Merge tag 'tpm-fixes-for-4.2-rc2' of https://github.com/PeterHuewe/linux-tpmdd into for-linus
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commit
91ef5ccd54
2 changed files with 10 additions and 1 deletions
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@ -129,8 +129,9 @@ struct tpm_chip *tpmm_chip_alloc(struct device *dev,
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device_initialize(&chip->dev);
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chip->cdev.owner = chip->pdev->driver->owner;
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cdev_init(&chip->cdev, &tpm_fops);
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chip->cdev.owner = chip->pdev->driver->owner;
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chip->cdev.kobj.parent = &chip->dev.kobj;
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return chip;
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}
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@ -233,6 +233,14 @@ static int crb_acpi_add(struct acpi_device *device)
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return -ENODEV;
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}
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/* At least some versions of AMI BIOS have a bug that TPM2 table has
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* zero address for the control area and therefore we must fail.
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*/
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if (!buf->control_area_pa) {
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dev_err(dev, "TPM2 ACPI table has a zero address for the control area\n");
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return -EINVAL;
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}
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if (buf->hdr.length < sizeof(struct acpi_tpm2)) {
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dev_err(dev, "TPM2 ACPI table has wrong size");
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return -EINVAL;
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