diff options
| -rw-r--r-- | drivers/char/tpm/tpm_acpi.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/char/tpm/tpm_acpi.c b/drivers/char/tpm/tpm_acpi.c index a1bb5a182df9..fe3fa9431dc9 100644 --- a/drivers/char/tpm/tpm_acpi.c +++ b/drivers/char/tpm/tpm_acpi.c @@ -96,6 +96,11 @@ int read_log(struct tpm_bios_log *log) log->bios_event_log_end = log->bios_event_log + len; virt = acpi_os_map_memory(start, len); + if (!virt) { + kfree(log->bios_event_log); + printk("%s: ERROR - Unable to map memory\n", __func__); + return -EIO; + } memcpy(log->bios_event_log, virt, len); |