diff options
Diffstat (limited to 'drivers/oprofile/oprof.c')
| -rw-r--r-- | drivers/oprofile/oprof.c | 21 |
1 files changed, 6 insertions, 15 deletions
diff --git a/drivers/oprofile/oprof.c b/drivers/oprofile/oprof.c index b4a685719dba..f9bda64fcd1b 100644 --- a/drivers/oprofile/oprof.c +++ b/drivers/oprofile/oprof.c @@ -225,26 +225,17 @@ post_sync: mutex_unlock(&start_mutex); } -int oprofile_set_backtrace(unsigned long val) +int oprofile_set_ulong(unsigned long *addr, unsigned long val) { - int err = 0; + int err = -EBUSY; mutex_lock(&start_mutex); - - if (oprofile_started) { - err = -EBUSY; - goto out; + if (!oprofile_started) { + *addr = val; + err = 0; } - - if (!oprofile_ops.backtrace) { - err = -EINVAL; - goto out; - } - - oprofile_backtrace_depth = val; - -out: mutex_unlock(&start_mutex); + return err; } |