@@ -140,6 +140,7 @@ static int hest_parse_ghes(struct acpi_h
struct acpi_hest_generic *generic;
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)
@@ -147,6 +148,17 @@ static int hest_parse_ghes(struct acpi_h
generic = (struct acpi_hest_generic *)hest_hdr;
if (!generic->enabled)
return 0;
+ for (i = 0; i < ghes_arr->count; ++i) {
+ const struct acpi_hest_generic *g;
+
+ g = ghes_arr->ghes_devs[i]->dev.platform_data;
+ if (hest_hdr->source_id == g->header.source_id) {
+ printk(KERN_WARNING
+ "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;