[file provider] split initialize

Author: KFilipek

src/provider/provider_file_memory.c

@@ -295,6 +295,25 @@ static umf_result_t file_initialize(const void *params, void **provider) {
 
     file_provider->coarse = coarse;
 
+    *provider = file_provider;
+    return UMF_RESULT_SUCCESS;
+
+err_close_fd:
+    utils_close_fd(file_provider->fd);
+err_free_file_provider:
+    umf_ba_global_free(file_provider);
+    return ret;
+}
+
+static umf_result_t file_post_initialize(void *provider) {
+    umf_result_t ret = UMF_RESULT_SUCCESS;
+    file_memory_provider_t *file_provider = provider;
+
+    if (file_provider == NULL) {
+        LOG_ERR("file provider is NULL");
+        return UMF_RESULT_ERROR_INVALID_ARGUMENT;
+    }
+
     if (utils_mutex_init(&file_provider->lock) == NULL) {
         LOG_ERR("lock init failed");
         ret = UMF_RESULT_ERROR_UNKNOWN;
@@ -315,20 +334,14 @@ static umf_result_t file_initialize(const void *params, void **provider) {
         goto err_delete_fd_offset_map;
     }
 
-    *provider = file_provider;
-
     return UMF_RESULT_SUCCESS;
 
-err_delete_fd_offset_map:
-    critnib_delete(file_provider->fd_offset_map);
-err_mutex_destroy_not_free:
-    utils_mutex_destroy_not_free(&file_provider->lock);
 err_coarse_delete:
     coarse_delete(file_provider->coarse);
-err_close_fd:
-    utils_close_fd(file_provider->fd);
-err_free_file_provider:
-    umf_ba_global_free(file_provider);
+err_mutex_destroy_not_free:
+    utils_mutex_destroy_not_free(&file_provider->lock);
+err_delete_fd_offset_map:
+    critnib_delete(file_provider->fd_offset_map);
     return ret;
 }
 
@@ -916,12 +929,6 @@ static umf_result_t file_free(void *provider, void *ptr, size_t size) {
     return ret;
 }
 
-static umf_result_t file_post_initialize(void *provider) {
-    (void)provider;
-    // For initial version, just return success
-    return UMF_RESULT_SUCCESS;
-}
-
 static umf_memory_provider_ops_t UMF_FILE_MEMORY_PROVIDER_OPS = {
     .version = UMF_PROVIDER_OPS_VERSION_CURRENT,
     .initialize = file_initialize,