diff --git a/[refs] b/[refs]
index 60136de86286..f5438cbef931 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: b12eab1a796a306caef7046b21a76efa35f5f489
+refs/heads/master: 729419f0090601406abe714c5f8872a3bd53ff68
diff --git a/trunk/drivers/oprofile/event_buffer.c b/trunk/drivers/oprofile/event_buffer.c
index 5df60a6b6776..dd87e86048be 100644
--- a/trunk/drivers/oprofile/event_buffer.c
+++ b/trunk/drivers/oprofile/event_buffer.c
@@ -135,7 +135,7 @@ static int event_buffer_open(struct inode *inode, struct file *file)
 	 * echo 1 >/dev/oprofile/enable
 	 */
 
-	return 0;
+	return nonseekable_open(inode, file);
 
 fail:
 	dcookie_unregister(file->private_data);
@@ -205,4 +205,5 @@ const struct file_operations event_buffer_fops = {
 	.open		= event_buffer_open,
 	.release	= event_buffer_release,
 	.read		= event_buffer_read,
+	.llseek		= no_llseek,
 };