diff options
Diffstat (limited to 'drivers/char/tpm/tpm_ppi.c')
| -rw-r--r-- | drivers/char/tpm/tpm_ppi.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/char/tpm/tpm_ppi.c b/drivers/char/tpm/tpm_ppi.c index 18c5810b646b..6ac9d275b732 100644 --- a/drivers/char/tpm/tpm_ppi.c +++ b/drivers/char/tpm/tpm_ppi.c @@ -30,6 +30,9 @@ static acpi_status ppi_callback(acpi_handle handle, u32 level, void *context, acpi_status status; struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; status = acpi_get_name(handle, ACPI_FULL_PATHNAME, &buffer); + if (ACPI_FAILURE(status)) + return status; + if (strstr(buffer.pointer, context) != NULL) { *return_value = handle; kfree(buffer.pointer); |