Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzi...

[pandora-kernel.git] / drivers / char / tpm / tpm.c

diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c
index 1f46f1c..36e0fa1 100644 (file)
--- a/drivers/char/tpm/tpm.c
+++ b/drivers/char/tpm/tpm.c
@@ -364,12 +364,14 @@ unsigned long tpm_calc_ordinal_duration(struct tpm_chip *chip,
                    tpm_protected_ordinal_duration[ordinal &
                                                   TPM_PROTECTED_ORDINAL_MASK];
 
-       if (duration_idx != TPM_UNDEFINED)
+       if (duration_idx != TPM_UNDEFINED) {
                duration = chip->vendor.duration[duration_idx];
-       if (duration <= 0)
+               /* if duration is 0, it's because chip->vendor.duration wasn't */
+               /* filled yet, so we set the lowest timeout just to give enough */
+               /* time for tpm_get_timeouts() to succeed */
+               return (duration <= 0 ? HZ : duration);
+       } else
                return 2 * 60 * HZ;
-       else
-               return duration;
 }
 EXPORT_SYMBOL_GPL(tpm_calc_ordinal_duration);