--- /dev/null
+From 1bb099396afa88077b93bfdbd4d20dbdacea36eb Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com>
+Date: Tue, 30 Dec 2025 14:38:03 +0100
+Subject: [PATCH] Makefile: fix CFLAGS with linux 6.15+
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Ensure EXTRA_CFLAGS are taken into account.
+
+Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
+---
+ src/Makefile | 2 ++
+ 1 file changed, 2 insertions(+)
+
+--- a/src/Makefile
++++ b/src/Makefile
+@@ -64,6 +64,8 @@ ifneq ($(KERNELRELEASE),)
+ ifeq ($(CONFIG_CTAP_SHORT_OFF), y)
+ EXTRA_CFLAGS += -DCONFIG_CTAP_SHORT_OFF
+ endif
++
++ ccflags-y += $(EXTRA_CFLAGS)
+ else
+ BASEDIR := /lib/modules/$(shell uname -r)
+ KERNELDIR ?= $(BASEDIR)/build