wintrust: Return error directly from SOFTPUB_GetFileSubject.

dlls/wintrust/softpub.c

@@ -104,26 +104,24 @@ static DWORD SOFTPUB_OpenFile(CRYPT_PROVIDER_DATA *data)
 /* Assumes data->pWintrustData->u.pFile exists.  Sets data->pPDSip->gSubject to
  * the file's subject GUID.
  */
-static BOOL SOFTPUB_GetFileSubject(CRYPT_PROVIDER_DATA *data)
+static DWORD SOFTPUB_GetFileSubject(CRYPT_PROVIDER_DATA *data)
 {
-    BOOL ret;
+    DWORD err = ERROR_SUCCESS;
 
     if (!WVT_ISINSTRUCT(WINTRUST_FILE_INFO,
      data->pWintrustData->u.pFile->cbStruct, pgKnownSubject) ||
      !data->pWintrustData->u.pFile->pgKnownSubject)
     {
-        ret = CryptSIPRetrieveSubjectGuid(
+        if (!CryptSIPRetrieveSubjectGuid(
          data->pWintrustData->u.pFile->pcwszFilePath,
          data->pWintrustData->u.pFile->hFile,
-         &data->u.pPDSip->gSubject);
+         &data->u.pPDSip->gSubject))
+            err = GetLastError();
     }
     else
-    {
         data->u.pPDSip->gSubject = *data->pWintrustData->u.pFile->pgKnownSubject;
-        ret = TRUE;
-    }
-    TRACE("returning %d\n", ret);
-    return ret;
+    TRACE("returning %d\n", err);
+    return err;
 }
 
 /* Assumes data->u.pPDSip exists, and its gSubject member set.
@@ -335,11 +333,9 @@ static DWORD SOFTPUB_LoadFileMessage(CRYPT_PROVIDER_DATA *data)
     err = SOFTPUB_OpenFile(data);
     if (err)
         goto error;
-    if (!SOFTPUB_GetFileSubject(data))
-    {
-        err = GetLastError();
+    err = SOFTPUB_GetFileSubject(data);
+    if (err)
         goto error;
-    }
     if (!SOFTPUB_GetSIP(data))
     {
         err = GetLastError();