On Fri, 22 Jul 2022 10:10:08 +0100, williamsukatube@xxxxxxx wrote: > > From: William Dean <williamsukatube@xxxxxxxxx> > > The function ioremap() in gic_of_init() can fail, so > its return value should be checked. > > Fixes: 4bdc0d676a643 ("remove ioremap_nocache and devm_ioremap_nocache") Erm... No. The issue was definitely there before (just look at the patch you quote here). > Reported-by: Hacash Robot <hacashRobot@xxxxxxxxxxx> > Signed-off-by: William Dean <williamsukatube@xxxxxxxxx> If sending from a different address, please add a SoB that matches the address you are using. > --- > drivers/irqchip/irq-mips-gic.c | 4 ++++ > 1 file changed, 4 insertions(+) > > 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); Thanks, M. -- Without deviation from the norm, progress is not possible.