syscalls.cc: Fix num_links

NtQueryInformationFile on fh_ro needs FILE_READ_ATTRIBUTES
to succeed.

diff --git a/winsup/cygwin/syscalls.cc b/winsup/cygwin/syscalls.cc
index 525efecf3a7e1bad42b7a8d6e34e8ab097afa68e..3030f6fffb1a82d6a8de4dff2cda7b153859d9c9 100644 (file)
--- a/winsup/cygwin/syscalls.cc
+++ b/winsup/cygwin/syscalls.cc
@@ -755,8 +755,9 @@ _unlink_nt (path_conv &pc, bool shareable)
       if ((pc.fs_flags () & FILE_SUPPORTS_TRANSACTIONS))
        start_transaction (old_trans, trans);
 retry_open:
-      status = NtOpenFile (&fh_ro, FILE_WRITE_ATTRIBUTES, &attr, &io,
-                          FILE_SHARE_VALID_FLAGS, flags);
+      status = NtOpenFile (&fh_ro,
+                           FILE_READ_ATTRIBUTES | FILE_WRITE_ATTRIBUTES,
+                           &attr, &io, FILE_SHARE_VALID_FLAGS, flags);
       if (NT_SUCCESS (status))
        {
          debug_printf ("Opening %S for removing R/O succeeded",