118 lines
2.9 KiB
C
118 lines
2.9 KiB
C
/*
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* livepatch_main.c - kernel live patch main infrastructure
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*
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* Copyright (c) 2014 SUSE
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* Author: Miroslav Benes <mbenes@suse.cz>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include <linux/livepatch.h>
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#include <linux/module.h>
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#include <linux/types.h>
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#include "uname_patch/livepatch_uname.h"
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/* Auto expanded KLP_PATCHES_INCLUDES: */
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#include "bsc1251787/livepatch_bsc1251787.h"
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#include "bsc1253437/livepatch_bsc1253437.h"
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static struct klp_object objs[] = {
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/* Auto expanded KLP_PATCHES_OBJS: */
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{
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.name = NULL,
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.funcs = (struct klp_func[]) {
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{
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.old_name = __stringify(KLP_SYSCALL_SYM(newuname)),
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.new_func = KLP_SYSCALL_SYM(klp_newuname),
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},
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#ifdef KLP_ARCH_HAS_SYSCALL_COMPAT_STUBS
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{
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.old_name = __stringify(KLP_SYSCALL_COMPAT_STUB_SYM(newuname)),
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.new_func = KLP_SYSCALL_COMPAT_STUB_SYM(klp_newuname),
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},
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#endif
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{ }
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}
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},
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{
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.name = "iscsi_target_mod",
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.funcs = (struct klp_func[]) {
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{ .old_name = __stringify(lio_target_nacl_info_show), .new_func = klpp_lio_target_nacl_info_show, },
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{ }
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}
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},
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{
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.name = "sctp",
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.funcs = (struct klp_func[]) {
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{ .old_name = __stringify(sctp_unpack_cookie), .new_func = klpp_sctp_unpack_cookie, },
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{ .old_name = __stringify(sctp_sf_authenticate), .new_func = klpp_sctp_sf_authenticate, },
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{ }
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}
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},
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{ }
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};
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static struct klp_patch patch = {
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.mod = THIS_MODULE,
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.objs = objs,
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.replace = true,
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};
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static int __init klp_patch_init(void)
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{
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int retval;
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pr_info("livepatch: initializing\n");
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/* Auto expanded KLP_PATCHES_INIT_CALLS: */
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retval = livepatch_bsc1251787_init();
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if (retval)
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goto err_bsc1251787;
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retval = livepatch_bsc1253437_init();
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if (retval)
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goto err_bsc1253437;
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retval = klp_enable_patch(&patch);
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if (!retval)
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return retval;
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/* Auto expanded KLP_PATCHES_INIT_ERR_HANDLERS: */
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livepatch_bsc1253437_cleanup();
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err_bsc1253437:
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livepatch_bsc1251787_cleanup();
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err_bsc1251787:
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return retval;
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}
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static void __exit klp_patch_cleanup(void)
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{
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pr_info("livepatch: removed\n");
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/* Auto expanded KLP_PATCHES_CLEANUP_CALLS: */
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livepatch_bsc1251787_cleanup();
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livepatch_bsc1253437_cleanup();
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}
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module_init(klp_patch_init);
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module_exit(klp_patch_cleanup);
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MODULE_LICENSE("GPL");
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MODULE_INFO(livepatch, "Y");
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MODULE_INFO(klpgitrev, "a9ea8fdb86281e9f3b0d5efc1cc5f96e38b562fd");
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