diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2011-01-31 15:08:43 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2011-01-31 15:09:14 +0100 |
| commit | 51563cd53c4b1c1790fccd2e0af0e2b756589af9 (patch) | |
| tree | d2fedfc654ab4fa011feaca262f95481a89e232a /drivers/char/tpm/tpm.c | |
| parent | d123375425d7df4b6081a631fc1203fceafa59b2 (diff) | |
| parent | 8161239a8bcce9ad6b537c04a1fa3b5c68bae693 (diff) | |
Merge branch 'tip/rtmutex' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into core/locking
*git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace tip/rtmutex:
rtmutex: Simplify PI algorithm and make highest prio task get lock
Diffstat (limited to 'drivers/char/tpm/tpm.c')
| -rw-r--r-- | drivers/char/tpm/tpm.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c index 1f46f1cd9225..36e0fa161c2b 100644 --- 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); |