2271 	    char *field_str, unsigned long *flags, unsigned long *buckets)  in parse_field()  argument
2277 	modifier = str = kstrdup(field_str, GFP_KERNEL);  in parse_field()
4158 			      char *var_name, char *field_str,  in __create_val_field()  argument
4164 	hist_field = parse_expr(hist_data, file, field_str, flags, var_name, &n_subexprs);  in __create_val_field()
4184 			    char *field_str)  in create_val_field()  argument
4189 	return __create_val_field(hist_data, val_idx, file, NULL, field_str, 0);  in create_val_field()
4331 	char *fields_str, *field_str;  in create_val_fields()  local
4345 		field_str = strsep(&fields_str, ",");  in create_val_fields()
4346 		if (!field_str)  in create_val_fields()
4349 		if (strcmp(field_str, "hitcount") == 0)  in create_val_fields()
4352 		ret = create_val_field(hist_data, j++, file, field_str);  in create_val_fields()
4367 			    char *field_str)  in create_key_field()  argument
4380 	if (strcmp(field_str, "stacktrace") == 0) {  in create_key_field()
4385 		hist_field = parse_expr(hist_data, file, field_str, flags,  in create_key_field()
4393 			hist_err(tr, HIST_ERR_INVALID_REF_KEY, errpos(field_str));  in create_key_field()
4430 	char *fields_str, *field_str;  in create_key_fields()  local
4438 		field_str = strsep(&fields_str, ",");  in create_key_fields()
4439 		if (!field_str)  in create_key_fields()
4442 				       file, field_str);  in create_key_fields()
4491 	char *s, *str, *var_name, *field_str;  in parse_var_defs()  local
4498 			field_str = strsep(&str, ",");  in parse_var_defs()
4499 			if (!field_str)  in parse_var_defs()
4502 			var_name = strsep(&field_str, "=");  in parse_var_defs()
4503 			if (!var_name || !field_str) {  in parse_var_defs()
4523 			s = kstrdup(field_str, GFP_KERNEL);  in parse_var_defs()
4599 		char *field_str, *field_name;  in create_sort_keys()  local
4604 		field_str = strsep(&fields_str, ",");  in create_sort_keys()
4605 		if (!field_str)  in create_sort_keys()
4608 		if (!*field_str) {  in create_sort_keys()
4620 		field_name = strsep(&field_str, ".");  in create_sort_keys()
4628 			descending = is_descending(tr, field_str);  in create_sort_keys()
4650 				descending = is_descending(tr, field_str);  in create_sort_keys()