1 files changed, 5 insertions, 2 deletions

diff --git a/drivers/oprofile/oprofile_files.c b/drivers/oprofile/oprofile_files.c
index bbd7516e0869..ccf099e684a4 100644
--- a/drivers/oprofile/oprofile_files.c
+++ b/drivers/oprofile/oprofile_files.c
@@ -79,14 +79,17 @@ static ssize_t depth_write(struct file *file, char const __user *buf, size_t cou
         if (*offset)
                 return -EINVAL;
 
+        if (!oprofile_ops.backtrace)
+                return -EINVAL;
+
         retval = oprofilefs_ulong_from_user(&val, buf, count);
         if (retval)
                 return retval;
 
-        retval = oprofile_set_backtrace(val);
-
+        retval = oprofile_set_ulong(&oprofile_backtrace_depth, val);
         if (retval)
                 return retval;
+
         return count;
 }