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audit: Make audit_filter_syscall() return void
No invoker uses the return value of audit_filter_syscall(). So make it return void, and amend the comment of audit_filter_syscall(). Signed-off-by: Yang Yang <yang.yang29@zte.com.cn> Reviewed-by: Richard Guy Briggs <rgb@redhat.com> [PM: removed the changelog from the description] Signed-off-by: Paul Moore <paul@paul-moore.com>
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@ -799,12 +799,12 @@ static int audit_in_mask(const struct audit_krule *rule, unsigned long val)
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return rule->mask[word] & bit;
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}
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/* At syscall entry and exit time, this filter is called if the
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* audit_state is not low enough that auditing cannot take place, but is
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* also not high enough that we already know we have to write an audit
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* record (i.e., the state is AUDIT_SETUP_CONTEXT or AUDIT_BUILD_CONTEXT).
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/* At syscall exit time, this filter is called if the audit_state is
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* not low enough that auditing cannot take place, but is also not
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* high enough that we already know we have to write an audit record
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* (i.e., the state is AUDIT_SETUP_CONTEXT or AUDIT_BUILD_CONTEXT).
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*/
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static enum audit_state audit_filter_syscall(struct task_struct *tsk,
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static void audit_filter_syscall(struct task_struct *tsk,
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struct audit_context *ctx,
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struct list_head *list)
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{
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@ -812,7 +812,7 @@ static enum audit_state audit_filter_syscall(struct task_struct *tsk,
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enum audit_state state;
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if (auditd_test_task(tsk))
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return AUDIT_DISABLED;
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return;
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rcu_read_lock();
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list_for_each_entry_rcu(e, list, list) {
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@ -821,11 +821,11 @@ static enum audit_state audit_filter_syscall(struct task_struct *tsk,
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&state, false)) {
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rcu_read_unlock();
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ctx->current_state = state;
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return state;
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return;
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}
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}
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rcu_read_unlock();
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return AUDIT_BUILD_CONTEXT;
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return;
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}
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/*
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