};
int acpi_get_boot_usec(usec_t *loader_start, usec_t *loader_exit) {
- _cleanup_free_ char *buf;
+ _cleanup_free_ char *buf = NULL;
struct acpi_table_header *tbl;
size_t l;
struct acpi_fpdt_header *rec;
if (brec.type != ACPI_FPDT_BOOT_REC)
return -EINVAL;
+ if (brec.startup_start == 0 || brec.exit_services_exit < brec.startup_start)
+ return -EINVAL;
+ if (brec.exit_services_exit > NSEC_PER_HOUR)
+ return -EINVAL;
+
if (loader_start)
*loader_start = brec.startup_start / 1000;
if (loader_exit)