On 2024/8/20 16:42, Dan Carpenter wrote: > The devm_platform_ioremap_resource() function doesn't return NULL, it > returns error pointers. Fix the error handling to match. > > Fixes: 2333df5ae51e ("irqchip: Add RISC-V advanced PLIC driver for direct-mode") > Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> > --- > drivers/irqchip/irq-riscv-aplic-main.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/irqchip/irq-riscv-aplic-main.c b/drivers/irqchip/irq-riscv-aplic-main.c > index 28dd175b5764..981fad6fb8f7 100644 > --- a/drivers/irqchip/irq-riscv-aplic-main.c > +++ b/drivers/irqchip/irq-riscv-aplic-main.c > @@ -175,9 +175,9 @@ static int aplic_probe(struct platform_device *pdev) > > /* Map the MMIO registers */ > regs = devm_platform_ioremap_resource(pdev, 0); > - if (!regs) { > + if (IS_ERR(regs)) { > dev_err(dev, "failed map MMIO registers\n"); > - return -ENOMEM; > + return PTR_ERR(regs); LGTM Reviewed-by: Jinjie Ruan <ruanjinjie@xxxxxxxxxx> > } > > /*