modules: cache: fix leaking path on error (cid #1048948)

src/modules/cache.c

@@ -362,6 +362,7 @@ size_t CacheLoad( vlc_object_t *p_this, const char *dir, module_cache_t **r )
 
     module_cache_t *cache = NULL;
     size_t count = 0;
+    char *path = NULL;
 
     for (;;)
     {
@@ -373,7 +374,6 @@ size_t CacheLoad( vlc_object_t *p_this, const char *dir, module_cache_t **r )
             goto error;
         }
 
-        char *path;
         struct stat st;
 
         /* Load common info */
@@ -385,6 +385,7 @@ size_t CacheLoad( vlc_object_t *p_this, const char *dir, module_cache_t **r )
 
         CacheAdd (&cache, &count, path, &st, module);
         free (path);
+        path = NULL;
         /* TODO: deal with errors */
     }
 
@@ -394,6 +395,7 @@ size_t CacheLoad( vlc_object_t *p_this, const char *dir, module_cache_t **r )
     return count;
 
 error:
+    free( path );
     if (ferror (file))
         msg_Err(p_this, "plugins cache read error: %s", vlc_strerror_c(errno));
     msg_Warn( p_this, "plugins cache not loaded (corrupted)" );