Lua_ext: fix race condition.

diff --git a/modules/misc/lua/extension_thread.c b/modules/misc/lua/extension_thread.c
index 024949def8a104d2cdf22b0b4d1b5c94ac78d00b..397ddf95889111271fd678bfed849dcbedfec63f 100644 (file)
--- a/modules/misc/lua/extension_thread.c
+++ b/modules/misc/lua/extension_thread.c
@@ -392,6 +392,7 @@ static void* Run( void *data )
             }
         }
 
+        vlc_mutex_lock( &p_ext->p_sys->command_lock );
         if( cmd )
         {
             p_ext->p_sys->command = cmd->next;
@@ -399,7 +400,6 @@ static void* Run( void *data )
             FreeCommands( cmd );
         }
 
-        vlc_mutex_lock( &p_ext->p_sys->command_lock );
         if( !p_ext->p_sys->b_exiting && !p_ext->p_sys->command )
         {
             vlc_cond_wait( &p_ext->p_sys->wait, &p_ext->p_sys->command_lock );