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[61.220.137.37]) by smtp.gmail.com with ESMTPSA id c134sm29470974pfc.87.2019.03.26.20.00.51 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 26 Mar 2019 20:00:52 -0700 (PDT) From: AceLan Kao To: hauke@hauke-m.de, mcgrof@kernel.org, backports@vger.kernel.org Subject: [PATCH v3 2/3] backports: update backport/backport-include/net/netlink.h Date: Wed, 27 Mar 2019 11:00:43 +0800 Message-Id: <20190327030044.28263-3-acelan.kao@canonical.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190327030044.28263-1-acelan.kao@canonical.com> References: <20190327030044.28263-1-acelan.kao@canonical.com> Sender: backports-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: backports@vger.kernel.org Add new macros introduced from v5.1-rc1 23323289b154 netlink: reduce NLA_POLICY_NESTED{,_ARRAY} arguments v3: Fix v4.20 compilation error Signed-off-by: AceLan Kao --- backport/backport-include/net/netlink.h | 18 +++++++++++++----- 1 file changed, 13 insertions(+), 5 deletions(-) diff --git a/backport/backport-include/net/netlink.h b/backport/backport-include/net/netlink.h index 4af73631..d8237f10 100644 --- a/backport/backport-include/net/netlink.h +++ b/backport/backport-include/net/netlink.h @@ -4,6 +4,19 @@ #include #include +#if LINUX_VERSION_IS_LESS(5,1,0) +#undef NLA_POLICY_NESTED +#undef NLA_POLICY_NESTED_ARRAY +#define _NLA_POLICY_NESTED(maxattr, policy) \ + { .type = NLA_NESTED, .validation_data = policy, .len = maxattr } +#define _NLA_POLICY_NESTED_ARRAY(maxattr, policy) \ + { .type = NLA_NESTED_ARRAY, .validation_data = policy, .len = maxattr } +#define NLA_POLICY_NESTED(policy) \ + _NLA_POLICY_NESTED(ARRAY_SIZE(policy) - 1, policy) +#define NLA_POLICY_NESTED_ARRAY(policy) \ + _NLA_POLICY_NESTED_ARRAY(ARRAY_SIZE(policy) - 1, policy) +#endif /* < 5.1 */ + #if LINUX_VERSION_IS_LESS(4,20,0) /* can't backport using the enum - need to override */ #define NLA_UNSPEC 0 @@ -59,11 +72,6 @@ struct backport_nla_policy { #define NLA_POLICY_ETH_ADDR NLA_POLICY_EXACT_LEN(ETH_ALEN) #define NLA_POLICY_ETH_ADDR_COMPAT NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN) -#define NLA_POLICY_NESTED(maxattr, policy) \ - { .type = NLA_NESTED, .validation_data = policy, .len = maxattr } -#define NLA_POLICY_NESTED_ARRAY(maxattr, policy) \ - { .type = NLA_NESTED_ARRAY, .validation_data = policy, .len = maxattr } - #define __NLA_ENSURE(condition) (sizeof(char[1 - 2*!(condition)]) - 1) #define NLA_ENSURE_INT_TYPE(tp) \ (__NLA_ENSURE(tp == NLA_S8 || tp == NLA_U8 || \ -- 2.17.1 -- To unsubscribe from this list: send the line "unsubscribe backports" in