RE: [PATCH] cxl/region: Fix IS_ERR() vs NULL check

[Dan Williams <dan.j.williams@xxxxxxxxx>]

Dan Carpenter wrote:
> The nvdimm_pmem_region_create() function returns NULL on error.  It does
> not return error pointers.
> 
> Fixes: 04ad63f086d1 ("cxl/region: Introduce cxl_pmem_region objects")
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> ---
>  drivers/cxl/pmem.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/cxl/pmem.c b/drivers/cxl/pmem.c
> index e69f99a0747d..7dc0a2fa1a6b 100644
> --- a/drivers/cxl/pmem.c
> +++ b/drivers/cxl/pmem.c
> @@ -525,8 +525,8 @@ static int cxl_pmem_region_probe(struct device *dev)
>  
>  	cxlr_pmem->nd_region =
>  		nvdimm_pmem_region_create(cxl_nvb->nvdimm_bus, &ndr_desc);
> -	if (IS_ERR(cxlr_pmem->nd_region)) {
> -		rc = PTR_ERR(cxlr_pmem->nd_region);
> +	if (!cxlr_pmem->nd_region) {
> +		rc = -ENOMEM;

Thanks, applied.