From adc8df12d91a2b8350b0cd4c7fec3e8546c9d1f8 Mon Sep 17 00:00:00 2001
From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: Sun, 22 Oct 2023 22:25:17 +0200
Subject: [PATCH] gtp: uapi: fix GTPA_MAX

Subtract one to __GTPA_MAX, otherwise GTPA_MAX is off by 2.

Fixes: 459aa660eb1d ("gtp: add initial driver for datapath of GPRS Tunneling Protocol (GTP-U)")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
 include/uapi/linux/gtp.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/uapi/linux/gtp.h b/include/uapi/linux/gtp.h
index 2f61298..3dcdb9e 100644
--- a/include/uapi/linux/gtp.h
+++ b/include/uapi/linux/gtp.h
@@ -33,6 +33,6 @@ enum gtp_attrs {
 	GTPA_PAD,
 	__GTPA_MAX,
 };
-#define GTPA_MAX (__GTPA_MAX + 1)
+#define GTPA_MAX (__GTPA_MAX - 1)
 
 #endif /* _UAPI_LINUX_GTP_H_ */
-- 
2.7.4