[PATCH] sim: Call freeargv() when failure occurs

[Chen Gang S <gang.chen@sunrus.com.cn>]

After successfully call buildargv(), the code need to be sure of calling
freeargv() in any cases.

2015-01-31  Chen Gang <gang.chen.5i5j@gmail.com>

       * common/sim-options.c (sim_args_command): Call freeargv() when
       failure occurs.
---
 sim/ChangeLog            | 5 +++++
 sim/common/sim-options.c | 5 ++++-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/sim/ChangeLog b/sim/ChangeLog
index 03c244b..7153c6a 100644
--- a/sim/ChangeLog
+++ b/sim/ChangeLog
@@ -1,3 +1,8 @@
+2014-01-31  Chen Gang <gang.chen.5i5j@gmail.com>
+
+	* common/sim-options.c (sim_args_command): Call freeargv() when
+	failure occurs.
+
 2014-07-01  Chen Gang <gang.chen.5i5j@gmail.com>
 
 	* sim/microblaze/interp.c: Use long int format instead of int
diff --git a/sim/common/sim-options.c b/sim/common/sim-options.c
index c49220e..814edcf 100644
--- a/sim/common/sim-options.c
+++ b/sim/common/sim-options.c
@@ -993,7 +993,10 @@ sim_args_command (SIM_DESC sd, const char *cmd)
       sim_cpu *cpu;
 
       if (argv [0] == NULL)
-	return SIM_RC_OK; /* FIXME - perhaps help would be better */
+	{
+	  freeargv (argv);
+	  return SIM_RC_OK; /* FIXME - perhaps help would be better */
+	}
 
       /* First check for a cpu selector.  */
       {
-- 
1.9.3