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bluetooth: h5: Handling the the zero length ack packet

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If H5_HDR_LEN is equal to zero, remaining will grow
negatively, the commit fixes the problem.

Signed-off-by: ZhongYao Luo <LuoZhongYao@gmail.com>
This commit is contained in:
ZhongYao Luo 2019-12-03 17:33:07 +08:00 • committed by Johan Hedberg
commit 994246f7c6
1 changed files with 3 additions and 0 deletions
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3
drivers/bluetooth/hci/h5.c
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@ -501,6 +501,9 @@ static void bt_uart_isr(struct device *unused)
h5.rx_state = END;
break;
}
if (!remaining) {
h5.rx_state = END;
}
break;
case PAYLOAD:
if (h5_unslip_byte(&byte) < 0) {