From e34ec3d5940bccaa1ea41a35671e03d2f1449171 Mon Sep 17 00:00:00 2001
From: TapTap <taptap.programming@gmail.com>
Date: Tue, 21 Jul 2026 14:32:04 +0200
Subject: [PATCH] =?UTF-8?q?fix:=20address=20review=20findings=20=E2=80=94?=
 =?UTF-8?q?=20receive=5Fdelta=5Ffile=20STATUS=5FERROR=20on=20early=20retur?=
 =?UTF-8?q?ns?=
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---
 src/shared/file.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/shared/file.c b/src/shared/file.c
index e7c43bc..c36066e 100644
--- a/src/shared/file.c
+++ b/src/shared/file.c
@@ -162,17 +162,21 @@ static void* old_data_from_path(const char* full_path, unsigned long long old_si
 
 static File* receive_delta_file(int fd, const Config* config, const char* check_path,
                                 void* old_data, unsigned long long old_size) {
-  if (!old_data)
+  if (!old_data) {
+    send_status(fd, STATUS_ERROR);
     return NULL;
+  }
 
   DeltaSignature* sig = delta_signature_create(old_data, old_size, config->delta_block_size);
   if (!sig) {
+    send_status(fd, STATUS_ERROR);
     free(old_data);
     return NULL;
   }
 
   Data* sig_data = delta_signature_serialize(sig);
   if (!sig_data) {
+    send_status(fd, STATUS_ERROR);
     delta_signature_destroy(sig);
     free(old_data);
     return NULL;