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Merge pull request #317 from jpoimboe/module-old-addr-fix

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kmod/core: module old_addr fix
This commit is contained in:
Seth Jennings 2014-07-18 10:44:25 -05:00
commit 1c8e8a7d57
1 changed files with 9 additions and 3 deletions
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12
kmod/core/core.c
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@ -720,9 +720,15 @@ static int kpatch_link_object(struct kpatch_module *kpmod,
old_addr);
if (ret)
goto err_unlink;
} else
old_addr = (unsigned long)mod->module_core +
func->old_offset;
} else {
old_addr = kpatch_find_module_symbol(mod, func->name);
if (!old_addr) {
pr_err("unable to find symbol '%s' in module '%s\n",
func->name, mod->name);
ret = -EINVAL;
goto err_unlink;
}
}
/* add to ftrace filter and register handler if needed */
ret = kpatch_ftrace_add_func(old_addr);