summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--drivers/char/tpm/tpm_tis.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c
index 6c69ad7..8a41b6b 100644
--- a/drivers/char/tpm/tpm_tis.c
+++ b/drivers/char/tpm/tpm_tis.c
@@ -84,6 +84,9 @@ static int is_itpm(struct pnp_dev *dev)
struct acpi_device *acpi = pnp_acpi_device(dev);
struct acpi_hardware_id *id;
+ if (!acpi)
+ return 0;
+
list_for_each_entry(id, &acpi->pnp.ids, list) {
if (!strcmp("INTC0102", id->id))
return 1;
OpenPOWER on IntegriCloud