonzalez <marc.w.gonzalez@free.fr>, Mans Rullgard <mans@mansr.com>, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH] irqchip/tango: Add NULL check after memory operation Date: Sun, 21 Jul 2019 23:45:36 +0530 [thread overview] Message-ID: <20190721181536.GA13450@hari-Inspiron-1545> (raw) Add NULL check after kzalloc operation. Fix below issue reported by coccicheck ./drivers/irqchip/irq-tango.c:189:1-5: alloc with no test, possible model on line 193 Signed-off-by: Hariprasad Kelam <hariprasad.kelam@gmail.com> --- drivers/irqchip/irq-tango.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/irqchip/irq-tango.c b/drivers/irqchip/irq-tango.c index 34290f0..761b9fa 100644 --- a/drivers/irqchip/irq-tango.c +++ b/drivers/irqchip/irq-tango.c @@ -187,6 +187,8 @@ static int __init tangox_irq_init(void __iomem *base, struct resource *baseres, panic("%pOFn: failed to get address", node); chip = kzalloc(sizeof(*chip), GFP_KERNEL); + if (!chip) + return -ENOMEM; chip->ctl = res.start - baseres->start; chip->base = base; -- 2.7.4
WARNING: multiple messages have this Message-ID (diff)
From: Hariprasad Kelam <hariprasad.kelam@gmail.com> To: Thomas Gleixner <tglx@linutronix.de>, Jason Cooper <jason@lakedaemon.net>, Marc Zyngier <marc.zyngier@arm.com>, Marc Gonzalez <marc.w.gonzalez@free.fr>, Mans Rullgard <mans@mansr.com>, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH] irqchip/tango: Add NULL check after memory operation Date: Sun, 21 Jul 2019 23:45:36 +0530 [thread overview] Message-ID: <20190721181536.GA13450@hari-Inspiron-1545> (raw) Add NULL check after kzalloc operation. Fix below issue reported by coccicheck ./drivers/irqchip/irq-tango.c:189:1-5: alloc with no test, possible model on line 193 Signed-off-by: Hariprasad Kelam <hariprasad.kelam@gmail.com> --- drivers/irqchip/irq-tango.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/irqchip/irq-tango.c b/drivers/irqchip/irq-tango.c index 34290f0..761b9fa 100644 --- a/drivers/irqchip/irq-tango.c +++ b/drivers/irqchip/irq-tango.c @@ -187,6 +187,8 @@ static int __init tangox_irq_init(void __iomem *base, struct resource *baseres, panic("%pOFn: failed to get address", node); chip = kzalloc(sizeof(*chip), GFP_KERNEL); + if (!chip) + return -ENOMEM; chip->ctl = res.start - baseres->start; chip->base = base; -- 2.7.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next reply other threads:[~2019-07-21 18:15 UTC|newest] Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-07-21 18:15 Hariprasad Kelam [this message] 2019-07-21 18:15 ` [PATCH] irqchip/tango: Add NULL check after memory operation Hariprasad Kelam 2019-07-22 8:54 ` Måns Rullgård 2019-07-22 8:54 ` Måns Rullgård
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