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authorPekka Enberg <penberg@kernel.org>2010-10-24 19:57:05 +0300
committerPekka Enberg <penberg@kernel.org>2010-10-24 19:57:05 +0300
commit6d4121f6c20a0e86231d52f535f1c82423b3326f (patch)
tree5c235cac699ca86b504850aa663ddadde0455a61 /drivers/oprofile/oprof.c
parent92a5bbc11ff2442a54b2f1d313088c245828ef4e (diff)
parent35da7a307c535f9c2929cae277f3df425c9f9b1e (diff)
Merge branch 'master' into for-linus
Conflicts: include/linux/percpu.h mm/percpu.c
Diffstat (limited to 'drivers/oprofile/oprof.c')
-rw-r--r--drivers/oprofile/oprof.c32
1 files changed, 8 insertions, 24 deletions
diff --git a/drivers/oprofile/oprof.c b/drivers/oprofile/oprof.c
index b336cd9ee7a..f9bda64fcd1 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_ops.backtrace) {
- err = -EINVAL;
- goto out;
+ if (!oprofile_started) {
+ *addr = val;
+ err = 0;
}
-
- oprofile_backtrace_depth = val;
-
-out:
mutex_unlock(&start_mutex);
+
return err;
}
@@ -257,16 +248,9 @@ static int __init oprofile_init(void)
printk(KERN_INFO "oprofile: using timer interrupt.\n");
err = oprofile_timer_init(&oprofile_ops);
if (err)
- goto out_arch;
+ return err;
}
- err = oprofilefs_register();
- if (err)
- goto out_arch;
- return 0;
-
-out_arch:
- oprofile_arch_exit();
- return err;
+ return oprofilefs_register();
}