do not assign in conditional statements

Source/Core/Common/FileUtil.cpp

@@ -631,9 +631,9 @@ void CopyDir(const std::string& source_path, const std::string& dest_path)
 // Returns the current directory
 std::string GetCurrentDir()
 {
-  char* dir;
   // Get the current working directory (getcwd uses malloc)
-  if (!(dir = __getcwd(nullptr, 0)))
+  char* dir = __getcwd(nullptr, 0);
+  if (!dir)
   {
     ERROR_LOG(COMMON, "GetCurrentDirectory failed: %s", GetLastErrorMsg().c_str());
     return nullptr;

Source/Core/Common/GL/GLInterface/WGL.cpp

@@ -248,8 +248,8 @@ bool cInterfaceWGL::Create(void* window_handle, bool core)
     return false;
   }
 
-  int pixel_format;
-  if (!(pixel_format = ChoosePixelFormat(m_dc, &pfd)))
+  int pixel_format = ChoosePixelFormat(m_dc, &pfd);
+  if (!pixel_format)
   {
     PanicAlert("(2) Can't find a suitable PixelFormat.");
     return false;
@@ -261,7 +261,8 @@ bool cInterfaceWGL::Create(void* window_handle, bool core)
     return false;
   }
 
-  if (!(m_rc = wglCreateContext(m_dc)))
+  m_rc = wglCreateContext(m_dc);
+  if (!m_rc)
   {
     PanicAlert("(4) Can't create an OpenGL rendering context.");
     return false;

Source/Core/Core/ARDecrypt.cpp

@@ -471,7 +471,8 @@ void DecryptARCode(std::vector<std::string> vCodes, std::vector<AREntry>* ops)
     std::transform(s.begin(), s.end(), s.begin(), toupper);
   }
 
-  if ((ret = alphatobin(uCodes, vCodes, (int)vCodes.size())))
+  ret = alphatobin(uCodes, vCodes, (int)vCodes.size());
+  if (ret)
   {
     // Return value is index + 1, 0 being the success flag value.
     PanicAlertT("Action Replay Code Decryption Error:\nParity Check Failed\n\nCulprit Code:\n%s",

Source/Core/DolphinWX/Debugger/CodeWindowFunctions.cpp

@@ -146,11 +146,12 @@ void CCodeWindow::OnProfilerMenu(wxCommandEvent& event)
       File::CreateFullPath(filename);
       Profiler::WriteProfileResults(filename);
 
-      wxFileType* filetype = nullptr;
-      if (!(filetype = wxTheMimeTypesManager->GetFileTypeFromExtension("txt")))
+      wxFileType* filetype = wxTheMimeTypesManager->GetFileTypeFromExtension("txt");
+      if (!filetype)
       {
         // From extension failed, trying with MIME type now
-        if (!(filetype = wxTheMimeTypesManager->GetFileTypeFromMimeType("text/plain")))
+        filetype = wxTheMimeTypesManager->GetFileTypeFromMimeType("text/plain");
+        if (!filetype)
           // MIME type failed, aborting mission
           break;
       }

Source/Core/InputCommon/GCAdapter.cpp

@@ -266,27 +266,26 @@ static bool CheckDeviceAccess(libusb_device* device)
       }
       return false;
     }
-    else if ((ret = libusb_kernel_driver_active(s_handle, 0)) == 1)
+    else
     {
-      if ((ret = libusb_detach_kernel_driver(s_handle, 0)) && ret != LIBUSB_ERROR_NOT_SUPPORTED)
+      ret = libusb_kernel_driver_active(s_handle, 0);
+      if (ret == 1)
       {
-        ERROR_LOG(SERIALINTERFACE, "libusb_detach_kernel_driver failed with error: %d", ret);
+        ret = libusb_detach_kernel_driver(s_handle, 0);
+        if (ret != 0 && ret != LIBUSB_ERROR_NOT_SUPPORTED)
+          ERROR_LOG(SERIALINTERFACE, "libusb_detach_kernel_driver failed with error: %d", ret);
       }
     }
     // this split is needed so that we don't avoid claiming the interface when
     // detaching the kernel driver is successful
     if (ret != 0 && ret != LIBUSB_ERROR_NOT_SUPPORTED)
-    {
       return false;
-    }
-    else if ((ret = libusb_claim_interface(s_handle, 0)))
-    {
+
+    ret = libusb_claim_interface(s_handle, 0);
+    if (ret)
       ERROR_LOG(SERIALINTERFACE, "libusb_claim_interface failed with error: %d", ret);
-    }
     else
-    {
       return true;
-    }
   }
   return false;
 }

Source/Core/VideoCommon/AVIDump.cpp

@@ -159,8 +159,9 @@ bool AVIDump::CreateVideoFile()
 
   const AVCodec* codec = nullptr;
 
-  if (!(codec = avcodec_find_encoder(codec_id)) ||
-      !(s_codec_context = avcodec_alloc_context3(codec)))
+  codec = avcodec_find_encoder(codec_id);
+  s_codec_context = avcodec_alloc_context3(codec);
+  if (!codec || !s_codec_context)
   {
     ERROR_LOG(VIDEO, "Could not find encoder or allocate codec context");
     return false;
@@ -203,8 +204,8 @@ bool AVIDump::CreateVideoFile()
     return false;
 #endif
 
-  if (!(s_stream = avformat_new_stream(s_format_context, codec)) ||
-      !AVStreamCopyContext(s_stream, s_codec_context))
+  s_stream = avformat_new_stream(s_format_context, codec);
+  if (!s_stream || !AVStreamCopyContext(s_stream, s_codec_context))
   {
     ERROR_LOG(VIDEO, "Could not create stream");
     return false;
@@ -299,9 +300,10 @@ void AVIDump::AddFrame(const u8* data, int width, int height, int stride, const
   s_src_frame->height = s_height;
 
   // Convert image from {BGR24, RGBA} to desired pixel format
-  if ((s_sws_context =
-           sws_getCachedContext(s_sws_context, width, height, s_pix_fmt, s_width, s_height,
-                                s_codec_context->pix_fmt, SWS_BICUBIC, nullptr, nullptr, nullptr)))
+  s_sws_context =
+      sws_getCachedContext(s_sws_context, width, height, s_pix_fmt, s_width, s_height,
+                           s_codec_context->pix_fmt, SWS_BICUBIC, nullptr, nullptr, nullptr);
+  if (s_sws_context)
   {
     sws_scale(s_sws_context, s_src_frame->data, s_src_frame->linesize, 0, height,
               s_scaled_frame->data, s_scaled_frame->linesize);