From 29e8668e510ba042ec2c076f269b914e7c7d173f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=81lvaro=20Felipe=20Melchor?= <alvaro.felipe91@gmail.com>
Date: Thu, 21 May 2015 21:30:28 +0200
Subject: [PATCH] Fix a NULL dereference

---
 libr/anal/anal_ex.c | 9 +++++----
 libr/anal/switch.c  | 1 +
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/libr/anal/anal_ex.c b/libr/anal/anal_ex.c
index f35278f8f5..b09e52b30f 100644
--- a/libr/anal/anal_ex.c
+++ b/libr/anal/anal_ex.c
@@ -110,15 +110,16 @@ R_API void r_anal_ex_clone_op_switch_to_bb (RAnalBlock *bb, RAnalOp *op) {
 	RListIter *iter;
 	RAnalCaseOp *caseop = NULL;
 
-	if ( op->switch_op ) {
+	if (op->switch_op) {
 
 		bb->switch_op = r_anal_switch_op_new (op->switch_op->addr,
 											op->switch_op->min_val,
 											op->switch_op->max_val);
-
-		r_list_foreach (op->switch_op->cases, iter, caseop) {
-			r_anal_switch_op_add_case (bb->switch_op, caseop->addr,
+		if (bb->switch_op){
+			r_list_foreach (op->switch_op->cases, iter, caseop) {
+				r_anal_switch_op_add_case (bb->switch_op, caseop->addr,
 													caseop->value, caseop->jump);
+			}
 		}
 	}
 }
diff --git a/libr/anal/switch.c b/libr/anal/switch.c
index 55cebad07e..a9aa57829c 100644
--- a/libr/anal/switch.c
+++ b/libr/anal/switch.c
@@ -3,6 +3,7 @@
 
 RAnalSwitchOp *switch_op_new() {
 	RAnalSwitchOp * swop = R_NEW0 (RAnalSwitchOp);
+	if (!swop) return NULL;
 	swop->cases = r_list_new ();
 	swop->cases->free = (void *)free;
 	swop->min_val = swop->def_val = swop->max_val = 0;