@@ -139,6 +139,7 @@ static int hest_parse_ghes(struct acpi_h
{
struct platform_device *ghes_dev;
struct ghes_arr *ghes_arr = data;
+ unsigned int i;
int rc;
if (hest_hdr->type != ACPI_HEST_TYPE_GENERIC_ERROR)
@@ -146,6 +147,16 @@ static int hest_parse_ghes(struct acpi_h
if (!((struct acpi_hest_generic *)hest_hdr)->enabled)
return 0;
+ for (i = 0; i < ghes_arr->count; ++i) {
+ const struct acpi_hest_header *h;
+
+ h = *(void **)dev_get_platdata(&ghes_arr->ghes_devs[i]->dev);
+ if (hest_hdr->source_id == h->source_id) {
+ pr_warn("Duplicate generic error source ID %#x\n",
+ hest_hdr->source_id);
+ return -EEXIST;
+ }
+ }
ghes_dev = platform_device_alloc("GHES", hest_hdr->source_id);
if (!ghes_dev)
return -ENOMEM;