move buflib_free invalid handle check to the function

allow buflib_free to check for invalid or already freed handles
within the function -- remove all the invalid handle guards thru core_free

Change-Id: Ibdcbc82760fc93b674c42283fca420d94907df8e

1 files changed, 2 insertions, 4 deletions

diff --git a/apps/plugin.c b/apps/plugin.c
index 888a9e109c..4016040c5a 100644
--- a/apps/plugin.c
+++ b/apps/plugin.c
@@ -839,8 +839,7 @@ int plugin_load(const char* plugin, const void* parameter)
         }
         lc_close(current_plugin_handle);
         current_plugin_handle = pfn_tsr_exit = NULL;
-        if (plugin_buffer_handle > 0)
-            plugin_buffer_handle = core_free(plugin_buffer_handle);
+        plugin_buffer_handle = core_free(plugin_buffer_handle);
     }
 
     splash(0, ID2P(LANG_WAIT));
@@ -921,8 +920,7 @@ int plugin_load(const char* plugin, const void* parameter)
     {   /* close handle if plugin is no tsr one */
         lc_close(current_plugin_handle);
         current_plugin_handle = NULL;
-        if (plugin_buffer_handle > 0)
-            plugin_buffer_handle = core_free(plugin_buffer_handle);
+        plugin_buffer_handle = core_free(plugin_buffer_handle);
     }
 
     talk_buffer_set_policy(TALK_BUFFER_DEFAULT);