diff options
| author | William Dean <williamsukatube@163.com> | 2022-07-23 12:01:28 +0200 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2022-07-24 11:54:44 +0200 |
| commit | 71349cc85e5930dce78ed87084dee098eba24b59 (patch) | |
| tree | 21e35fc3bc82816180fe9813dd342140a6e752ba | |
| parent | genirq: Use for_each_action_of_desc in actions_show() (diff) | |
| download | linux-71349cc85e5930dce78ed87084dee098eba24b59.tar.xz linux-71349cc85e5930dce78ed87084dee098eba24b59.zip | |
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: Hacash Robot <hacashRobot@santino.com>
Signed-off-by: William Dean <williamsukatube@163.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220723100128.2964304-1-williamsukatube@163.com
| -rw-r--r-- | drivers/irqchip/irq-mips-gic.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c index ff89b36267dd..a1f6d955794a 100644 --- a/drivers/irqchip/irq-mips-gic.c +++ b/drivers/irqchip/irq-mips-gic.c @@ -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); |