Bluetooth: Refactor mgmt_pending_foreach

This patch does a trivial refactor in mgmt_pending_foreach function.
It replaces list_for_each_safe by list_for_each_entry_safe, simplifying
the function.

Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 3bd4c41..39395c7 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -760,13 +760,9 @@
 					    void *data),
 				 void *data)
 {
-	struct list_head *p, *n;
+	struct pending_cmd *cmd, *tmp;
 
-	list_for_each_safe(p, n, &hdev->mgmt_pending) {
-		struct pending_cmd *cmd;
-
-		cmd = list_entry(p, struct pending_cmd, list);
-
+	list_for_each_entry_safe(cmd, tmp, &hdev->mgmt_pending, list) {
 		if (opcode > 0 && cmd->opcode != opcode)
 			continue;