diff mbox

tpm, tpm_crb: fix le64_to_cpu conversions in crb_acpi_add()

Message ID 1433851679-4317-1-git-send-email-jarkko.sakkinen@linux.intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Jarkko Sakkinen June 9, 2015, 12:07 p.m. UTC 
le64_to_cpu() was applied twice to the physical addresses read from the
control area. This hasn't shown any visible regressions because CRB
driver has been tested only on the little endian platofrms so far.

Reported-by: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
---
 drivers/char/tpm/tpm_crb.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox

Patch

diff --git a/drivers/char/tpm/tpm_crb.c b/drivers/char/tpm/tpm_crb.c
index b26ceee..44f9d20 100644
--- a/drivers/char/tpm/tpm_crb.c
+++ b/drivers/char/tpm/tpm_crb.c
@@ -267,7 +267,7 @@  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 +276,7 @@  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");