Function returns 'void __iomem *' so use IOMEM_ERR_PTR for returning an error. Signed-off-by: Tian Tao <tiantao6@xxxxxxxxxxxxx> --- drivers/char/tpm/tpm_crb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/char/tpm/tpm_crb.c b/drivers/char/tpm/tpm_crb.c index a9dcf31..1860665 100644 --- a/drivers/char/tpm/tpm_crb.c +++ b/drivers/char/tpm/tpm_crb.c @@ -464,7 +464,7 @@ static void __iomem *crb_map_res(struct device *dev, struct resource *iores, /* Detect a 64 bit address on a 32 bit system */ if (start != new_res.start) - return (void __iomem *) ERR_PTR(-EINVAL); + return IOMEM_ERR_PTR(-EINVAL); if (!iores) return devm_ioremap_resource(dev, &new_res); -- 2.7.4