Commit 71349cc8 authored by William Dean's avatar William Dean Committed by Marc Zyngier
Browse files

irqchip/mips-gic: Check the return value of ioremap() in gic_of_init() 



The function ioremap() in gic_of_init() can fail, so
its return value should be checked.

Reported-by: default avatarHacash Robot <hacashRobot@santino.com>
Signed-off-by: default avatarWilliam Dean <williamsukatube@163.com>
Signed-off-by: default avatarMarc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220723100128.2964304-1-williamsukatube@163.com
parent c904cda0

drivers/irqchip/irq-mips-gic.c

+4 −0
Original line number Diff line number Diff line
@@ -734,6 +734,10 @@ static int __init gic_of_init(struct device_node *node, 
	}



	mips_gic_base = ioremap(gic_base, gic_len);

	if (!mips_gic_base) {

		pr_err("Failed to ioremap gic_base\n");

		return -ENOMEM;

	}



	gicconfig = read_gic_config();

	gic_shared_intrs = FIELD_GET(GIC_CONFIG_NUMINTERRUPTS, gicconfig);