diff options
| author | Kent Yoder <key@linux.vnet.ibm.com> | 2013-01-31 16:39:31 +0100 |
|---|---|---|
| committer | Kent Yoder <key@linux.vnet.ibm.com> | 2013-02-05 16:38:26 +0100 |
| commit | 6e38bfaad6c83bdd07eb659f9bfd50f8d71a5a46 (patch) | |
| tree | 7cdfb2a18dee73e3fcc503fbba6e8fd012ee8e8f /drivers/char/tpm | |
| parent | char/tpm/tpm_i2c_stm_st33: drop temporary variable for return value (diff) | |
| download | linux-6e38bfaad6c83bdd07eb659f9bfd50f8d71a5a46.tar.xz linux-6e38bfaad6c83bdd07eb659f9bfd50f8d71a5a46.zip | |
tpm_tis: check pnp_acpi_device return code
Reported-by: Peter Hüwe <peterhuewe@gmx.de>
Reviewed-by: Peter Huewe <peterhuewe@gmx.de>
Signed-off-by: Kent Yoder <key@linux.vnet.ibm.com>
Diffstat (limited to 'drivers/char/tpm')
| -rw-r--r-- | drivers/char/tpm/tpm_tis.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c index 6c69ad72f82f..8a41b6be23a0 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; |