From c12002b63625021ba345bb2cd9d1f21bed9a2c5d Mon Sep 17 00:00:00 2001
From: Richard Meadows <richardeoin@gmail.com>
Date: Fri, 16 Jan 2015 21:52:19 +0000
Subject: [PATCH] Check target_attach succeeded in vRun command, and return
 error if not

---
 src/gdb_main.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/gdb_main.c b/src/gdb_main.c
index dc56a59..83ceeff 100644
--- a/src/gdb_main.c
+++ b/src/gdb_main.c
@@ -406,8 +406,13 @@ handle_v_packet(char *packet, int plen)
 		} else if(last_target) {
 			cur_target = target_attach(last_target,
 						gdb_target_destroy_callback);
-			target_reset(cur_target);
-			gdb_putpacketz("T05");
+
+                        /* If we were able to attach to the target again */
+                        if (cur_target) {
+                        	target_reset(cur_target);
+                                gdb_putpacketz("T05");
+                        } else  gdb_putpacketz("E01");
+
 		} else	gdb_putpacketz("E01");
 
 	} else if (sscanf(packet, "vFlashErase:%08lx,%08lx", &addr, &len) == 2) {