@@ -402,40 +402,42 @@ int acpi_ghes_record_errors(uint8_t source_id, uint64_t physical_address)
start_addr = le64_to_cpu(ags->ghes_addr_le);
- if (physical_address) {
+ if (!physical_address) {
+ return -1;
+ }
- if (source_id < ACPI_GHES_ERROR_SOURCE_COUNT) {
- start_addr += source_id * sizeof(uint64_t);
- }
+ if (source_id < ACPI_GHES_ERROR_SOURCE_COUNT) {
+ start_addr += source_id * sizeof(uint64_t);
+ }
- cpu_physical_memory_read(start_addr, &error_block_addr,
- sizeof(error_block_addr));
+ cpu_physical_memory_read(start_addr, &error_block_addr,
+ sizeof(error_block_addr));
- error_block_addr = le64_to_cpu(error_block_addr);
+ error_block_addr = le64_to_cpu(error_block_addr);
- read_ack_register_addr = start_addr +
- ACPI_GHES_ERROR_SOURCE_COUNT * sizeof(uint64_t);
+ read_ack_register_addr = start_addr +
+ ACPI_GHES_ERROR_SOURCE_COUNT * sizeof(uint64_t);
- cpu_physical_memory_read(read_ack_register_addr,
- &read_ack_register, sizeof(read_ack_register));
+ cpu_physical_memory_read(read_ack_register_addr,
+ &read_ack_register, sizeof(read_ack_register));
- /* zero means OSPM does not acknowledge the error */
- if (!read_ack_register) {
- error_report("OSPM does not acknowledge previous error,"
- " so can not record CPER for current error anymore");
- } else if (error_block_addr) {
- read_ack_register = cpu_to_le64(0);
- /*
- * Clear the Read Ack Register, OSPM will write it to 1 when
- * it acknowledges this error.
- */
- cpu_physical_memory_write(read_ack_register_addr,
- &read_ack_register, sizeof(uint64_t));
+ /* zero means OSPM does not acknowledge the error */
+ if (!read_ack_register) {
+ error_report("OSPM does not acknowledge previous error,"
+ " so can not record CPER for current error anymore");
+ } else if (error_block_addr) {
+ read_ack_register = cpu_to_le64(0);
+ /*
+ * Clear the Read Ack Register, OSPM will write it to 1 when
+ * it acknowledges this error.
+ */
+ cpu_physical_memory_write(read_ack_register_addr,
+ &read_ack_register, sizeof(uint64_t));
- ret = acpi_ghes_record_mem_error(error_block_addr,
- physical_address);
- } else
- error_report("can not find Generic Error Status Block");
+ ret = acpi_ghes_record_mem_error(error_block_addr,
+ physical_address);
+ } else {
+ error_report("can not find Generic Error Status Block");
}
return ret;