From 22bbf5f3e4e4db4a94f18d7b1ba21b5bd5fd934b Mon Sep 17 00:00:00 2001 From: Joe Perches Date: Wed, 10 Dec 2014 09:55:50 -0800 Subject: llc: Make llc_sap_action_t function pointer arrays const It's better when function pointer arrays aren't modifiable. Net change: $ size net/llc/built-in.o.* text data bss dec hex filename 61193 12758 1344 75295 1261f net/llc/built-in.o.new 47113 27030 1344 75487 126df net/llc/built-in.o.old Signed-off-by: Joe Perches Signed-off-by: David S. Miller diff --git a/include/net/llc_s_st.h b/include/net/llc_s_st.h index 567c681..c4359e2 100644 --- a/include/net/llc_s_st.h +++ b/include/net/llc_s_st.h @@ -19,7 +19,7 @@ struct llc_sap_state_trans { llc_sap_ev_t ev; u8 next_state; - llc_sap_action_t *ev_actions; + const llc_sap_action_t *ev_actions; }; struct llc_sap_state { diff --git a/net/llc/llc_s_st.c b/net/llc/llc_s_st.c index 135f7d8..308c616 100644 --- a/net/llc/llc_s_st.c +++ b/net/llc/llc_s_st.c @@ -29,7 +29,7 @@ static struct llc_sap_state_trans llc_sap_state_trans_end; /* state LLC_SAP_STATE_INACTIVE transition for * LLC_SAP_EV_ACTIVATION_REQ event */ -static llc_sap_action_t llc_sap_inactive_state_actions_1[] = { +static const llc_sap_action_t llc_sap_inactive_state_actions_1[] = { [0] = llc_sap_action_report_status, [1] = NULL, }; @@ -47,7 +47,7 @@ static struct llc_sap_state_trans *llc_sap_inactive_state_transitions[] = { }; /* state LLC_SAP_STATE_ACTIVE transition for LLC_SAP_EV_RX_UI event */ -static llc_sap_action_t llc_sap_active_state_actions_1[] = { +static const llc_sap_action_t llc_sap_active_state_actions_1[] = { [0] = llc_sap_action_unitdata_ind, [1] = NULL, }; @@ -59,7 +59,7 @@ static struct llc_sap_state_trans llc_sap_active_state_trans_1 = { }; /* state LLC_SAP_STATE_ACTIVE transition for LLC_SAP_EV_UNITDATA_REQ event */ -static llc_sap_action_t llc_sap_active_state_actions_2[] = { +static const llc_sap_action_t llc_sap_active_state_actions_2[] = { [0] = llc_sap_action_send_ui, [1] = NULL, }; @@ -71,7 +71,7 @@ static struct llc_sap_state_trans llc_sap_active_state_trans_2 = { }; /* state LLC_SAP_STATE_ACTIVE transition for LLC_SAP_EV_XID_REQ event */ -static llc_sap_action_t llc_sap_active_state_actions_3[] = { +static const llc_sap_action_t llc_sap_active_state_actions_3[] = { [0] = llc_sap_action_send_xid_c, [1] = NULL, }; @@ -83,7 +83,7 @@ static struct llc_sap_state_trans llc_sap_active_state_trans_3 = { }; /* state LLC_SAP_STATE_ACTIVE transition for LLC_SAP_EV_RX_XID_C event */ -static llc_sap_action_t llc_sap_active_state_actions_4[] = { +static const llc_sap_action_t llc_sap_active_state_actions_4[] = { [0] = llc_sap_action_send_xid_r, [1] = NULL, }; @@ -95,7 +95,7 @@ static struct llc_sap_state_trans llc_sap_active_state_trans_4 = { }; /* state LLC_SAP_STATE_ACTIVE transition for LLC_SAP_EV_RX_XID_R event */ -static llc_sap_action_t llc_sap_active_state_actions_5[] = { +static const llc_sap_action_t llc_sap_active_state_actions_5[] = { [0] = llc_sap_action_xid_ind, [1] = NULL, }; @@ -107,7 +107,7 @@ static struct llc_sap_state_trans llc_sap_active_state_trans_5 = { }; /* state LLC_SAP_STATE_ACTIVE transition for LLC_SAP_EV_TEST_REQ event */ -static llc_sap_action_t llc_sap_active_state_actions_6[] = { +static const llc_sap_action_t llc_sap_active_state_actions_6[] = { [0] = llc_sap_action_send_test_c, [1] = NULL, }; @@ -119,7 +119,7 @@ static struct llc_sap_state_trans llc_sap_active_state_trans_6 = { }; /* state LLC_SAP_STATE_ACTIVE transition for LLC_SAP_EV_RX_TEST_C event */ -static llc_sap_action_t llc_sap_active_state_actions_7[] = { +static const llc_sap_action_t llc_sap_active_state_actions_7[] = { [0] = llc_sap_action_send_test_r, [1] = NULL, }; @@ -131,7 +131,7 @@ static struct llc_sap_state_trans llc_sap_active_state_trans_7 = { }; /* state LLC_SAP_STATE_ACTIVE transition for LLC_SAP_EV_RX_TEST_R event */ -static llc_sap_action_t llc_sap_active_state_actions_8[] = { +static const llc_sap_action_t llc_sap_active_state_actions_8[] = { [0] = llc_sap_action_test_ind, [1] = NULL, }; @@ -145,7 +145,7 @@ static struct llc_sap_state_trans llc_sap_active_state_trans_8 = { /* state LLC_SAP_STATE_ACTIVE transition for * LLC_SAP_EV_DEACTIVATION_REQ event */ -static llc_sap_action_t llc_sap_active_state_actions_9[] = { +static const llc_sap_action_t llc_sap_active_state_actions_9[] = { [0] = llc_sap_action_report_status, [1] = NULL, }; diff --git a/net/llc/llc_sap.c b/net/llc/llc_sap.c index 06033f6..d0e1e80 100644 --- a/net/llc/llc_sap.c +++ b/net/llc/llc_sap.c @@ -146,7 +146,7 @@ static int llc_exec_sap_trans_actions(struct llc_sap *sap, struct sk_buff *skb) { int rc = 0; - llc_sap_action_t *next_action = trans->ev_actions; + const llc_sap_action_t *next_action = trans->ev_actions; for (; next_action && *next_action; next_action++) if ((*next_action)(sap, skb)) -- cgit v0.10.2