Avoid compiler warning in w32proc.c

* src/w32proc.c (w32_executable_type): Avoid compiler warnings
about potential NULL pointer dereferencing.

diff --git a/src/w32proc.c b/src/w32proc.c
index 8e878e6ef3e456d019192382f01f5a656d3f0f43..75e345a525a365935ba6d48d64fa810afd9f34c0 100644 (file)
--- a/src/w32proc.c
+++ b/src/w32proc.c
@@ -1776,22 +1776,27 @@ w32_executable_type (char * filename,
           if (data_dir)
             {
               /* Look for Cygwin DLL in the DLL import list. */
-              IMAGE_DATA_DIRECTORY import_dir =
-                data_dir[IMAGE_DIRECTORY_ENTRY_IMPORT];
+              IMAGE_DATA_DIRECTORY import_dir
+                = data_dir[IMAGE_DIRECTORY_ENTRY_IMPORT];
 
              /* Import directory can be missing in .NET DLLs.  */
              if (import_dir.VirtualAddress != 0)
                {
+                 IMAGE_SECTION_HEADER *section
+                   = rva_to_section (import_dir.VirtualAddress, nt_header);
+                 if (!section)
+                   emacs_abort ();
+
                  IMAGE_IMPORT_DESCRIPTOR * imports =
-                   RVA_TO_PTR (import_dir.VirtualAddress,
-                               rva_to_section (import_dir.VirtualAddress,
-                                               nt_header),
+                   RVA_TO_PTR (import_dir.VirtualAddress, section,
                                executable);
 
                  for ( ; imports->Name; imports++)
                    {
-                     IMAGE_SECTION_HEADER * section =
-                       rva_to_section (imports->Name, nt_header);
+                     section = rva_to_section (imports->Name, nt_header);
+                     if (!section)
+                       emacs_abort ();
+
                      char * dllname = RVA_TO_PTR (imports->Name, section,
                                                   executable);