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Merge branch 'next' of git://selinuxproject.org/~jmorris/linux-security
[pandora-kernel.git]
/
drivers
/
char
/
tpm
/
tpm.c
diff --git
a/drivers/char/tpm/tpm.c
b/drivers/char/tpm/tpm.c
index
9ca5c02
..
361a1df
100644
(file)
--- a/
drivers/char/tpm/tpm.c
+++ b/
drivers/char/tpm/tpm.c
@@
-966,6
+966,9
@@
ssize_t tpm_show_durations(struct device *dev, struct device_attribute *attr,
{
struct tpm_chip *chip = dev_get_drvdata(dev);
+ if (chip->vendor.duration[TPM_LONG] == 0)
+ return 0;
+
return sprintf(buf, "%d %d %d [%s]\n",
jiffies_to_usecs(chip->vendor.duration[TPM_SHORT]),
jiffies_to_usecs(chip->vendor.duration[TPM_MEDIUM]),