[PATCH] irqchip/tango: Add NULL check after memory operation
From: Hariprasad Kelam <hidden>
Date: 2019-07-21 18:15:44
Also in:
lkml
Subsystem:
irqchip drivers, the rest · Maintainers:
Thomas Gleixner, Linus Torvalds
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 <redacted> --- 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
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