diff options
| -rw-r--r-- | drivers/cxl/core/hdm.c | 24 |
1 files changed, 8 insertions, 16 deletions
diff --git a/drivers/cxl/core/hdm.c b/drivers/cxl/core/hdm.c index 4a578092377e..874a791f8292 100644 --- a/drivers/cxl/core/hdm.c +++ b/drivers/cxl/core/hdm.c @@ -382,35 +382,27 @@ int cxl_dpa_free(struct cxl_endpoint_decoder *cxled) { struct cxl_port *port = cxled_to_port(cxled); struct device *dev = &cxled->cxld.dev; - int rc; - down_write(&cxl_dpa_rwsem); - if (!cxled->dpa_res) { - rc = 0; - goto out; - } + guard(rwsem_write)(&cxl_dpa_rwsem); + if (!cxled->dpa_res) + return 0; if (cxled->cxld.region) { dev_dbg(dev, "decoder assigned to: %s\n", dev_name(&cxled->cxld.region->dev)); - rc = -EBUSY; - goto out; + return -EBUSY; } if (cxled->cxld.flags & CXL_DECODER_F_ENABLE) { dev_dbg(dev, "decoder enabled\n"); - rc = -EBUSY; - goto out; + return -EBUSY; } if (cxled->cxld.id != port->hdm_end) { dev_dbg(dev, "expected decoder%d.%d\n", port->id, port->hdm_end); - rc = -EBUSY; - goto out; + return -EBUSY; } + devm_cxl_dpa_release(cxled); - rc = 0; -out: - up_write(&cxl_dpa_rwsem); - return rc; + return 0; } int cxl_dpa_set_mode(struct cxl_endpoint_decoder *cxled, |