From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: Sun, 22 Oct 2023 20:25:17 +0000 (+0200)
Subject: gtp: uapi: fix GTPA_MAX
X-Git-Tag: v5.15.138~90
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=c0dad0c0924cb5e05a138c7fcc3ad56caed3082c;p=thirdparty%2Fkernel%2Fstable.git

gtp: uapi: fix GTPA_MAX

[ Upstream commit adc8df12d91a2b8350b0cd4c7fec3e8546c9d1f8 ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/include/uapi/linux/gtp.h b/include/uapi/linux/gtp.h
index 79f9191bbb24c..82d0e58ec3ce2 100644
--- a/include/uapi/linux/gtp.h
+++ b/include/uapi/linux/gtp.h
@@ -32,6 +32,6 @@ enum gtp_attrs {
 	GTPA_PAD,
 	__GTPA_MAX,
 };
-#define GTPA_MAX (__GTPA_MAX + 1)
+#define GTPA_MAX (__GTPA_MAX - 1)
 
 #endif /* _UAPI_LINUX_GTP_H_ */