On Mon, Apr 28, 2025 at 11:43:04PM +0200, Robert Richter wrote:
> Remove unnecessary 'else' after return. Improves readability of code.
> It is easier to place comments. Check and fix all occurrences under
> drivers/cxl/.
>
Seeing a gap here. This claims to check and fix all occurences yet it
omits the one instance that actually triggers a static checker in
cxl_region_invalidate_memregion()
WARNING: else is not generally useful after a break or return
> Signed-off-by: Robert Richter <rrichter@amd.com>
> Reviewed-by: Gregory Price <gourry@gourry.net>
> Reviewed-by: Dave Jiang <dave.jiang@intel.com>
> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
> Reviewed-by: Davidlohr Bueso <dave@stgolabs.net>
> Reviewed-by: Alison Schofield <alison.schofield@intel.com>
> Reviewed-by: Fabio M. De Francesco <fabio.m.de.francesco@linux.intel.com>
> Tested-by: Gregory Price <gourry@gourry.net>
> ---
> drivers/cxl/core/cdat.c | 2 +-
> drivers/cxl/core/pci.c | 3 ++-
> drivers/cxl/core/region.c | 4 +++-
> 3 files changed, 6 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/cxl/core/cdat.c b/drivers/cxl/core/cdat.c
> index edb4f41eeacc..0ccef2f2a26a 100644
> --- a/drivers/cxl/core/cdat.c
> +++ b/drivers/cxl/core/cdat.c
> @@ -28,7 +28,7 @@ static u32 cdat_normalize(u16 entry, u64 base, u8 type)
> */
> if (entry == 0xffff || !entry)
> return 0;
> - else if (base > (UINT_MAX / (entry)))
> + if (base > (UINT_MAX / (entry)))
> return 0;
>
> /*
> diff --git a/drivers/cxl/core/pci.c b/drivers/cxl/core/pci.c
> index 96fecb799cbc..33c3bdd35b24 100644
> --- a/drivers/cxl/core/pci.c
> +++ b/drivers/cxl/core/pci.c
> @@ -415,7 +415,8 @@ int cxl_hdm_decode_init(struct cxl_dev_state *cxlds, struct cxl_hdm *cxlhdm,
> */
> if (global_ctrl & CXL_HDM_DECODER_ENABLE || (!hdm && info->mem_enabled))
> return devm_cxl_enable_mem(&port->dev, cxlds);
> - else if (!hdm)
> +
> + if (!hdm)
> return -ENODEV;
>
> root = to_cxl_port(port->dev.parent);
> diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c
> index 80caaf14d08a..6bbe04a532e2 100644
> --- a/drivers/cxl/core/region.c
> +++ b/drivers/cxl/core/region.c
> @@ -1940,7 +1940,9 @@ static int cxl_region_attach(struct cxl_region *cxlr,
> if (p->state > CXL_CONFIG_INTERLEAVE_ACTIVE) {
> dev_dbg(&cxlr->dev, "region already active\n");
> return -EBUSY;
> - } else if (p->state < CXL_CONFIG_INTERLEAVE_ACTIVE) {
> + }
> +
> + if (p->state < CXL_CONFIG_INTERLEAVE_ACTIVE) {
> dev_dbg(&cxlr->dev, "interleave config missing\n");
> return -ENXIO;
> }
> --
> 2.39.5
>