summaryrefslogtreecommitdiff
path: root/drivers/cxl
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/cxl')
-rw-r--r--drivers/cxl/core/cdat.c6
-rw-r--r--drivers/cxl/core/pci.c8
2 files changed, 10 insertions, 4 deletions
diff --git a/drivers/cxl/core/cdat.c b/drivers/cxl/core/cdat.c
index 08fd0baea7a0..c8737e480789 100644
--- a/drivers/cxl/core/cdat.c
+++ b/drivers/cxl/core/cdat.c
@@ -149,13 +149,13 @@ static int cxl_cdat_endpoint_process(struct cxl_port *port,
int rc;
rc = cdat_table_parse(ACPI_CDAT_TYPE_DSMAS, cdat_dsmas_handler,
- dsmas_xa, port->cdat.table);
+ dsmas_xa, port->cdat.table, port->cdat.length);
rc = cdat_table_parse_output(rc);
if (rc)
return rc;
rc = cdat_table_parse(ACPI_CDAT_TYPE_DSLBIS, cdat_dslbis_handler,
- dsmas_xa, port->cdat.table);
+ dsmas_xa, port->cdat.table, port->cdat.length);
return cdat_table_parse_output(rc);
}
@@ -477,7 +477,7 @@ void cxl_switch_parse_cdat(struct cxl_port *port)
return;
rc = cdat_table_parse(ACPI_CDAT_TYPE_SSLBIS, cdat_sslbis_handler,
- port, port->cdat.table);
+ port, port->cdat.table, port->cdat.length);
rc = cdat_table_parse_output(rc);
if (rc)
dev_dbg(&port->dev, "Failed to parse SSLBIS: %d\n", rc);
diff --git a/drivers/cxl/core/pci.c b/drivers/cxl/core/pci.c
index 184deff887d0..0df09bd79408 100644
--- a/drivers/cxl/core/pci.c
+++ b/drivers/cxl/core/pci.c
@@ -623,7 +623,7 @@ void read_cdat_data(struct cxl_port *port)
struct pci_dev *pdev = NULL;
struct cxl_memdev *cxlmd;
struct cdat_doe_rsp *buf;
- size_t length;
+ size_t table_length, length;
int rc;
if (is_cxl_memdev(uport)) {
@@ -662,10 +662,16 @@ void read_cdat_data(struct cxl_port *port)
if (!buf)
goto err;
+ table_length = length;
+
rc = cxl_cdat_read_table(dev, doe_mb, buf, &length);
if (rc)
goto err;
+ if (table_length != length)
+ dev_warn(dev, "Malformed CDAT table length (%zu:%zu), discarding trailing data\n",
+ table_length, length);
+
if (cdat_checksum(buf->data, length))
goto err;