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Date: Wed, 13 Feb 2008 08:33:08 -0500
From: Paul Moore <paul.moore@...com>
To: Pavel Emelyanov <xemul@...nvz.org>
Cc: David Miller <davem@...emloft.net>,
Linux Netdev List <netdev@...r.kernel.org>
Subject: Re: [PATCH 1/2][NETLABEL]: Shrink the genl-ops registration code.
On Wednesday 13 February 2008 6:09:44 am Pavel Emelyanov wrote:
> Turning them to array and registration in a loop saves
> 80 lines of code and ~300 bytes from text section.
>
> Signed-off-by: Pavel Emelyanov <xemul@...nvz.org>
Definitely an improvement, thank you.
Acked-by: Paul Moore <paul.moore@...com>
> ---
> net/netlabel/netlabel_cipso_v4.c | 43 +++++++------------
> net/netlabel/netlabel_mgmt.c | 79 ++++++++++-----------------------
> net/netlabel/netlabel_unlabeled.c | 86
> ++++++++++-------------------------- 3 files changed, 64 insertions(+), 144
> deletions(-)
>
> diff --git a/net/netlabel/netlabel_cipso_v4.c
> b/net/netlabel/netlabel_cipso_v4.c index c7ad64d..283ff4a 100644
> --- a/net/netlabel/netlabel_cipso_v4.c
> +++ b/net/netlabel/netlabel_cipso_v4.c
> @@ -718,36 +718,35 @@ static int netlbl_cipsov4_remove(struct sk_buff *skb,
> struct genl_info *info) * NetLabel Generic NETLINK Command Definitions
> */
>
> -static struct genl_ops netlbl_cipsov4_genl_c_add = {
> +static struct genl_ops netlbl_cipsov4_ops[] = {
> + {
> .cmd = NLBL_CIPSOV4_C_ADD,
> .flags = GENL_ADMIN_PERM,
> .policy = netlbl_cipsov4_genl_policy,
> .doit = netlbl_cipsov4_add,
> .dumpit = NULL,
> -};
> -
> -static struct genl_ops netlbl_cipsov4_genl_c_remove = {
> + },
> + {
> .cmd = NLBL_CIPSOV4_C_REMOVE,
> .flags = GENL_ADMIN_PERM,
> .policy = netlbl_cipsov4_genl_policy,
> .doit = netlbl_cipsov4_remove,
> .dumpit = NULL,
> -};
> -
> -static struct genl_ops netlbl_cipsov4_genl_c_list = {
> + },
> + {
> .cmd = NLBL_CIPSOV4_C_LIST,
> .flags = 0,
> .policy = netlbl_cipsov4_genl_policy,
> .doit = netlbl_cipsov4_list,
> .dumpit = NULL,
> -};
> -
> -static struct genl_ops netlbl_cipsov4_genl_c_listall = {
> + },
> + {
> .cmd = NLBL_CIPSOV4_C_LISTALL,
> .flags = 0,
> .policy = netlbl_cipsov4_genl_policy,
> .doit = NULL,
> .dumpit = netlbl_cipsov4_listall,
> + },
> };
>
> /*
> @@ -764,28 +763,18 @@ static struct genl_ops netlbl_cipsov4_genl_c_listall
> = { */
> int netlbl_cipsov4_genl_init(void)
> {
> - int ret_val;
> + int ret_val, i;
>
> ret_val = genl_register_family(&netlbl_cipsov4_gnl_family);
> if (ret_val != 0)
> return ret_val;
>
> - ret_val = genl_register_ops(&netlbl_cipsov4_gnl_family,
> - &netlbl_cipsov4_genl_c_add);
> - if (ret_val != 0)
> - return ret_val;
> - ret_val = genl_register_ops(&netlbl_cipsov4_gnl_family,
> - &netlbl_cipsov4_genl_c_remove);
> - if (ret_val != 0)
> - return ret_val;
> - ret_val = genl_register_ops(&netlbl_cipsov4_gnl_family,
> - &netlbl_cipsov4_genl_c_list);
> - if (ret_val != 0)
> - return ret_val;
> - ret_val = genl_register_ops(&netlbl_cipsov4_gnl_family,
> - &netlbl_cipsov4_genl_c_listall);
> - if (ret_val != 0)
> - return ret_val;
> + for (i = 0; i < ARRAY_SIZE(netlbl_cipsov4_ops); i++) {
> + ret_val = genl_register_ops(&netlbl_cipsov4_gnl_family,
> + &netlbl_cipsov4_ops[i]);
> + if (ret_val != 0)
> + return ret_val;
> + }
>
> return 0;
> }
> diff --git a/net/netlabel/netlabel_mgmt.c b/net/netlabel/netlabel_mgmt.c
> index e2258dc..05d9886 100644
> --- a/net/netlabel/netlabel_mgmt.c
> +++ b/net/netlabel/netlabel_mgmt.c
> @@ -517,68 +517,63 @@ version_failure:
> * NetLabel Generic NETLINK Command Definitions
> */
>
> -static struct genl_ops netlbl_mgmt_genl_c_add = {
> +static struct genl_ops netlbl_mgmt_genl_ops[] = {
> + {
> .cmd = NLBL_MGMT_C_ADD,
> .flags = GENL_ADMIN_PERM,
> .policy = netlbl_mgmt_genl_policy,
> .doit = netlbl_mgmt_add,
> .dumpit = NULL,
> -};
> -
> -static struct genl_ops netlbl_mgmt_genl_c_remove = {
> + },
> + {
> .cmd = NLBL_MGMT_C_REMOVE,
> .flags = GENL_ADMIN_PERM,
> .policy = netlbl_mgmt_genl_policy,
> .doit = netlbl_mgmt_remove,
> .dumpit = NULL,
> -};
> -
> -static struct genl_ops netlbl_mgmt_genl_c_listall = {
> + },
> + {
> .cmd = NLBL_MGMT_C_LISTALL,
> .flags = 0,
> .policy = netlbl_mgmt_genl_policy,
> .doit = NULL,
> .dumpit = netlbl_mgmt_listall,
> -};
> -
> -static struct genl_ops netlbl_mgmt_genl_c_adddef = {
> + },
> + {
> .cmd = NLBL_MGMT_C_ADDDEF,
> .flags = GENL_ADMIN_PERM,
> .policy = netlbl_mgmt_genl_policy,
> .doit = netlbl_mgmt_adddef,
> .dumpit = NULL,
> -};
> -
> -static struct genl_ops netlbl_mgmt_genl_c_removedef = {
> + },
> + {
> .cmd = NLBL_MGMT_C_REMOVEDEF,
> .flags = GENL_ADMIN_PERM,
> .policy = netlbl_mgmt_genl_policy,
> .doit = netlbl_mgmt_removedef,
> .dumpit = NULL,
> -};
> -
> -static struct genl_ops netlbl_mgmt_genl_c_listdef = {
> + },
> + {
> .cmd = NLBL_MGMT_C_LISTDEF,
> .flags = 0,
> .policy = netlbl_mgmt_genl_policy,
> .doit = netlbl_mgmt_listdef,
> .dumpit = NULL,
> -};
> -
> -static struct genl_ops netlbl_mgmt_genl_c_protocols = {
> + },
> + {
> .cmd = NLBL_MGMT_C_PROTOCOLS,
> .flags = 0,
> .policy = netlbl_mgmt_genl_policy,
> .doit = NULL,
> .dumpit = netlbl_mgmt_protocols,
> -};
> -
> -static struct genl_ops netlbl_mgmt_genl_c_version = {
> + },
> + {
> .cmd = NLBL_MGMT_C_VERSION,
> .flags = 0,
> .policy = netlbl_mgmt_genl_policy,
> .doit = netlbl_mgmt_version,
> .dumpit = NULL,
> + },
> };
>
> /*
> @@ -595,44 +590,18 @@ static struct genl_ops netlbl_mgmt_genl_c_version = {
> */
> int netlbl_mgmt_genl_init(void)
> {
> - int ret_val;
> + int ret_val, i;
>
> ret_val = genl_register_family(&netlbl_mgmt_gnl_family);
> if (ret_val != 0)
> return ret_val;
>
> - ret_val = genl_register_ops(&netlbl_mgmt_gnl_family,
> - &netlbl_mgmt_genl_c_add);
> - if (ret_val != 0)
> - return ret_val;
> - ret_val = genl_register_ops(&netlbl_mgmt_gnl_family,
> - &netlbl_mgmt_genl_c_remove);
> - if (ret_val != 0)
> - return ret_val;
> - ret_val = genl_register_ops(&netlbl_mgmt_gnl_family,
> - &netlbl_mgmt_genl_c_listall);
> - if (ret_val != 0)
> - return ret_val;
> - ret_val = genl_register_ops(&netlbl_mgmt_gnl_family,
> - &netlbl_mgmt_genl_c_adddef);
> - if (ret_val != 0)
> - return ret_val;
> - ret_val = genl_register_ops(&netlbl_mgmt_gnl_family,
> - &netlbl_mgmt_genl_c_removedef);
> - if (ret_val != 0)
> - return ret_val;
> - ret_val = genl_register_ops(&netlbl_mgmt_gnl_family,
> - &netlbl_mgmt_genl_c_listdef);
> - if (ret_val != 0)
> - return ret_val;
> - ret_val = genl_register_ops(&netlbl_mgmt_gnl_family,
> - &netlbl_mgmt_genl_c_protocols);
> - if (ret_val != 0)
> - return ret_val;
> - ret_val = genl_register_ops(&netlbl_mgmt_gnl_family,
> - &netlbl_mgmt_genl_c_version);
> - if (ret_val != 0)
> - return ret_val;
> + for (i = 0; i < ARRAY_SIZE(netlbl_mgmt_genl_ops); i++) {
> + ret_val = genl_register_ops(&netlbl_mgmt_gnl_family,
> + &netlbl_mgmt_genl_ops[i]);
> + if (ret_val != 0)
> + return ret_val;
> + }
>
> return 0;
> }
> diff --git a/net/netlabel/netlabel_unlabeled.c
> b/net/netlabel/netlabel_unlabeled.c index 3e745b7..f0f1322 100644
> --- a/net/netlabel/netlabel_unlabeled.c
> +++ b/net/netlabel/netlabel_unlabeled.c
> @@ -1553,68 +1553,63 @@ unlabel_staticlistdef_return:
> * NetLabel Generic NETLINK Command Definitions
> */
>
> -static struct genl_ops netlbl_unlabel_genl_c_staticadd = {
> +static struct genl_ops netlbl_unlabel_genl_ops[] = {
> + {
> .cmd = NLBL_UNLABEL_C_STATICADD,
> .flags = GENL_ADMIN_PERM,
> .policy = netlbl_unlabel_genl_policy,
> .doit = netlbl_unlabel_staticadd,
> .dumpit = NULL,
> -};
> -
> -static struct genl_ops netlbl_unlabel_genl_c_staticremove = {
> + },
> + {
> .cmd = NLBL_UNLABEL_C_STATICREMOVE,
> .flags = GENL_ADMIN_PERM,
> .policy = netlbl_unlabel_genl_policy,
> .doit = netlbl_unlabel_staticremove,
> .dumpit = NULL,
> -};
> -
> -static struct genl_ops netlbl_unlabel_genl_c_staticlist = {
> + },
> + {
> .cmd = NLBL_UNLABEL_C_STATICLIST,
> .flags = 0,
> .policy = netlbl_unlabel_genl_policy,
> .doit = NULL,
> .dumpit = netlbl_unlabel_staticlist,
> -};
> -
> -static struct genl_ops netlbl_unlabel_genl_c_staticadddef = {
> + },
> + {
> .cmd = NLBL_UNLABEL_C_STATICADDDEF,
> .flags = GENL_ADMIN_PERM,
> .policy = netlbl_unlabel_genl_policy,
> .doit = netlbl_unlabel_staticadddef,
> .dumpit = NULL,
> -};
> -
> -static struct genl_ops netlbl_unlabel_genl_c_staticremovedef = {
> + },
> + {
> .cmd = NLBL_UNLABEL_C_STATICREMOVEDEF,
> .flags = GENL_ADMIN_PERM,
> .policy = netlbl_unlabel_genl_policy,
> .doit = netlbl_unlabel_staticremovedef,
> .dumpit = NULL,
> -};
> -
> -static struct genl_ops netlbl_unlabel_genl_c_staticlistdef = {
> + },
> + {
> .cmd = NLBL_UNLABEL_C_STATICLISTDEF,
> .flags = 0,
> .policy = netlbl_unlabel_genl_policy,
> .doit = NULL,
> .dumpit = netlbl_unlabel_staticlistdef,
> -};
> -
> -static struct genl_ops netlbl_unlabel_genl_c_accept = {
> + },
> + {
> .cmd = NLBL_UNLABEL_C_ACCEPT,
> .flags = GENL_ADMIN_PERM,
> .policy = netlbl_unlabel_genl_policy,
> .doit = netlbl_unlabel_accept,
> .dumpit = NULL,
> -};
> -
> -static struct genl_ops netlbl_unlabel_genl_c_list = {
> + },
> + {
> .cmd = NLBL_UNLABEL_C_LIST,
> .flags = 0,
> .policy = netlbl_unlabel_genl_policy,
> .doit = netlbl_unlabel_list,
> .dumpit = NULL,
> + },
> };
>
> /*
> @@ -1631,51 +1626,18 @@ static struct genl_ops netlbl_unlabel_genl_c_list =
> { */
> int netlbl_unlabel_genl_init(void)
> {
> - int ret_val;
> + int ret_val, i;
>
> ret_val = genl_register_family(&netlbl_unlabel_gnl_family);
> if (ret_val != 0)
> return ret_val;
>
> - ret_val = genl_register_ops(&netlbl_unlabel_gnl_family,
> - &netlbl_unlabel_genl_c_staticadd);
> - if (ret_val != 0)
> - return ret_val;
> -
> - ret_val = genl_register_ops(&netlbl_unlabel_gnl_family,
> - &netlbl_unlabel_genl_c_staticremove);
> - if (ret_val != 0)
> - return ret_val;
> -
> - ret_val = genl_register_ops(&netlbl_unlabel_gnl_family,
> - &netlbl_unlabel_genl_c_staticlist);
> - if (ret_val != 0)
> - return ret_val;
> -
> - ret_val = genl_register_ops(&netlbl_unlabel_gnl_family,
> - &netlbl_unlabel_genl_c_staticadddef);
> - if (ret_val != 0)
> - return ret_val;
> -
> - ret_val = genl_register_ops(&netlbl_unlabel_gnl_family,
> - &netlbl_unlabel_genl_c_staticremovedef);
> - if (ret_val != 0)
> - return ret_val;
> -
> - ret_val = genl_register_ops(&netlbl_unlabel_gnl_family,
> - &netlbl_unlabel_genl_c_staticlistdef);
> - if (ret_val != 0)
> - return ret_val;
> -
> - ret_val = genl_register_ops(&netlbl_unlabel_gnl_family,
> - &netlbl_unlabel_genl_c_accept);
> - if (ret_val != 0)
> - return ret_val;
> -
> - ret_val = genl_register_ops(&netlbl_unlabel_gnl_family,
> - &netlbl_unlabel_genl_c_list);
> - if (ret_val != 0)
> - return ret_val;
> + for (i = 0; i < ARRAY_SIZE(netlbl_unlabel_genl_ops); i++) {
> + ret_val = genl_register_ops(&netlbl_unlabel_gnl_family,
> + &netlbl_unlabel_genl_ops[i]);
> + if (ret_val != 0)
> + return ret_val;
> + }
>
> return 0;
> }
--
paul moore
linux security @ hp
--
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