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Merge pull request #6611 from pauluap/compiler_warning_UARTSerial 

Uninitialized variable warning in UARTSerial at -O3
pull/6537/merge
Cruz Monrreal 2018-04-23 11:01:49 -05:00 committed by GitHub
parent a15c2f0b22 d6c5f16fd3
commit f372bcb69b
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1 changed files with 2 additions and 3 deletions
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5
drivers/UARTSerial.cpp
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@ -305,12 +305,11 @@ void UARTSerial::rx_irq(void)
void UARTSerial::tx_irq(void) void UARTSerial::tx_irq(void)
{ {
bool was_full = _txbuf.full(); bool was_full = _txbuf.full();
char data;
/* Write to the peripheral if there is something to write /* Write to the peripheral if there is something to write
* and if the peripheral is available to write. */ * and if the peripheral is available to write. */
while (!_txbuf.empty() && SerialBase::writeable()) { while (SerialBase::writeable() && _txbuf.pop(data)) {
char data;
_txbuf.pop(data);
SerialBase::_base_putc(data); SerialBase::_base_putc(data);
} }