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0970bf676f
'struct llc_sap_state_trans' are not modified in this driver.
Constifying this structure moves some data to a read-only section, so
increase overall security.
On a x86_64, with allmodconfig, as an example:
Before:
======
text data bss dec hex filename
339 456 24 819 333 net/llc/llc_s_st.o
After:
=====
text data bss dec hex filename
683 144 0 827 33b net/llc/llc_s_st.o
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/9d17587639195ee94b74ff06a11ef97d1833ee52.1720973710.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
39 lines
1.0 KiB
C
39 lines
1.0 KiB
C
#ifndef LLC_S_ST_H
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#define LLC_S_ST_H
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/*
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* Copyright (c) 1997 by Procom Technology,Inc.
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* 2001 by Arnaldo Carvalho de Melo <acme@conectiva.com.br>
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*
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* This program can be redistributed or modified under the terms of the
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* GNU General Public License as published by the Free Software Foundation.
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* This program is distributed without any warranty or implied warranty
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* of merchantability or fitness for a particular purpose.
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*
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* See the GNU General Public License for more details.
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*/
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#include <linux/types.h>
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#include <net/llc_s_ac.h>
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#include <net/llc_s_ev.h>
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struct llc_sap_state_trans;
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#define LLC_NR_SAP_STATES 2 /* size of state table */
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/* structures and types */
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/* SAP state table structure */
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struct llc_sap_state_trans {
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llc_sap_ev_t ev;
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u8 next_state;
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const llc_sap_action_t *ev_actions;
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};
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struct llc_sap_state {
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u8 curr_state;
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const struct llc_sap_state_trans **transitions;
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};
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/* only access to SAP state table */
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extern struct llc_sap_state llc_sap_state_table[LLC_NR_SAP_STATES];
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#endif /* LLC_S_ST_H */
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