smb/client/readdir.c

678 	struct cifsFileInfo *cfile = file->private_data;
686 	if ((cfile == NULL) || (current_entry == NULL) || (num_to_ret == NULL))
690 	first_entry_in_buffer = cfile->srch_inf.index_of_last_entry -
691 					cfile->srch_inf.entries_in_buffer;
702 	if (((index_to_find < cfile->srch_inf.index_of_last_entry) &&
706 		spin_lock(&cfile->file_info_lock);
707 		if (server->ops->dir_needs_close(cfile)) {
708 			cfile->invalidHandle = true;
709 			spin_unlock(&cfile->file_info_lock);
711 				server->ops->close_dir(xid, tcon, &cfile->fid);
713 			spin_unlock(&cfile->file_info_lock);
714 		if (cfile->srch_inf.ntwrk_buf_start) {
716 			if (cfile->srch_inf.smallBuf)
717 				cifs_small_buf_release(cfile->srch_inf.
720 				cifs_buf_release(cfile->srch_inf.
722 			cfile->srch_inf.ntwrk_buf_start = NULL;
731 		if (cfile->srch_inf.last_entry)
732 			cifs_save_resume_key(cfile->srch_inf.last_entry, cfile);
739 	while ((index_to_find >= cfile->srch_inf.index_of_last_entry) &&
740 	       (rc == 0) && !cfile->srch_inf.endOfSearch) {
742 		rc = server->ops->query_dir_next(xid, tcon, &cfile->fid,
744 						 &cfile->srch_inf);
746 		if (cfile->srch_inf.last_entry)
747 			cifs_save_resume_key(cfile->srch_inf.last_entry, cfile);
751 	if (index_to_find < cfile->srch_inf.index_of_last_entry) {
758 		if (cfile->srch_inf.ntwrk_buf_start == NULL) {
763 		end_of_smb = cfile->srch_inf.ntwrk_buf_start +
765 					cfile->srch_inf.ntwrk_buf_start);
767 		cur_ent = cfile->srch_inf.srch_entries_start;
768 		first_entry_in_buffer = cfile->srch_inf.index_of_last_entry
769 					- cfile->srch_inf.entries_in_buffer;
776 						cfile->srch_inf.info_level);
790 	if (pos_in_buf >= cfile->srch_inf.entries_in_buffer) {
794 		*num_to_ret = cfile->srch_inf.entries_in_buffer - pos_in_buf;