netdev - Re: [PATCH net-next 1/1] net: introduce OpenVPN Data Channel Offload (ovpn)

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Date: Sun, 7 Jan 2024 21:54:03 +0800
From: kernel test robot <lkp@...el.com>
To: Antonio Quartulli <antonio@...nvpn.net>, netdev@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev, Jakub Kicinski <kuba@...nel.org>,
	Sergey Ryazanov <ryazanov.s.a@...il.com>,
	Antonio Quartulli <antonio@...nvpn.net>
Subject: Re: [PATCH net-next 1/1] net: introduce OpenVPN Data Channel Offload
 (ovpn)

Hi Antonio,

kernel test robot noticed the following build errors:

[auto build test ERROR on net-next/main]

url:    https://github.com/intel-lab-lkp/linux/commits/Antonio-Quartulli/net-introduce-OpenVPN-Data-Channel-Offload-ovpn/20240107-061631
base:   net-next/main
patch link:    https://lore.kernel.org/r/20240106215740.14770-2-antonio%40openvpn.net
patch subject: [PATCH net-next 1/1] net: introduce OpenVPN Data Channel Offload (ovpn)
config: sh-allmodconfig (https://download.01.org/0day-ci/archive/20240107/202401072136.mmDh9bfe-lkp@intel.com/config)
compiler: sh4-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240107/202401072136.mmDh9bfe-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202401072136.mmDh9bfe-lkp@intel.com/

All error/warnings (new ones prefixed by >>):

>> drivers/net/ovpn/netlink.c:42:38: error: implicit declaration of function 'NLA_POLICY_MAX_LEN'; did you mean 'NLA_POLICY_MIN_LEN'? [-Werror=implicit-function-declaration]
      42 |         [OVPN_A_KEYDIR_CIPHER_KEY] = NLA_POLICY_MAX_LEN(U8_MAX),
         |                                      ^~~~~~~~~~~~~~~~~~
         |                                      NLA_POLICY_MIN_LEN
>> drivers/net/ovpn/netlink.c:42:38: error: initializer element is not constant
   drivers/net/ovpn/netlink.c:42:38: note: (near initialization for 'ovpn_nl_policy_keydir[1].type')
>> drivers/net/ovpn/netlink.c:41:75: warning: missing braces around initializer [-Wmissing-braces]
      41 | static const struct nla_policy ovpn_nl_policy_keydir[NUM_OVPN_A_KEYDIR] = {
         |                                                                           ^
   drivers/net/ovpn/netlink.c:63:34: error: initializer element is not constant
      63 |         [OVPN_A_PEER_LOCAL_IP] = NLA_POLICY_MAX_LEN(sizeof(struct in6_addr)),
         |                                  ^~~~~~~~~~~~~~~~~~
   drivers/net/ovpn/netlink.c:63:34: note: (near initialization for 'ovpn_nl_policy_peer[8].type')
   drivers/net/ovpn/netlink.c:64:36: error: initializer element is not constant
      64 |         [OVPN_A_PEER_LOCAL_PORT] = NLA_POLICY_MAX_LEN(sizeof(u16)),
         |                                    ^~~~~~~~~~~~~~~~~~
   drivers/net/ovpn/netlink.c:64:36: note: (near initialization for 'ovpn_nl_policy_peer[9].type')
   drivers/net/ovpn/netlink.c:57:71: warning: missing braces around initializer [-Wmissing-braces]
      57 | static const struct nla_policy ovpn_nl_policy_peer[NUM_OVPN_A_PEER] = {
         |                                                                       ^
   drivers/net/ovpn/netlink.c:57:71: warning: missing braces around initializer [-Wmissing-braces]
   drivers/net/ovpn/netlink.c:57:71: warning: missing braces around initializer [-Wmissing-braces]
   drivers/net/ovpn/netlink.c:57:71: warning: missing braces around initializer [-Wmissing-braces]
   drivers/net/ovpn/netlink.c:57:71: warning: missing braces around initializer [-Wmissing-braces]
   drivers/net/ovpn/netlink.c:75:27: error: initializer element is not constant
      75 |         [OVPN_A_IFNAME] = NLA_POLICY_MAX_LEN(IFNAMSIZ),
         |                           ^~~~~~~~~~~~~~~~~~
   drivers/net/ovpn/netlink.c:75:27: note: (near initialization for 'ovpn_nl_policy[2].type')
   drivers/net/ovpn/netlink.c:73:61: warning: missing braces around initializer [-Wmissing-braces]
      73 | static const struct nla_policy ovpn_nl_policy[NUM_OVPN_A] = {
         |                                                             ^
   drivers/net/ovpn/netlink.c:73:61: warning: missing braces around initializer [-Wmissing-braces]
   drivers/net/ovpn/netlink.c:73:61: warning: missing braces around initializer [-Wmissing-braces]
   cc1: some warnings being treated as errors


vim +42 drivers/net/ovpn/netlink.c

    39	
    40	/** KEYDIR policy. Can be used for configuring an encryption and a decryption key */
  > 41	static const struct nla_policy ovpn_nl_policy_keydir[NUM_OVPN_A_KEYDIR] = {
  > 42		[OVPN_A_KEYDIR_CIPHER_KEY] = NLA_POLICY_MAX_LEN(U8_MAX),
    43		[OVPN_A_KEYDIR_NONCE_TAIL] = NLA_POLICY_EXACT_LEN(NONCE_TAIL_SIZE),
    44	};
    45	

-- 
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https://github.com/intel/lkp-tests/wiki