From bc74da90dc7fee995101e4c6a86b8b8ebde930d0 Mon Sep 17 00:00:00 2001
From: Maschell <Maschell@gmx.de>
Date: Thu, 28 Jul 2022 12:54:31 +0200
Subject: [PATCH] Properly check write results

---
 source/fs/WUXFileWriter.cpp          | 2 +-
 source/fs/WriteOnlyFileWithCache.cpp | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/source/fs/WUXFileWriter.cpp b/source/fs/WUXFileWriter.cpp
index 15482c2..e15a121 100644
--- a/source/fs/WUXFileWriter.cpp
+++ b/source/fs/WUXFileWriter.cpp
@@ -76,7 +76,7 @@ int32_t WUXFileWriter::writeSector(const uint8_t *buffer, uint32_t numberOfSecto
             indexTable[this->currentSector] = swap_uint32(this->writtenSector);
             hashMap[hashOut]                = writtenSector;
             if (isOpen()) {
-                if (!write((uint8_t *) addr, this->sectorSize)) {
+                if (write((uint8_t *) addr, this->sectorSize) != this->sectorSize) {
                     DEBUG_FUNCTION_LINE_ERR("Write failed");
                     return -1;
                 }
diff --git a/source/fs/WriteOnlyFileWithCache.cpp b/source/fs/WriteOnlyFileWithCache.cpp
index 4379c7e..62ecb3f 100644
--- a/source/fs/WriteOnlyFileWithCache.cpp
+++ b/source/fs/WriteOnlyFileWithCache.cpp
@@ -45,7 +45,7 @@ WriteOnlyFileWithCache::~WriteOnlyFileWithCache() {
 bool WriteOnlyFileWithCache::flush() {
     if (this->writeBufferPos > 0) {
         int32_t res = CFile::write(static_cast<const uint8_t *>(this->writeBuffer), this->writeBufferPos);
-        if (res < 0) {
+        if (res != this->writeBufferPos) {
             DEBUG_FUNCTION_LINE_ERR("Failed to flush cache, write failed: %d (expected %d)", res, this->writeBufferPos);
             return false;
         }