diff options
Diffstat (limited to 'drivers/oprofile/oprof.c')
| -rw-r--r-- | drivers/oprofile/oprof.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/oprofile/oprof.c b/drivers/oprofile/oprof.c index 7bc64af7cf99..42c9c765f9f1 100644 --- a/drivers/oprofile/oprof.c +++ b/drivers/oprofile/oprof.c @@ -196,6 +196,7 @@ post_sync: int oprofile_set_timeout(unsigned long val_msec) { int err = 0; + unsigned long time_slice; mutex_lock(&start_mutex); @@ -209,9 +210,13 @@ int oprofile_set_timeout(unsigned long val_msec) goto out; } - timeout_jiffies = msecs_to_jiffies(val_msec); - if (timeout_jiffies == MAX_JIFFY_OFFSET) - timeout_jiffies = msecs_to_jiffies(MULTIPLEXING_TIMER_DEFAULT); + time_slice = msecs_to_jiffies(val_msec); + if (time_slice == MAX_JIFFY_OFFSET) { + err = -EINVAL; + goto out; + } + + timeout_jiffies = time_slice; out: mutex_unlock(&start_mutex); |