diff options
Diffstat (limited to 'drivers/oprofile/oprof.c')
| -rw-r--r-- | drivers/oprofile/oprof.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/oprofile/oprof.c b/drivers/oprofile/oprof.c index cd375907f26..ced39f60229 100644 --- a/drivers/oprofile/oprof.c +++ b/drivers/oprofile/oprof.c @@ -23,7 +23,7 @@ struct oprofile_operations oprofile_ops; unsigned long oprofile_started; -unsigned long backtrace_depth; +unsigned long oprofile_backtrace_depth; static unsigned long is_setup; static DEFINE_MUTEX(start_mutex); @@ -172,7 +172,7 @@ int oprofile_set_backtrace(unsigned long val) goto out; } - backtrace_depth = val; + oprofile_backtrace_depth = val; out: mutex_unlock(&start_mutex); @@ -183,6 +183,10 @@ static int __init oprofile_init(void) { int err; + err = buffer_sync_init(); + if (err) + return err; + err = oprofile_arch_init(&oprofile_ops); if (err < 0 || timer) { @@ -191,8 +195,10 @@ static int __init oprofile_init(void) } err = oprofilefs_register(); - if (err) + if (err) { oprofile_arch_exit(); + buffer_sync_cleanup(); + } return err; } @@ -202,6 +208,7 @@ static void __exit oprofile_exit(void) { oprofilefs_unregister(); oprofile_arch_exit(); + buffer_sync_cleanup(); } |