X-Git-Url: http://git.cascardo.eti.br/?a=blobdiff_plain;f=drivers%2Foprofile%2Foprofile_files.c;h=ccf099e684a46e90e53bcb17ad72536cdc42a4de;hb=7df01d96b295e400167e78061b81d4c91630b12d;hp=bbd7516e0869461c141659004580d509ec5e97a5;hpb=25472b880c69c0daa485c4f80a6550437ed1149f;p=cascardo%2Flinux.git

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;
 }