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tpm_tis: check pnp_acpi_device return code

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Reported-by: Peter Hüwe <peterhuewe@gmx.de>
Reviewed-by: Peter Huewe <peterhuewe@gmx.de>
Signed-off-by: Kent Yoder <key@linux.vnet.ibm.com>
This commit is contained in:
Kent Yoder 2013-01-31 09:39:31 -06:00
parent 7333549bf4
commit 6e38bfaad6
1 changed files with 3 additions and 0 deletions
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drivers/char/tpm/tpm_tis.c
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@ -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;