* fileio.c (Fcopy_file): Report error if fchown or fchmod fail.

src/ChangeLog

+2011-03-21  Paul Eggert  <eggert@cs.ucla.edu>
+
+	* fileio.c (Fcopy_file): Report error if fchown or fchmod fail.
+
 2011-03-20  Paul Eggert  <eggert@cs.ucla.edu>
 	* emacs.c (Fdaemon_initialized): Do not ignore I/O errors (Bug#8303).

src/fileio.c

@@ -1951,9 +1951,10 @@ on the system, we copy the SELinux context of FILE to NEWNAME.  */)
      owner and group.  */
   if (input_file_statable_p)
     {
-      if (! NILP (preserve_uid_gid))
-	fchown (ofd, st.st_uid, st.st_gid);
-      fchmod (ofd, st.st_mode & 07777);
+      if (!NILP (preserve_uid_gid) && fchown (ofd, st.st_uid, st.st_gid) != 0)
+	report_file_error ("Doing chown", Fcons (newname, Qnil));
+      if (fchmod (ofd, st.st_mode & 07777) != 0)
+	report_file_error ("Doing chmod", Fcons (newname, Qnil));
     }
 #endif	/* not MSDOS */