diff options
Diffstat (limited to 'drivers/cxl/core/region.c')
| -rw-r--r-- | drivers/cxl/core/region.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c index d74bf1b664b6..a3bc6424f175 100644 --- a/drivers/cxl/core/region.c +++ b/drivers/cxl/core/region.c @@ -1652,6 +1652,12 @@ static int cxl_region_attach(struct cxl_region *cxlr, return -ENXIO; } + if (p->nr_targets >= p->interleave_ways) { + dev_dbg(&cxlr->dev, "region already has %d endpoints\n", + p->nr_targets); + return -EINVAL; + } + ep_port = cxled_to_port(cxled); root_port = cxlrd_to_port(cxlrd); dport = cxl_find_dport_by_dev(root_port, ep_port->host_bridge); @@ -1744,7 +1750,7 @@ static int cxl_region_attach(struct cxl_region *cxlr, if (p->nr_targets == p->interleave_ways) { rc = cxl_region_setup_targets(cxlr); if (rc) - goto err_decrement; + return rc; p->state = CXL_CONFIG_ACTIVE; } @@ -1756,12 +1762,6 @@ static int cxl_region_attach(struct cxl_region *cxlr, }; return 0; - -err_decrement: - p->nr_targets--; - cxled->pos = -1; - p->targets[pos] = NULL; - return rc; } static int cxl_region_detach(struct cxl_endpoint_decoder *cxled) |