[hpoussin] 21787: Don't double free buffer in case of error

Author: hpoussin
Date: Wed May  3 17:56:12 2006
New Revision: 21787

URL: http://svn.reactos.ru/svn/reactos?rev=21787&view=rev
Log:
Don't double free buffer in case of error

Modified:
    trunk/reactos/dll/win32/setupapi/parser.c

Modified: trunk/reactos/dll/win32/setupapi/parser.c
URL: http://svn.reactos.ru/svn/reactos/trunk/reactos/dll/win32/setupapi/parser.c?...
==============================================================================
--- trunk/reactos/dll/win32/setupapi/parser.c (original)
+++ trunk/reactos/dll/win32/setupapi/parser.c Wed May  3 17:56:12 2006
@@ -1988,8 +1988,7 @@

/* Allocate memory for file filter */
     len = DirectoryPath ? strlenW(DirectoryPath) : MAX_PATH;
-    pFileSpecification = HeapAlloc(
-            GetProcessHeap(), 0,
+    pFileSpecification = MyMalloc(
             (len + 1 + strlenW(InfFileSpecification) + 1) * sizeof(WCHAR));
     if (!pFileSpecification)
     {
@@ -2017,7 +2016,7 @@
     hSearch = FindFirstFileW(pFileSpecification, &wfdFileInfo);
     if (hSearch == INVALID_HANDLE_VALUE)
     {
-        HeapFree(GetProcessHeap(), 0, pFileSpecification);
+        TRACE("No file returned by %s\n", debugstr_w(pFileSpecification));
         goto cleanup;
     }

@@ -2053,10 +2052,12 @@
     } while (FindNextFileW(hSearch, &wfdFileInfo));
     FindClose(hSearch);

-    ret = TRUE;
     requiredSize += sizeof(WCHAR); /* Final NULL char */
     if (requiredSize <= ReturnBufferSize)
+    {
         *pBuffer = '\0';
+        ret = TRUE;
+    }
     else
     {
         SetLastError(ERROR_INSUFFICIENT_BUFFER);
@@ -2066,7 +2067,7 @@
         *RequiredSize = requiredSize;

cleanup:
-    HeapFree(GetProcessHeap(), 0, pFileSpecification);
+    MyFree(pFileSpecification);
     return ret;
 }