2451 	    char *field_str, unsigned long *flags)  in parse_field()  argument
2456 	modifier = str = kstrdup(field_str, GFP_KERNEL);  in parse_field()
3843 			      char *var_name, char *field_str,  in __create_val_field()  argument
3849 	hist_field = parse_expr(hist_data, file, field_str, flags, var_name, 0);  in __create_val_field()
3869 			    char *field_str)  in create_val_field()  argument
3874 	return __create_val_field(hist_data, val_idx, file, NULL, field_str, 0);  in create_val_field()
3903 	char *fields_str, *field_str;  in create_val_fields()  local
3921 		field_str = strsep(&fields_str, ",");  in create_val_fields()
3922 		if (!field_str)  in create_val_fields()
3925 		if (strcmp(field_str, "hitcount") == 0)  in create_val_fields()
3928 		ret = create_val_field(hist_data, j++, file, field_str);  in create_val_fields()
3943 			    char *field_str)  in create_key_field()  argument
3956 	if (strcmp(field_str, "stacktrace") == 0) {  in create_key_field()
3961 		hist_field = parse_expr(hist_data, file, field_str, flags,  in create_key_field()
3969 			hist_err("Using variable references as keys not supported: ", field_str);  in create_key_field()
4006 	char *fields_str, *field_str;  in create_key_fields()  local
4018 		field_str = strsep(&fields_str, ",");  in create_key_fields()
4019 		if (!field_str)  in create_key_fields()
4022 				       file, field_str);  in create_key_fields()
4070 	char *s, *str, *var_name, *field_str;  in parse_var_defs()  local
4077 			field_str = strsep(&str, ",");  in parse_var_defs()
4078 			if (!field_str)  in parse_var_defs()
4081 			var_name = strsep(&field_str, "=");  in parse_var_defs()
4082 			if (!var_name || !field_str) {  in parse_var_defs()
4101 			s = kstrdup(field_str, GFP_KERNEL);  in parse_var_defs()
4180 		char *field_str, *field_name;  in create_sort_keys()  local
4185 		field_str = strsep(&fields_str, ",");  in create_sort_keys()
4186 		if (!field_str) {  in create_sort_keys()
4197 		field_name = strsep(&field_str, ".");  in create_sort_keys()
4204 			descending = is_descending(field_str);  in create_sort_keys()
4226 				descending = is_descending(field_str);  in create_sort_keys()