diff options
| author |   José Pekkarinen <jose.pekkarinen@nokia.com> | 2015-10-09 08:42:44 +0300 |
|---|---|---|
| committer | José Pekkarinen <jose.pekkarinen@nokia.com> | 2015-10-09 08:52:35 +0300 |
| commit | fdb8b20906f3546ba6c2f9f0686d8a5189516ba3 (patch) | |
| tree | 6bb43dc8a42d6e9403763bc749f706939dd2bc60 /kernel/drivers/char/tpm/tpm_crb.c | |
| parent | cc84a1f21026270463b580f2564f9d71912b20db (diff) | |
Kernel bump from 4.1.3-rt to 4.1.7-rt.
These changes brings a vanilla kernel from kernel.org, and the patch
applied for rt is patch-4.1.7-rt8.patch. No further changes needed.
Change-Id: Id8dd03c2ddd971e4d1d69b905f3069737053b700
Signed-off-by: José Pekkarinen <jose.pekkarinen@nokia.com>
Diffstat (limited to 'kernel/drivers/char/tpm/tpm_crb.c')
| -rw-r--r-- | kernel/drivers/char/tpm/tpm_crb.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/kernel/drivers/char/tpm/tpm_crb.c b/kernel/drivers/char/tpm/tpm_crb.c index b26ceee35..126732259 100644 --- a/kernel/drivers/char/tpm/tpm_crb.c +++ b/kernel/drivers/char/tpm/tpm_crb.c @@ -233,6 +233,14 @@ static int crb_acpi_add(struct acpi_device *device) return -ENODEV; } + /* At least some versions of AMI BIOS have a bug that TPM2 table has + * zero address for the control area and therefore we must fail. + */ + if (!buf->control_area_pa) { + dev_err(dev, "TPM2 ACPI table has a zero address for the control area\n"); + return -EINVAL; + } + if (buf->hdr.length < sizeof(struct acpi_tpm2)) { dev_err(dev, "TPM2 ACPI table has wrong size"); return -EINVAL; @@ -267,7 +275,7 @@ static int crb_acpi_add(struct acpi_device *device) memcpy_fromio(&pa, &priv->cca->cmd_pa, 8); pa = le64_to_cpu(pa); - priv->cmd = devm_ioremap_nocache(dev, le64_to_cpu(pa), + priv->cmd = devm_ioremap_nocache(dev, pa, ioread32(&priv->cca->cmd_size)); if (!priv->cmd) { dev_err(dev, "ioremap of the command buffer failed\n"); @@ -276,7 +284,7 @@ static int crb_acpi_add(struct acpi_device *device) memcpy_fromio(&pa, &priv->cca->rsp_pa, 8); pa = le64_to_cpu(pa); - priv->rsp = devm_ioremap_nocache(dev, le64_to_cpu(pa), + priv->rsp = devm_ioremap_nocache(dev, pa, ioread32(&priv->cca->rsp_size)); if (!priv->rsp) { dev_err(dev, "ioremap of the response buffer failed\n"); |