Dear list,
this patch fixes a bug, that prevents the TPM chip to resume correctly from a
suspended state.
Signed-off-by: Marcel Selhorst <[EMAIL PROTECTED]>
---
--- linux-tpm/drivers/char/tpm/tpm.c 2008-01-03 20:44:43.000000000 +0100
+++ linux/drivers/char/tpm/tpm.c 2008-01-03 21:08:13.000000000 +0100
@@ -1041,7 +1041,7 @@ void tpm_remove_hardware(struct device *
}
EXPORT_SYMBOL_GPL(tpm_remove_hardware);
-static u8 savestate[] = {
+static const u8 savestate[] = {
0, 193, /* TPM_TAG_RQU_COMMAND */
0, 0, 0, 10, /* blob length (in bytes) */
0, 0, 0, 152 /* TPM_ORD_SaveState */
@@ -1053,11 +1053,13 @@ static u8 savestate[] = {
*/
int tpm_pm_suspend(struct device *dev, pm_message_t pm_state)
{
+ u8 data[max_t(int, max(ARRAY_SIZE(savestate), ARRAY_SIZE(savestate)),
10)];
struct tpm_chip *chip = dev_get_drvdata(dev);
if (chip == NULL)
return -ENODEV;
- tpm_transmit(chip, savestate, sizeof(savestate));
+ memcpy(data, savestate, sizeof(savestate));
+ tpm_transmit(chip, data, sizeof(data));
return 0;
}
EXPORT_SYMBOL_GPL(tpm_pm_suspend);
--
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