Mailbox: Check valid registered callback before calling
This patch checks if the mailbox user has assinged a valid callback fuction before calling it. Signed-off-by: Fernando Guzman Lugo <x0095840@ti.com> Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
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@ -146,7 +146,8 @@ static void mbox_rx_work(struct work_struct *work)
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msg = (mbox_msg_t)rq->special;
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msg = (mbox_msg_t)rq->special;
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blk_end_request_all(rq, 0);
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blk_end_request_all(rq, 0);
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mbox->rxq->callback((void *)msg);
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if (mbox->rxq->callback)
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mbox->rxq->callback((void *)msg);
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}
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}
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}
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}
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