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static inline void answer_preprocess(call_t *answer, ipc_data_t *olddata)
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static inline void answer_preprocess(call_t *answer, ipc_data_t *olddata)
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{
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{
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    int phoneid;
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    int phoneid;
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    if (IPC_GET_RETVAL(answer->data) == EHANGUP) {
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    if (IPC_GET_RETVAL(answer->data) == EHANGUP) {
- 
 
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        /* In case of forward, hangup the forwared phone,
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        /* Atomic operation */
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         * not the originator
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         */
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        spinlock_lock(&answer->data.phone->lock);
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        spinlock_lock(&TASK->answerbox.lock);
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        if (answer->data.phone->callee) {
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            list_remove(&answer->data.phone->list);
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        answer->data.phone->callee = NULL;
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            answer->data.phone->callee = 0;
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        }
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        spinlock_unlock(&TASK->answerbox.lock);
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        spinlock_unlock(&answer->data.phone->lock);
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    }
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    }
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    if (!olddata)
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    if (!olddata)
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        return;
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        return;
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